2. ASHCROFT
®
Stainless steel differential pressure gauges series F55
• Dial size 100 or 160 mm
• Ranges from 25 mbar up to 40 bar
• Static pressure up to 400 bar
• Wetted parts stainless steel 316L (1.4404),
optional Monel or Hastelloy C
Pressure gauges
Bourdon tube, diaphragm, capsule and differential pressure gauges in stainless steel. Dial sizes 100 or
160 mm for use in chemical and process industries, optional with contact devices.
Stainless steel diaphragm gauges
models P5500 and P6500
• According to EN 837-3, dial size 100 or 160 mm
• Accuracy 1,6 %
• Ranges from -25 ... 0 mbar up to 0 ... 25 bar
• Dry, field fillable or liquid filled cases
• Model P6500 solid front
• Wetted parts stainless steel, optional
coated with Halar or PTFE
Stainless steel capsule gauges model N5500
• According to EN 837-3, dial size 100 or 160 mm
• Accuracy 1,6 %
• Ranges from -6 ... 0 mbar up to 0 ... 400 mbar
• Dry case
Stainless steel pressure gauges models T5500
and T6500
• According to EN 837-1, dial size 100 or 160 mm
• Accuracy 1,0 % or 0,5 %
• Ranges from -1 up to 2500 bar
• Dry, field fillable or liquid filled cases
• Model T6500 solid front
• Wetted parts stainless steel
316L (1.4404) or Monel
• T55E with 4-20 mA output (integrated
thin film pressure transducer)
3. ASHCROFT
®
Duragauge®
pressure gauge models 1279, 1377, 1379 and 2462
• Dial size 4½", 6" or 8½"
• Accuracy 0,5 % (ASME Grade 2A)
• Ranges from -1 up to 7000 bar
• Solid front, dry or liquid filled cases
• Wetted parts stainless steel 316L (1.4404) or Monel
• Phenolic, cast aluminum or polypropylene case materials
Low pressure bellows gauge
models 1187, 1188 and 1189
• Dial size 4½"or 6"
• Accuracy 2-1-2 % (ASME Grade A)
• Ranges from -25 ... 0 up to 0 ... 600 mbar
• Case solid front, dry
• Wetted parts brass, stainless steel 316 (1.4404) or Monel
• Case material phenolic or cast aluminum
Stainless steel industrial gauge models 1008, 1009
and 1320
• Dial sizes from 1½" up to 6"
• Accuracy from 3-2-3 % up to 0,5 %
• Ranges from -1 up to 1600 bar
• Case dry, field fillable or liquid filled
• Wetted parts brass, stainless steel 316L (1.4404) or Monel
Bourdon tube and bellows gauges to American standards (ASME B40) for use in chemical and
process industries.
Type Measuring principle Ranges Datasheet
T5500, T6500 Bourdon tube -1 ... 2500 bar G1.T5500
T55E with 4-20 mA output Bourdon tube / thinfilm-DMS -1 ... 100 bar G1.T55E
P5500, P6500 Horizontal diaphragms -25 mbar ... 25 bar G1.P5500
N5500 Capsule -6 ... 400 mbar G1.N5500
F5503, F5509, F6509 Dual- /diaphragm 25 mbar ... 40 bar G1.F5503 / G1.F5509
F5502 Diaphragm 0,6 ... 16 bar G1.F5502
F5511, F5512, F5513 Diaphragm 25 mbar ... 25 bar G1.F5511
1279, 1377, 1379, 2462 Bourdon tube -1 ... 7000 bar G1.DURAGAUGE
1187, 1188, 1189 Bellows -25 ... 600 mbar G1.BELLOW
1008, 1009, 1320 Bourdon tube -1 ... 1600 bar G1.1008 / G1.1009
4005, 4008, 4009 Bourdon tube -1 ... 600 bar G1.4005 / G1.4008 / G1.4009
Overview datasheets - Pressure gauges
Commercial gauges for general applications
Commercial pressure gauges models 4005, 4008 and 4009
• Dial size 40, 50, 63 and 100 mm
• Accuracy 2,5 % or 1,6 %
• Ranges from -1 up to 600 bar
• Dry or liquid filled case
• Case material black painted steel
or stainless steel
• Wetted parts brass or stainless steel
4. Gas-filled stainless steel thermometer model S5500
• Dial size 100 or 160 mm
• Ranges from -250 °C up to 800 °C
• Rigid stem or capillary line up to 100 meter
• Optional with electrical contacts
Thermowells according to DIN or ASME
• Threaded, flanged, weld-in or sanitary connections
• Stainless steel, Monel, Hastelloy, Inconel or
other materials
Bimetal thermometers models A and E
• Model “A“ according to EN 13190 - dial size 100 or 160 mm
• Model “E“ according to ASME - dial size 3" or 5"
• Ranges from -50 °C up to 500 °C
• Protection degree IP65
• Connection location lower, rear or every angle
• Model “E" hermetically sealed with external zero adjustment
Type Measuring principle Datasheet
Series A and E Bimetal-Thermometer G2.BIM
S5500 Gas-filled Thermometer G2.S5500
Duratemp®
600 A / B / H Molecular sieve - system G2.DURATEMP
Thermowells screwed - G2.TWSCR
Thermowells flanged - G2.TWFL
Thermowells welded - G2.TWWLD
Overview datasheets - Thermometer and thermowells
Thermometers / thermowells
for use in chemical and process industries, accuracy 1 %.
