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Testo - Multifunction Measuring Instruments
1. Committing to the future
2011
Multi-Function Measuring Instruments
°C
%RH
m/s
hPa
CO2
Lux
CO
aW
rpm
mA
V
2. Information Measurement Engineering For Multi-Function Measuring Instruments
Measurement and application ranges of flow probes
Probe selection
Measurement and application ranges of flow probes
The flow measurement range 0 to 100 m/s can be divided into three sections:
– Low-speed velocity 0 to 5 m/s
100
– Mid-speed velocity 5 to 40 m/s Thermal Vane measurement Vane/temperature Pitot Pitot
probe probes to +60 °C measurement tube to tube
– High-speed velocity 40 to 100 m/s. to +70 °C probes +600 °C NiCr-Ni
Thermal probes are used for accurate measurements in the range 0 to 5 m/s. Vane -40°C
60 +600 °C
probes are ideal for velocities from 5 to 40 m/s. The measuring range of the Pitot to to
tube depends on the differential pressure probe used. The new 100 Pa probe can +140 °C +350 °C
therefore be used for the exact measurement of flow speed from approx. 1 m/s to
12 m/s. The Pitot tube yields optimum results in the higher velocity range. An 40
additional criterion when selecting the right velocity probe is the temperature.
Thermal sensors can normally be used at up to approx. +70 °C. Special design
vane probes can be used to maximum +350 °C. Pitot tubes are used for
20
temperatures above +350 °C.
15
10
0
Supply/Returns Positioning in air current
The air vent greatly changes the relatively The vane probe is set exactly if the flow direction
uniform flow inside the duct. Areas of ar is parallel to the vane axis. If the measuring probe
higher flow velocity are created at the Lamin is turned slightly in the air current, the value
flow
free vent surfaces and areas of low in the e of the shown in the instrument changes. The measuring
flow velocity and swirl at the grids. centr t probe is positioned exactly in the air current if the
duc
The flow profile steadies at a value shown is at max.
distance from the the grid When measuring in a duct there should also be a
depending on the grid design but is minimum of ten diameters of straight run before
usually 20 cm. For best accuracy, a Max. values the measuring spot and four diameters of straight
large diameter vane is recommended. run after the spot for best results. By design,
Min. values
The area of the vane helps to get an vanes are less influenced by turbulence than thermal probes or Pitot tubes.
Mean values
average reading of the turbulent flow
from the grid.
Site selection
Direction of flow
D
Measurements at suction apertures using a volume flow funnel
10 x D 4xD
Even without the disturbing effects of a grid in an aperture, the lines of flow are not
directional and the flow profile is irregular. Because a partial vacuum in the duct You should measure in a straight part of the duct, if possible. The duct part should
draws air out of the room in a funnel shape even a short distance from the aperture, have a minimum of ten diameters of straight run before the measuring spot and
there is no defined area in the room over which a measurement could be made. four diameters of straight run after the measuring spot. The flow profile should not
Therefore, only the duct or funnel measurement yields reproducible results. be interrupted in any way by flaps, dips, angles etc.
Measuring funnels of various sizes are available for such applications.
These create defined flow conditions at a known distance from the grid with a fixed
volume. A velocity probe is positioned centrally and secured. The volume flow is
calculated from the velocity multiplied by the funnel factor (e.g. funnel factor 22). Flow measurement in ducts
As part of approval measurements, indirect measuring procedures (grid
measurements) are used to measure air flows.
The following procedures are suggested in VDI 2080/EN 12599:
– Trivial procedure for grid measurements in square cross-sections.
– Centroidal axis procedures for grid measurements in circular cross-sections
– Loglinear procedure for grid measurements in circular cross sections.
Measuring ambient air velocity using testo 400 in accordance with DIN 1946 Part 2, ANSI/Ashrae 55-1992
Ambient air velocity is a very important parameter in the thermal comfort of people Ambient air velocity
in rooms. testo 400 supplies the current and mean air velocities. The maximum Air temperature in °F
permissible mean air velocity depends on the air temperature measured by testo 68 70 72 74 76 78 80
1,7 140
Mean air velocity m/s
400 and the amount of turbulence calculated from the air velocity. The example
shows a permissible mean air velocity of 0.26 m/s with an air temperature 1,6 120
measured at 24.4 °C and an automatically calculated degree of turbulence of 10 %.
1,5 0% 100
0,4 80
Mean air velocity fpm
10%
0,3 60
20%
40%
0,2 40
60%
0,1 20
0 0
20,0 21,1 22,2 23,3 24,4 25,5 26,7
Air temperature in °C
2 Degree of turbulence T
3. Contents
Measuring instruments
Practical multi-function measuring instrument
testo 435-1/-2/-3/-4 All-rounder for ventilation and indoor air quality Page 4
Measurement systems
testo 445 Service instrument for ventilation/air conditioning systems Page 8
testo 400 The reference measuring instrument for A/C and ventilation systems Page 13
Accessories
Software and Accessories Page
ComSoft 3 - Professional Professional Software including Data Filing 24
Printer Page
Testo fast printer Versatile infrared printer for testo 435, 445, 400 26
Ethernet adapter Page
Ethernet adapter Access Ethernet with Testo measuring instruments 27
3
4. testo 435 All-round talent for ventilation and Indoor Air Quality
All measurement parameters for Common product advantages testo 435
air conditioning
Wide selection of probes (optional):
The testo 435 provides the
- IAQ probe for evaluating the indoor air quality via
possibility of analysing the indoor
CO2, air temperature, indoor air humidity and
air. On the one hand, this serves absolute pressure
as an indicator for the well-being
- Thermal probe with integrated temperature and air
of people at their workplaces, and
humidity measurement
on the other hand as an important
and deciding factor in storage - Vane and hot wire probes
and production processes. - Radio probes for temperature
Easy operation with user profiles
In addition to this, the Indoor Air
Quality signals whether the air Printout on the testo fast printer (optional)
conditioning system (HVAC) is
working with as much energy
economy as possible, or whether
it needs to be adjusted with the
help of testo 435.
Further product advantages of the variants
The parameters CO2 , relative
humidity and room temperature Integrated differential pressure measurement (435-
are available for evaluating the 3/-4, not retrofittable)
quality of the air. Absolute - for flow measurement
pressure, draught, Lux, U-value
- for monitoring filters
and surface temperature can
additionally be determined. In Extended instrument function (435-2/-4, not
retrofittable)
order to determine the volume
flow, all the possibilities of flow - Instrument store for 10,000 readings
velocity measurement are - PC software for analysing, archiving and
available, such as thermal probes, documenting measurement data
vane anemometers and Pitot - Humidity probes with radio or wire (optional)
tubes. - Lux probe connection possible
- Comfort level probe connection possible
- Possibility of connecting U-value probe
Versatility with wireless probes
In addition to classical probes on
wires, a wireless measurement up
to a distance of 20 m (without
obstruction) is possible. Damage
to the wire or hindrances in usage
are thus eliminated. A maximum
of three wireless probes can be
recorded and displayed with testo
435. The wireless probes are for
the measurement parameters
temperature and, depending on
the instrument type, humidity. The
optional, easily plugged-in radio
module can be retrofitted at any
time.
testo 435-1 testo 435-2 testo 435-3 testo 435-4
testo 435-1, multi-functional meas. testo 435-2, multi-functional testo 435-3, multi-functional testo 435-4, multi-functional meas.
instr., for A/C, ventilation and Indoor measuring instrument for A/C, measuring instrument with built-in instr. with built-in differential
Air Quality, with battery and ventilation and Indoor Air Quality differential pressure measurement pressure measurement for A/C,
calibration protocol with readings memory, PC software for air conditioning, ventilation and ventilation and Indoor Air Quality
and USB data transmission cable, Indoor Air Quality, with battery and with readings memory, PC software
incl. battery and calibration protocol calibration protocol and USB data transmission cable,
with battery and calibration protocol
Part no. Part no. Part no. Part no.
0560 4351 0563 4352 0560 4353 0563 4354
4 Additional information at www.testo.com
5. 435-1/-2/-3/-4 Probes
435-1/-2/-3/-4
IAQ probes Illustration Meas. range Accuracy Part no.
IAQ probe to assess Indoor Air Quality, CO2, 0 to +50 °C ±0.3 °C 0632 1535
0 to +100 %RH ±2 %RH (+2 to +98 %RH)
humidity, temperature and absolute pressure 0 to +10000 ppm CO2 ±(50 ppm CO2 ±2% of mv) (0 to +5000 ppm CO2)
measurement, with desk-top stand ±(100 ppm CO2 ±3% of mv) (+5001 to +10000 ppm CO2)
+600 to +1150 hPa ±3 hPa
Ambient CO probe, for detecting CO in buildings 0 to +500 ppm CO ±5% of mv (+100.1 to +500 ppm CO) 0632 1235
and rooms ±5 ppm CO (0 to +100 ppm CO)
Flow velocity probes Illustration Meas. range Accuracy Part no.
Thermal velocity probe with built-in temperature -20 to +70 °C ±0.3 °C 0635 1535
and humidity measurement, Ø 12 mm, with 0 to +100 %RH ±2 %RH (+2 to +98 %RH)
0 to +20 m/s ±(0.03 m/s +4% of mv)
telescopic handle (max. 745 mm)
Vane meas. probe, 16 mm diameter, with +0.6 to +40 m/s ±(0.2 m/s +1.5% of mv) 0635 9535
telescopic handle max. 890 mm, e.g. for meas. in Oper. temp. 0 to +60 °C
ducts, can be used from 0 to +60 °C
Vane meas. probe, 60 mm diameter, with +0.25 to +20 m/s ±(0.1 m/s +1.5% of mv) 0635 9335
telescopic handle max. 910 mm, e.g. for meas. at Oper. temp. 0 to +60 °C
duct exit, can be used from 0 to +60 °C
Hot wire probe for m/s and °C, Ø probe head 7.5 0 to +20 m/s ±(0.03 m/s +5% of mv) 0635 1025
mm, with telescopic handle (max. 820 mm) -20 to +70 °C ±0.3 °C (-20 to +70 °C)
Funnel measurement Illustration Meas. range Accuracy Part no.
Vane meas. probe, 100 mm diameter, for +0.3 to +20 m/s ±(0.1 m/s +1.5% of mv) 0635 9435
measurements with funnel set 0563 4170 0 to +50 °C ±0.5 °C
Funnel set consisting of funnel for disc outlets (Ø 200) and funnel 0563 4170
for ventilator (330 x 330 mm) for in- and outgoing air
Absolute pressure probes Illustration Meas. range Accuracy Part no.
Absolute pressure probe 2000 hPa 0 to +2000 hPa ±5 hPa 0638 1835
Air probes Illustration Meas. range Accuracy t99 Part no.
Efficient, robust NTC air probe 115 mm 50 mm -50 to +125 °C ±0.2 °C (-25 to +80 °C) 60 s 0613 1712
±0.4 °C (remaining range)
Ø 5 mm Ø 4 mm
Conn.: Fixed cable 1.2 m
Surface probes Illustration Meas. range Accuracy t99 Part no.
Fast-reaction paddle surface probe, for measurements 145 mm 40 mm 0 to +300 °C Class 2 5s
in inaccessible places, e.g. narrow apertures and slots, 0602 0193
TC Type K Ø 8 mm
Conn.: Fixed cable
Fast-action surface probe with sprung thermocouple 115 mm -60 to +300 °C Class 2* 3s 0602 0393
strip, also for uneven surfaces, measurement range
Ø 5 mm
short-term to +500°C, TC Type K
Conn.: Fixed cable Ø 12 mm
Pipe wrap probe for pipe diameter 5 to 65 mm, -60 to +130 °C Class 2* 5s 0602 4592
with exchangeable measuring head. Meas. range
short-term to +280°C, TC Type K Conn.: Fixed cable
Clamp probe for measurements on pipes, pipe -50 to +100 °C Class 2* 5s 0602 4692
diameter 15 to 25 mm (max. 1"), meas. range
short-term up to +130°C, TC Type K Conn.: Fixed cable
Immers./penetr. probes Illustration Meas. range Accuracy t99 Part no.