Duratemp®
Thermometer,
molecular - sieve - system
• Dial size 4½", 6" or 8½"
• Ranges from -200 °C up to 650 °C
• Rigid stem or capillary line up to 24 meter
• Case material stainless steel,
phenolic or cast aluminum
ASHCROFT
®
5. ASHCROFT
®
Pressure switch
• Diaphragm operated piston/cylinder
• Gauge pressure from 25 mbar up
to 210 bar
• Diaphragm material Buna N, Viton,
Teflon, stainless steel or Monel
Differential pressure switch
• Diaphragm operated piston/cylinder
• Differential pressure from 75 mbar
up to 42 bar
• Static pressures up to max 140 bar
• Wetted parts Buna N, Viton, Teflon,
stainless steel or Monel
Temperature switch
• Vapor pressure
thermal system
• Temperature ranges from
-40 °C up to 400 °C
• Rigid stem or capillary line
Models B4, D4 and T4 - pressure,
differential pressure and temperature switches
• 1 or 2 microswitches SPDT (one setpoint)
• Protection NEMA 4, 4X and 13, IP54 or IP66
• UL, FM approvals and CSA
Models B7, D7 and T7 - pressure,
differential pressure and temperature switches
• 1 or 2 microswitch SPDT (one setpoint)
• Protection IP66
• UL, CSA-, RTN- and ATEX approvals
• Explosion proof NEMA 7 & 9
or EEx d IIC T6 (ATEX)
• Intrinsically safe EEx ia IIC T4
Case configurations for various environments and
switching functions
Modular sensing element
Switches
B4, B7, L, G, P and V - Series switches all feature a modular sensing element. The element is in pressure,
differential pressure or temperature and can be matched to actuators and enclosures that suit various
environmental protection classes or the switching function (1 or 2 microswitches, deadband).
6. Model G - pressure, differential pressure and
temperature switches
• 1 setpoint with fixed or adjustable deadband or
2 independent setpoints
• Switch element SPDT. Hermetically sealed on request
• Case stainless steel 316
• Protection NEMA 4 and 4X, IP65
• UL and CSA approvals
Model V - pressure, differential pressure and
temperature switches with pneumatic signal
• 5/2 way valve (one setpoint)
• Case aluminum, epoxy coated
• Pneumatic supply pressure 2..10 bar, optional 1..3 bar
• Protection IP65
• Suitable for use in hazardous areas
For use with aggressive, viscous or crystalizing media pressure and differential pressure switches can be equipped with
diaphragm seals.