Waterproof immersion/penetration probe, TC Type K 114 mm 50 mm -60 to +400 °C Class 2* 7s 0602 1293
Ø 5 mm Ø 3.7 mm
Conn.: Fixed cable 1.2 m
435-2/-4
IAQ probes Illustration Meas. range Accuracy Part no.
Comfort level probe for degree of turbulence 0 to +50 °C ±0.3 °C 0628 0109
0 to +5 m/s ±(0.03 m/s +4% of mv)
measurement with telescopic handle (max. 820
mm) and stand, meets EN 13779 requirements max. 820 mm
Lux probe, for measuring light intensity Accuracy to DIN 5032, Part 6: 0635 0545
f1 = 6% = V(Lambda) adjustment
f2 = 5% = cos-like weighting, Class C
Humidity probes Illustration Meas. range Accuracy Part no.
Humidity/temperature probe -20 to +70 °C ±0.3 °C 0636 9735
0 to +100 %RH ±2 %RH (+2 to +98 %RH)
Ø 12 mm
Surface probes Illustration Meas. range Accuracy Part no.
Temperature probe to determine U-value, triple -20 to +70 °C Class 1 0614 1635
sensor system for measuring wall temperature, U-value: ±0.1 ±2% of fsv**
modelling clay included An additional probe for measuring outer temperatures is required when determining the U-value
e.g. 0613 1712 or 0613 1001 or 0613 1002.
* According to standard EN 60584-2, the accuracy of Class 2 refers to -40 to +1200 °C.
** when used with an NTC or wireless humidity probe for measuring outside temperature and 20 K difference between the air inside and outside
Additional information at www.testo.com 5
6. 435-1/-2/-3/-4 Accessories / Technical data
435-3/-4
Prandtl's Pitot tubes Illustration Oper. temp. Part no.
Pitot tube, 350 mm long, stainless steel, for 0 to +600 °C 0635 2145
measuring flow velocity 350 mm Ø 7 mm
Pitot tube, 500 mm long, stainless steel, for 0 to +600 °C 0635 2045
measuring flow velocity 500 mm Ø 7 mm
Pitot tube, 1000 mm long, stainless steel, for 0 to +600 °C 0635 2345
measuring flow velocity 1000 mm Ø 7 mm
Technical data
Probe type NTC Type K Type T Testo humid. sensor, Vane Hot wire Absolute CO2 (IAQ probe)
cap. pressure probe
Meas. range -50 to +150 °C -200 to +1370 °C -200 to +400 °C 0 to +100 %RH 0 to +60 m/s 0 to+20 m/s 0 to +2000 hPa 0 to +10000 ppm CO2
Accuracy ±0.2 °C (-25 to +74.9 °C) ±0.3 °C (-60 to +60 ±0.3 °C (-60 to +60 See probe data See probe data See probe See probe data See probe data
±0.4 °C (-50 to -25.1 °C) °C) °C) data
±1 digit ±(0.2 °C +0.3% of ±(0.2 °C +0.3% of mv)
±0.4 °C (+75 to +99.9 °C)
mv) (remaining range) (remaining range)
±0.5% of mv (remaining range)
Resolution 0.1 °C 0.1 °C 0.1 °C 0.1 %RH 0.01 m/s (60 vane) 0.01 m/s 0.1 hPa 1 ppm CO2
0.1 m/s (16 vane)
Technical data 435-2/-4 Technical data 435-3/-4 Oper. temp. -20 to +50 °C
Probe type Lux Probe type Differential pressure Storage temp. -30 to +70 °C
probe, internal Dimensions 220 x 74 x 46 mm
Meas. range 0 to +100000 Lux Meas. range 0 to +25 hPa Battery type Alkali manganese,
Accuracy See probe data Accuracy ±0.02 hPa (0 to +2 hPa) mignon, Type AA
±1 digit ±1 digit 1% of mv (remaining range) Battery life 200 h (typical vane
measurement)
Weight 450 g
Resolution 1 Lux / 0.1 Hz
Overload 200 hPa Material/Housing ABS/TPE/Metal
Resolution 0.01 hPa Warranty 2 years
Accessories Part no. Accessories Part no.
Transport and Protection Printer and Accessories
Service case for basic equipment of measuring instrument and probes, 0516 0035 Testo fast printer with wireless infrared interface, 1 roll thermal paper and 4 0554 0549
dimensions: 400 x 310 x 96 mm AA batteries, for printing out measurements on site
Service case for measuring instrument, probe and accessories, dimensions 0516 0435 Spare thermal paper for printer (6 rolls), measurement data documentation 0554 0568
520 x 380 x 120 mm legible for up to 10 years
Additional Accessories and Spare Parts Spare thermal paper for printer (6 rolls) 0554 0569
Handle for attachable humidity probe head for connection to testo 635, incl. 0430 9735
probe wire, for measurement / calibration of humidity probe head External fast charger for 1-4 AA rech. batteries, incl. 4 Ni-MH rech. batteries 0554 0610
Lithium battery button cellCR2032 mignon type batteries for radio handle 0515 0028 with individual cell charging and charge control display, incl. impulse trickle
charging, integrated discharge function, with built-in international mains
plug, 100-240 V, 300 mA, 50/60 Hz
Plug-in mains adapter, 5 VDC 500 mA with European adapter, 100-250 VAC, 0554 0447
50-60 Hz Calibration Certificates
testovent 410, volume flow funnel, Ø 340 mm/330x330 mm, incl. case 0554 0410 ISO calibration certificate/temperature, meas. instr. with surface probe; 0520 0071
calibration points +60°C; +120°C; +180°C
testovent 415, volume flow funnel, Ø 210 mm/210x210 mm, incl. case 0554 0415 ISO calibration certificate humidity, Calibration points 11.3 %RH and 75.3 0520 0006
%RH at +25°C
Funnel set consisting of funnel for disc outlets (Ø 200) and funnel for 0563 4170 ISO calibration certificate/pressure 0520 0005
ventilator (330 x 330 mm) for in- and outgoing air differential pressure; 5 points distributed over meas. range
Connection hose, silicone, 5m long, max. load 700 hPa (mbar) 0554 0440 ISO calibration certificate velocity, hot wire, vane anemometer; calibration 0520 0024
points 0.5; 0.8; 1; 1.5 m/s
testo saline pots for control and humidity adjustment of humidity probes, 0554 0660 ISO calibration certificate velocity, hot wire, vane anemometer, Pitot tube; 0520 0004
11.3 %RH and 75.3 %RH with adapter for humidity probe, quick checks or calibration points 1; 2; 5; 10 m/s
calibration of humidity probe
Sintered PTFE filter, Ø 12 mm, for corrosive media, High humidity range 0554 0756 ISO calibration certificate/Velocity, hot wire, vane anemometer, Pitot tube; 0520 0034
(long-term measurements), high flow velocities. calibration points 5; 10; 15; 20 m/s
Stainless steel sintered cap, Ø 12 mm, is screwed onto humidity probe, for 0554 0647 ISO calibration certificate/light, Calibration points 0;500;1000;2000;4000 0520 0010
measurements at higher flow velocities or in contaminated air Lux
Adhesive material for fixing and sealing 0554 0761 ISO calibration certificate/CO2, CO2 probes; calibration points 0; 1000; 5000 0520 0033
ppm
6 Additional information at www.testo.com
7. 435-1/-2/-3/-4 Ordering data Option: Radio
435-1/-2/-3/-4
Radio module for upgrading measuring instrument with radio option
Country versions Radio freq. Part no.
Radio module for measuring instrument, 869.85 MHz, approval for the countries: DE, FR, UK, BE, NL, ES, IT, SE, 869.85 MHz FSK 0554 0188
AT, DK, FI, HU, CZ, PL, GR, CH, PT, SI, MT, CY, SK, LU, EE, LT, IE, LV, NO
Radio module for measuring instrument, 915.00 MHz FSK, approval for USA, CA, CL 915.00 MHz FSK 0554 0190
Assembled for you: Radio handles with probe head
Radio handles with probe head for surface measurement Meas. range Accuracy Resolution t99
120 mm
-50 to +350 °C Radio handle: 0.1 °C (-50 to +199.9 °C) 5s
40
Radio handle for attachable probe heads with mm Short-term to +500 °C ±(0.5 °C +0.3% of mv) (-40 to +500 °C) 1.0 °C (remaining range)
T/C probe head for surface measurement ±(0.7 °C +0.5% of mv) (remaining range)
Ø 5 mm Ø 12 T/C probe head: Class 2
mm
Country versions Radio freq. Part no.
Radio handle for plug-in probe heads, incl. T/C adapter, approval for the countries: DE, FR, UK, BE, NL, ES, IT, SE, AT, DK, FI, 869.85 MHz FSK 0554 0189
HU, CZ, PL, GR, CH, PT, SI, MT, CY, SK, LU, EE, LT, IE, LV, NO
T/C probe head for surface measurement, attachable to radio handle, T/C Type K 0602 0394
Radio handle for plug-in probe heads, incl. T/C adapter, approval for USA, CA, CL 915.00 MHz FSK 0554 0191
T/C probe head for surface measurement, attachable to radio handle, T/C Type K 0602 0394
435-2/-4
Radio probes incl. humidity probe head Meas. range Accuracy Resolution
0 to +100 %RH ±2 %RH (+2 to +98 %RH) 0.1 %RH
Radio handle for attachable probe heads with -20 to +70 °C ±0.3 °C 0.1 °C
humidity probe head
Country versions Radio freq. Part no.
Radio handle for plug-in probe heads, incl. T/C adapter, approval for the countries: DE, FR, UK, BE, NL, ES, IT, SE, AT, DK, FI, HU, CZ, PL, GR, CH, 869.85 MHz FSK 0554 0189
PT, SI, MT, CY, SK, LU, EE, LT, IE, LV, NO
Humidity probe head, attachable to radio handle 0636 9736
Radio handle for plug-in probe heads, incl. T/C adapter, approval for USA, CA, CL 915.00 MHz FSK 0554 0191
Humidity probe head, attachable to radio handle 0636 9736
Radio probes: General technical data
Radio handle Measuring rate 0.5 s or 10 s, adjustable Radio transmission Unidirectional
Battery type 2 AAA micro batteries on handle
Battery life 215 h (meas. rate 0.5 s) Oper. temp. -20 to +50 °C
6 months (meas. rate 10 s) Radio coverage Up to 20 m (without Storage temp. -40 to +70 °C
obstructions) Protection class IP54
Additional information at www.testo.com 7
8. testo 445 Service instrument for ventilation/air conditioning systems
The testo 445 VAC instrument Automatic mean calculation and
measures temperature, relative volume flow measurement
humidity, dew point, absolute Automatic allocation of duct cross-
humidity, degree of humidity, section to location (max. 99 locations)
enthalpy, all types of air velocity (in Internal data logger (3,000 readings)
ducts, duct openings or Simultaneous measurement of up to
extractors), volume flow, pressure 6 parameters
and indoor air quality. Simultaneous meas. of 6
parameters
Data can be saved according to
location and then analysed on PC Mains conn. and battery
or printed on the Testo fast printer recharging in instr.
on site.
Prints at touch of button Displays 2 parameters
Saves up to 3000 readings
Easy operation with
testo 445, VAC measuring cursor
Selects up to 99 sites
instrument, incl. TopSafe, battery
and calibration protocol
Part no.
0563 4450
8 Additional information at www.testo.com
9. Measurement systems
testo 445 Practical accessories and technical data
Accessories Part no. Technical data
Transport and Protection Probe type Type K (NiCr-Ni) Type J (Fe-CuNi) NTC
Transport case (plastic) for measuring instrument, probes and accessories 0516 0445
Larger version, for safe and clear storage Meas. range -200 to +1370 °C -200 to +1000 °C -50 to +150 °C
System case (plastic) for measuring instrument, probes and accessories, probes in lid 0516 0400 Accuracy ±0.5% of mv (-200 to 60 °C) ±0.5% of mv (-200 to 60 °C) ±0.5% of mv (+100 to +150
make it easy to find parts in case (540 x 440 x 130 mm) ±0.5% of mv (+60 to +1370 ±0.5% of mv (+60 to +1000 °C)
±1 digit °C)
°C) ±0.2 °C (-25 to +74.9 °C)
System case (aluminium) for measuring instrument, probes and accessories 0516 0410 ±0.3 °C (-60 to +60 °C) ±0.3 °C (-60 to +60 °C) ±0.4 °C (-50 to -25.1 °C)
probes in lid make it easy to find parts in case ±0.4 °C (+75 to +99.9 °C)
Additional Accessories and Spare Parts
9V rech. battery for instrument 0515 0025
instead of battery Resolution 0.1 °C (-200 to +1370 °C) 0.1 °C (-200 to +1000 °C) 0.1 °C (-50 to +150 °C)
Desk-top power supply with international connection options 0554 1143
Cable, 1.5 m long, connects probe with plug-in head to meas. instrument, 0430 0143
PUR coating material Probe type Testo humid. sensor, cap. Vane Thermal
Cable, 5 m long, connects probe with plug-in head to measuring instrument 0430 0145
PUR coating material Meas. range 0 to +100 %RH 0 to +60 m/s 0 to +20 m/s
Extension cable, 5 m long, between plug-in head cable and instrument 0409 0063 Accuracy See probe data See probe data See probe data
PUR coating material ±1 digit
Printer and Accessories
Testo fast printer with wireless infrared interface, 1 roll thermal paper and 4 0554 0549
AA batteries
Fast testo 575 printer, incl. 1 roll of thermal paper and batteries 0554 1775 Resolution 0.1 %RH (0 to +100 0.01 m/s (0 to +60 m/s) 0.01 m/s (0 to +10 m/s)
infrared thermal line printer with graphics function %RH) 0.1 m/s (+10.1 to +20
m/s)
External fast charger for 1-4 AA rech. batteries, incl. 4 Ni-MH rech. batteries 0554 0610
with individual cell charging and charge control display, incl. impulse trickle
charging, integrated discharge function, with built-in international mains
Probe type Pressure CO2 probe
plug, 100-240 V, 300 mA, 50/60 Hz
Spare thermal paper for printer (6 rolls) 0554 0569 Meas. range See pressure probes 0 to +1 Vol. % CO2 0 to +10000 ppm CO2
Accuracy ±0.1% of mv See probe data ±(100 ppm CO2 ±3% of mv)
Spare thermal paper for printer (6 rolls) 0554 0568 (+5000 to +10000 ppm CO2)
±1 digit
measurement data documentation legible for up to 10 years ±(500 ppm CO2 ±2% of mv)
(0 to +5000 ppm CO2)
Label thermal paper (Testo patent) for testo 575 printer (6 rolls), can be 0554 0561
applied directly
Software and Accessories Resolution 0.001 hPa (Sonde 0638 0 Vol. % CO2(0 to +1 1 ppm CO2 (0 to +10000
ComSoft 3 - Professional with data management 0554 0830 1345) Vol. % CO2) ppm CO2)
incl. database, analysis and graphics function, data analysis, trend curve 0.001 hPa (Sonde 0638
1445)
RS232 cable 0409 0178 0.01 hPa (Sonde 0638 1545)
connects instrument to PC (1.8 m) for data transfer 1 hPa (Sonde 0638 1645)
Ethernet adapter, RS232 - Ethernet incl. software driver, mains unit 0554 1711
facilitates data communication in network Probe type CO probe
Calibration Certificates
ISO calibration certificate velocity ,hot wire, vane anemometer, Pitot 0520 0004 Meas. range 0 to +500 ppm CO
tube; calibration points 1; 2; 5; 10 m/s Accuracy ±5% of mv (+100 to
ISO calibration certificate/Velocity 0520 0034 ±1 digit +500 ppm CO)
hot wire, vane anemometer, Pitot tube; calibration points 5; 10; 15; 20 m/s ±5 ppm CO (0 to +100
ppm CO)
DAkkS calibration certificate/velocity* 0520 0244
hot wire, vane anemometer; calibration points 0.5; 1; 2; 5; 10 m/s
DAkkS calibration certificate/velocity* 0520 0204 Resolution 1 ppm CO (0 to +500
hot wire, vane anemometer, Pitot tube; calibration points 2; 5; 10; 15; 20 m/s ppm CO)
*Successor organization of the DKD
Oper. temp. 0 to +50 °C Battery life: 6-45 h (depending on probe)
Storage temp. -20 to +70 °C Mains conn. and batt. rech. in instr.
Calculated humidity parameters: td, g/m3, g/kg
Display LCD, 4 lines
pressure-compensated, J/g
Battery type 9V block battery Calculated volume flow: m3/h (e.g. 0 to 99999
Battery life 45 h m3/h), m3/min, m3/s, I/s, cfm
PC RS232 interface Calculated velocity values (density-compensated): 0
to 100 m/s; 0 to 99999 m3/h
Weight 255 g
Humidity measurement: Measuring range -50 to
Material/Housing ABS 180°C; See Probes for accuracy
Warranty 2 years Accuracy of Type K, J: Additional error via operation
Memory 3000 temperature 0.2 °C (adjustment point)
Dimensions 215 x 68 x 47 mm
Additional information at www.testo.com 9
10. testo 445 Suitable probes at a glance
Probes Illustration Probe type Meas. range Accuracy Part no.
Vane probe, Ø 12 mm, can be attached to handle Vane +0.6 to +20 m/s ±(0.2 m/s ±1% of mv) 0635 9443
0430 3545 or telescopic handle 0430 0941 Oper. temp. (+0.6 to +20 m/s)
180 mm -30 to +140 °C
Ø 12 mm
Vane/temperature probe, Ø 16 mm, attachable to Vane +0.4 to +60 m/s ±(0.2 m/s +1% of mv) 0635 9540
0430 3545 handle or 0430 0941 telescopic Type K (NiCr-Ni) -30 to +140 °C (+0.4 to +40 m/s)
180 mm ±(0.2 m/s +2% of mv)
handle Ø 16 mm (+40.1 to +50 m/s)
Vane/temperature probe, Ø 25 mm, can be Vane +0.4 to +40 m/s ±(0.2 m/s ±1% of mv) 0635 9640
attached to 0430 3545 handle or 0430 0941 Type K (NiCr-Ni) -30 to +140 °C (+0.4 to +40 m/s)
telescopic handle 180 mm
Ø 25 mm
Bendable vane probe (can be bent by 90°), Ø 60 Vane +0.25 to +20 m/s ±(0.1 m/s ±1.5% of mv) 0635 9440
mm, attachable to handle 0430 3545 or telescopic Oper. temp. (+0.25 to +20 m/s)
Ø 60 mm 0 to +60 °C
handle 0430 0941, for meas. on ventilation outlets
Bendable vane probe (can be bent by 90°), Ø 100 mm, Vane +0.1 to +15 m/s ±(0.1 m/s ±1.5% of mv) 0635 9340
attachable to handle 0430 3545 or telescopic handle Oper. temp. (+0.1 to +15 m/s)
Ø 100 mm 0 to +60 °C
0430 0941, for measurements on ventilation outlets
Affordable, robust hot bulb probe, Ø 3 mm, for 150 mm
Hot bulb 0 to +10 m/s ±(0.03 m/s ±5% of mv) 0635 1549
measurements in the lower velocity range, with NTC -20 to +70 °C (0 to +10 m/s)
handle Ø 4 mm Ø 3 mm
Robust hot bulb probe, Ø 3 mm, with handle and Hot bulb 0 to +10 m/s ±(0.03 m/s ±5% of mv) 0635 1049
telescopic handle for measurements in the lower NTC -20 to +70 °C (0 to +10 m/s)
velocity range 850 mm Ø 3 mm
Quick-action hot wire probe, Ø 10 mm, with Hot wire 0 to +20 m/s ±(0.03 m/s ±4% of mv) 0635 1041
telescopic handle, for measurements in the lower NTC -20 to +70 °C (0 to +20 m/s)
velocity range with direction recognition 760 mm Ø 10 mm
Vane probe, Ø 16 mm, with telescopic handle, Vane +0.6 to +40 m/s ±(0.2 m/s ±1.5% of mv) 0628 0005
Tmax +60°C (+0.6 to +40 m/s)
700 mm Ø 16 mm
Vane probe, Ø 60 mm, with telescopic handle, for Vane +0.25 to +20 m/s ±(0.1 m/s ±1.5% of mv) 0635 9449
integrating velocity measurement (+0.25 to +20 m/s)
Ø 60 mm
1100 mm
High temperature vane probe, Ø 25 mm, with Vane +0.6 to +20 m/s ±(0.3 m/s ±1% of fsv) 0635 6045
handle for continuous measurements up to Type K (NiCr-Ni) -40 to +350 °C (+0.6 to +20 m/s)
+350°C 560 mm Ø 25 mm
Precision pressure probe, 100 Pa, measures Differential pressure 0 to +100 Pa ±(0.3 Pa ±0.5% of mv) 0638 1345
differential pressure and velocities (in probe (0 to +100 Pa)
combination with Pitot tube)
Pressure probe, 10 hPa, measures differential Differential pressure 0 to +10 hPa ±0.03 hPa (0 to +10 hPa) 0638 1445
pressure and velocities (in combination with Pitot probe
tube)
10 Additional information at www.testo.com
11. Measurement systems
testo 445 Suitable probes at a glance
Probes Illustration Probe type Meas. range Accuracy Part no.
Pressure probe, 100 hPa, measures differential Differential pressure 0 to +100 hPa ±0.5% of mv (+20 to 0638 1545
pressure and velocities (in combination with Pitot probe +100 hPa)
±0.1 hPa (0 to +20 hPa)
tube)
Pressure probe, 2000 hPa, measures absolute Absolute pressure 0 to +2000 hPa ±5 hPa (0 to +2000 hPa) 0638 1645
pressure probe
Pitot tube, 500 mm long, stainless steel, for Oper. temp. 0635 2045
measuring flow velocity Ø 7 mm 0 to +600 °C
500 mm
Pitot tube, 350 mm long, stainless steel, for Oper. temp. 0635 2145
measuring flow velocity Ø 7 mm 0 to +600 °C
350 mm
Pitot tube, 300 mm long, stainless steel, for Oper. temp. 0635 2245
measuring flow velocity Ø 4 mm 0 to +600 °C
300 mm
Pitot tube, 1000 mm long, stainless steel, for Oper. temp. 0635 2345
measuring flow velocity Ø 7 mm 0 to +600 °C
1000 mm
3-function probe for simultaneous measurement of Hot bulb 0 to +10 m/s ±(0.03 m/s ±5% of mv)(0 to
10 m/s)
0635 1540
temperature, humidity and velocity. With plug-in head, Testo humid. sensor, 0 to +100 %RH
cap. -20 to +70 °C ±2 %RH (+2 to +98 %RH)
0430 0143 connection cable required NTC ±0.4 °C (0 to +50 °C)
270 mm Ø 21 mm
±0.5 °C (remaining range)
Comfort level probe for measuring degree of turbulence, Hot wire 0 to +5 m/s ±(0.03 m/s ±4% of mv) 0628 0009
with telescopic handle and stand. Fulfills EN 13779 NTC 0 to +50 °C (0 to +5 m/s)
Ø 90 mm ±0.3 °C (0 to +50 °C)
requirements
CO2 probe measures indoor air quality and monitors the CO2 probe 0 ... +1 Vol. % CO2 ±(50 ppm CO2 ±2% of mv)(0 to
+5000 ppm CO2) 0632 1240
workplace. With plug-in head, connection cable 0430 0 ... +10000 ppm ±(100 ppm CO2 ±3% of
CO2 mv)(+5001 to +10000 ppm
0143 or 0430 0145 required
CO2)
Ambient CO probe, for detecting CO in buildings 0 to +500 ppm CO ±5% of mv (+100.1 to 0632 3331
and rooms +500 ppm CO)
±5 ppm CO (0 to +100
ppm CO)
More probes Illustration Meas. range Accuracy t90 Part no.
Standard ambient air probe up to +70°C 0 to +100 %RH ±2 %RH (+2 to +98 ±0.4 °C (-10 to +50 °C) 12 s 0636 9740
Ø 12 mm -20 to +70 °C %RH) ±0.5 °C (remaining range)
Plug-in head. connection cable 0430 0143 or 0430 0145 required
Duct humidity/temperature probe 180 mm
0 to +100 %RH ±2 %RH (+2 to +98 ±0.4 °C (-10 to +50 °C) 12 s 0636 9715
-20 to +70 °C %RH) ±0.5 °C (remaining range)
Ø 12 mm
Fixed cable; Cable/length 3 m
Thin humidity probe incl. 4 attachable protection caps for 250 mm
0 to +100 %RH ±2 %RH (+2 to +98 ±0.4 °C (-10 to +50 °C) 15 s 0636 2130
ambient air measurements, measurements in exhaust air -20 to +70 °C %RH) ±0.5 °C (-20 to -10.1 °C)
Ø 4 mm
ducts and equilibrium moisture measurements ±0.5 °C (+50.1 to +70 °C)
Plug-in head. connection cable 0430 0143 or 0430 0145 required
Highly accurate reference humidity/temp. probe Ø 21 mm
0 to +100 %RH ±1 %RH (+10 to +90 ±0.2 °C (+10 to +40 °C) 12 s 0636 9741
-20 to +70 °C %RH)* ±0.4 °C (remaining range)
±2 %RH (remaining
Plug-in head. connection cable 0430 0143 or 0430 0145 required range)
* in the temperature range from +15°C to +30°C
Flexible humidity probe with mini module for 0 to +100 %RH ±2 %RH (+2 to +98 ±0.4 °C (-10 to +50 °C) 20 s 0628 0013
meas. e.g. on material testing rigs, module cable -20 to +125 °C %RH) ±0.5 °C (remaining range)
length 1500mm, probe tip 50x19x7mm Plug-in head. connection cable 0430 0143 or 0430 0145 required
Sword probe for measuring humidity and 320 mm
0 to +100 %RH ±2 %RH (+2 to +98 ±0.4 °C (-10 to +50 °C) 12 s 0636 0340
temperature in stacked material -20 to +70 °C %RH) ±0.5 °C (-20 to -10.1 °C)
18 mm x 5 mm ±0.5 °C (+50.1 to +70 °C)
Plug-in head. connection cable 0430 0143 or 0430 0145 required
High humidity level probe w/ heated sensor 300 mm
0 to +100 %RH ±2.5 %RH (0 to ±0.4 °C (-10 to +50 °C) 30 s 0636 2142
element, no humidity on sensor -20 to +85 °C +100 %RH) ±0.5 °C (-20 to -10.1 °C)
Ø 12 mm
±0.5 °C (+50.1 to +100 °C)
Plug-in head. connection cable 0430 0143 or 0430 0145 required
Robust humidity probe e.g. for measuring 300 mm
0 to +100 %RH ±2 %RH (+2 to +98 ±0.4 °C (-10 to +50 °C) 30 s 0636 2140
equilibrium moisture or for measurements in -20 to +120 °C %RH) ±0.5 °C (remaining range)
Ø 12 mm
exhaust ducts to +120°C Plug-in head. connection cable 0430 0143 or 0430 0145 required
Robust high temperature/humidity probe up to 300 mm
0 to +100 %RH ±2 %RH (+2 to +98 ±0.4 °C (+0.1 to +50 °C) 30 s 0628 0021
+180°C -20 to +180 °C %RH) ±0.5 °C (remaining range)
Ø 12 mm
Plug-in head. connection cable 0430 0143 or 0430 0145 required
Flexible humidity probe (does not retain shape) 1500 mm 100 mm 0 to +100 %RH ±2 %RH (+2 to +98 ±0.4 °C (+0.1 to +50 °C) 30 s 0628 0022
for measurements in inaccessible places -20 to +180 °C %RH) ±0.5 °C (-20 to 0 °C)
Ø 12 mm
±0.5 °C (+50.1 to +180 °C)
Plug-in head. connection cable 0430 0143 or 0430 0145 required
Standard pressure dew point probe for 300 mm ±0.9 °C tpd (+0.1 to +50 °C tpd)
0 to +100 %RH 300 0636 9840
-30 to +50 °C tpd ±1 °C tpd (-4.9 to 0 °C tpd) s
measurements in compressed air systems ±2 °C tpd (-9.9 to -5 °C tpd)
±3 °C tpd (-19.9 to -10 °C tpd)
Plug-in head. connection cable 0430 0143 or 0430 0145 required ±4 °C tpd (-30 to -20 °C tpd)
Precision pressure dew point probe for 300 mm 0 to +100 %RH ±0.8 °C tpd (-4.9 to +50 °C tpd) 300 0636 9841
-60 to +50 °C tpd ±1 °C tpd (-9.9 to -5 °C tpd) s
measurements in compressed air systems incl. ±2 °C tpd (-19.9 to -10 °C tpd)
cert. with test point -40°C tpd ±3 °C tpd (-29.9 to -20 °C tpd)
±4 °C tpd (-40 to -30 °C tpd)
Additional information at www.testo.com 11
12. testo 445 Suitable probes at a glance
Probes Illustration Meas. range Accuracy t99 Part no.
Quick-action surface probe with sprung 150 mm -200 to +300 °C Class 2* 3s 0604 0194
thermocouple strip, measuring range short-term
to +500 °C Ø 10 mm
Plug-in head. connection cable 0430 0143 or 0430 0145 required
Super quick-action immersion/penetration probe 150 mm -200 to +600 °C Class 1* 1s 0604 0493
for measurements in liquids
Ø 1.5 mm
Plug-in head. connection cable 0430 0143 or 0430 0145 required
Super quick-action immersion/penetration probe 150 mm 20 mm -200 to +600 °C Class 1* 1s 0604 9794
for measurements in gases and liquids with a Ø 1.4 mm Ø 0.5 mm
low-mass tip Plug-in head. connection cable 0430 0143 or 0430 0145 required
Pipe wrap probe for pipes up to 2" in diameter -60 to +130 °C Class 2* 5s 0600 4593
Fixed cable
Spare meas. head for pipe wrap probe, TC Type K 35 mm -60 to +130 °C Class 2* 5s 0602 0092
15 mm
Globe thermometer to measure radiant heat Accuracy corresponds to 0 to +120 °C ±0.5 °C (0 to +49.9 °C) 0554 0670
ISO 7243, ISO 7726, DIN ±1 °C (+50 to +120 °C)
Ø 150 mm
EN 27726, DIN 33403
requirements
Fixed cable
*According to standard EN 60584-2, the accuracy of Classes 1 / 2 refer to -40 to +1000/+1200 °C.
See testo 400 for more probes
Accessories for velocity probes, pressure probes Part no. Accessories: Humidity, 3-function probe Part no.
Professional telescopic handle for plug-in vane probes, max. 1 m long 0430 0941 Cable, 1.5 m long, connects probe with plug-in head to meas. instrument 0430 0143
PUR coating material
Extension for telescopic handle, 2 m long 0430 0942 Cable, 5 m long, connects probe with plug-in head to measuring instrument 0430 0145
please also order the 0409 0063 extension cable PUR coating material
Handle for plug-in vane probes 0430 3545 Extension cable, 5 m long, between plug-in head cable and instrument 0409 0063
PUR coating material
Extension cable, 5 m long, between plug-in head cable and instrument 0409 0063 Telescopic handle, max. 1 m, for probe with plug-in head 0430 0144
PUR coating material cable: 2.5 m long, PUR coating material
Connection hose, silicone, 5m long 0554 0440 testo saline pots for control and humidity adjustment of humidity probes, 0554 0660
max. load 700 hPa (mbar) 11.3 %RH and 75.3 %RH with adapter for humidity probe
Cover plugs for test holes (50 off) 0554 4001 Metal protection cage, Ø 12 mm for humidity probes 0554 0755
for measurement in flow velocities of less than 10 m/s
Cap with wire mesh filter, Ø 12 mm 0554 0757
PTFE sintered filter, Ø 21 mm, for corrosive substances 0554 0666
high humidity range (long-term measurements), high velocities
Accessories for temperature probes Part no. Sintered PTFE filter, Ø 12 mm, for corrosive media 0554 0756
Silicone heat paste (14g), Tmax = +260°C 0554 0004 High humidity range (long-term measurements), high flow velocities.
improves heat transfer in surface probes Stainless steel sintered cap, Ø 21 mm, can be screwed onto humidity probe 0554 0640
Cable, 1.5 m long, connects probe with plug-in head to meas. instrument 0430 0143 protection in case of high mechanical load and high velocities
PUR coating material Stainless steel sintered cap, Ø 12 mm, is screwed onto humidity probe 0554 0647
Cable, 5 m long, connects probe with plug-in head to measuring instrument 0430 0145 for measurements at higher flow velocities or in contaminated air
PUR coating material PTFE cap, Ø 5 mm, attachable, PTFE material, (5 off) PTFE 0554 1031
Extension cable, 5 m long, between plug-in head cable and instrument 0409 0063 dust protection, high humidity measurements, high flow speeds for humidity
PUR coating material probe 0636 2130
Telescopic handle, max. 1 m, for probe with plug-in head 0430 0144 PTFE sintered filter, Ø 12 mm, for corrosive substances 0554 0758
cable: 2.5 m long, PUR coating material high humidity range (non-stop measurements), high flow speeds
12 Additional information at www.testo.com
13. testo 400 The reference measuring instrument for A/C and ventilation systems
Precision reference class
measuring instruments have
everything the professional user VAC module for evaluating the
needs to complete complicated measurement directly on site with
measurement tasks efficiently, integrated inaccuracy calulation
accurately and conveniently. Clear graphics display Attachable printer
3 user defined function buttons Prints readings on site in the
testo 400 includes the matter of seconds
parameters Save up to max. 500,000 readings) or
print at the touch of a button
temperature, CO2, rpm, current, Mains connection/quick battery
voltage, relative humidity, recharge
pressure, flow and volume flow.
Attachable printer (optional)
Clear graphics display
Intelligent electronics ensure the Prints readings on site in a matter of °C
latest technology is used thanks seconds
to software updates. Data communication via PC Data communication with PC,
The measuring instrument can User friendly operation with cursor via barcode reader
always keep up with the menu structure 3 user defined function
measurement tasks at hand Integrated reading memory for up to buttons
thanks to upgrades. 500,000 readings Saves or prints at the touch of
a button
Upgradable and teachable, highly Easy operation with cursor
reliable and of the highest quality -
they are the properties which
guarantee that the customer is
equipped for the future.
Useful instrument functions:
• System accuracy up to 0.05 °C
and up to a resolution of 0.001 °C
Mains connection/Fast
• All functions of testo 650 and battery recharging
testo 950 2 user-defined probe
sockets
• Input of cross-sections for
volume flow calculation
• Absolute pressure
compensation in thermal probes
• Density calculation for velocity
measurement with reference to
temperature, humidity and Mean
absolute pressure
2.0 + 0.8 m/s
-
• Turbulence degree
measurement to EN 137729
14760 + 5525 m3/h
-
• Assessment of volume flow
measurements with calculation of
total uncertainty of measurement
Assessment of measurement directly on
in accordance with EN 12599
location with integrated uncertainty
with VAC module (optional) testo 400 calculation
testo 400, multi-functional
measuring instrument, incl.
measurement value store up to
500,000 readings, VAC-module
1/1 (H 250 / V 500 mm)
(determination of volume flow with
error calculation), battery, Li-cell
and calibration protocol
x + + +
Can be used for:
• Velocity, volume flow
• Humidity, pressure
+ + + +
• Temperature
• CO2, rpm and current/voltage
Part no.
0563 4001 The coordinates required for the grid
measurement are shown in the
instrument display. The depth information
on the vane telescopic handle makes the
task that much easier in practice.
Additional information at www.testo.com 13