Model L - pressure, differential pressure and
temperature switches
• 1 setpoint with fixed or adjustable deadband or 2 independent setpoints
• Switch element SPDT. Hermetically sealed on request
• Case aluminum, epoxy coated
• Protection NEMA 4 and 4X, IP66
• UL and CSA approvals
Model P - pressure, differential pressure and
temperature switches
• 1 setpoint with fixed or adjustable deadband or 2 independent setpoints
• Switch element SPDT. Hermetically sealed on request
• Case aluminum, epoxy coated
• Dual chamber design with separate chambers for electrical connection and
setpoint adjustment
• Explosion proof NEMA 7 & 9 or EEx d IIB + H2T6 (ATEX)
• UL, CSA-, RTN- and ATEX approvals
ASHCROFT
®
7. ASHCROFT
®
Model A - miniature pressure switch
• Diaphragm operated switch in stainless steel or
brass housing
• Gauge pressure from -1 up to 140 bar
• Internal or flush diaphragm
• 1 switch element (SPDT)
• Factory or field adjusted setpoint
Model N - electronic pressure switch
• Measurement by thinfilm pressure transducer
• Gauge pressure from 4 up to 1400 bar
• Wetted parts stainless steel
• Relay output SPDT
• Setpoint and deadband adjustable
• Protection NEMA 4 or
explosion proof NEMA 7 & 9
Model F - pressure switch
• Diaphragm operated switch in aluminum housing
• Gauge pressure from -1 up to 280 bar
• Diaphragm material Buna N, Viton, Teflon or stainless steel
• 1 switch element SPDT or DPDT
• UL and CSA approvals
• For use in hazardous area Class 1 Div.1 and Class II
Switch type Protection Explosion proof Adjustment Datasheets
B4 / D4 / T4 IP54, IP66 - Single G4.B / G4.D / G4.T
B7 / D7 / T7 IP66 NEMA 7&9, EEx d Single G4.B / G4.D / G4.T
Model L IP66 - Single or dual G4.LP&GP / G4.LD&GD / G4.LT>
Model G IP65 - Single or dual G4.LP&GP / G4.LD&GD / G4.LT>
Model P IP66 NEMA 7&9, EEx d Single or dual G4.PP / G4.PD / G4.PT
Model V IP65 - Single G4.VP / G4.VD / G4.VT
Model A IP54, IP65 NEMA 7 Single, fixed or adj. G4.A
Model F IP66 NEMA 7 Single G4.F
Model N NEMA 4 NEMA 7&9 Single SW-15
Overview datasheets - Enclosures and switch functions
Switches
8. Type Execution Datasheet
100, 200, 300, 400, 500 Modular - screwed G3.100
102, 202, 302, 402 Modular - flanged G3.102
104, 204, 304, 106, 206, 107, 207 Modular - Inline G3.IN-LINE
320, DIN 11851, SMS, IDF, RTJ Quick connection, sanitary G3.SAN
DF, DS, DT Flanged, sandwich type or truncated G3.DF/DS/DT
510, 511 All welded - screwed G3.SEAL510
Flanged diaphragm seals with welded
flush or truncated diaphragm
• Model DF flush diaphragm
• Model DS sandwich-construction
• Model DT truncated
• Flanges according to DIN, ISO or ANSI
Various process connections:
• Screwed, optional with flushing connection
• Flanged, optional with flushing connection
• In-line execution, screwed, flanged
or welded
Material wetted parts:
Stainless steel, Monel, Hastelloy B and C,
Carpenter 20, Inconel, Nickel, Tantalum, Titanium,
Halar-coating, Teflon, Viton, PVC and other
Modular ASHCROFT®
-diaphragm seals
are available in the following models:
• Capsule screwed in the top housing (series 100)
• Diaphragm welded or bonded to the top housing (series 200)
• Diaphragm clamped between top and bottom housing (series 300)
• All welded seal for pressure up to 620 bar (series 400 and 500)
Diaphragm seals with quick connection
for the food industry
• DIN 11851 connections
• TRICLAMP®
or Cherry-Burell®
clamp connection
• SMS, IDF or APV / RJT connections
On customer request
We also supply special designed diaphragm seals
(for example dual chamber-heatable inline
diaphragm seals)
Overview datasheets - Diaphragm seals
Diaphragm seals
A diaphragm seal is a device which is mounted between pressure gauges, switches or transducers and the
process to prevent toxins, corrosives, slurries or viscous fluids from damaging the instruments or block the
measurement. ASHCROFT® diaphragm seals offer a variety of materials and connections.
ASHCROFT
®
9. Mounting Accessories
• Pressure gauge supports
• Adapters and sealing caps
• Swivel gauge adapter
• Sealing washers and gaskets
ASHCROFT
®
Pressure snubber with filter
• Filter, 4 different porosity’s
• Brass, stainless steel or Monel
Pulsation dampener
• 5 different sized holes
adjustable
• Brass, steel or stainless steel
Shut-off valves
• According to ANSI or DIN
• Optional with vent or test
connection
• Materials, brass, steel, stainless
steel or Monel
• 3- and 5-way valves for
differential pressure
• NACE-Applications
Pressure limiters
• Adjustable ranges from 10 mbar up to 690 bar
• Maximum pressure up to 1000 bar
• Brass, stainless steel or Monel
• NACE applications
Flexible capillary line
• Drawn bendable capillary tube
• Material stainless steel 304
• Spiral wound armor stainless steel 304
• Optional PVC protection cover on armor
Syphons
• According to ANSI
or DIN
• Brass, steel
or stainless steel
Accessories
10. Pressure transducers with polysilicon thin film element
• Internal or flush diaphragm, all process wetted parts stainless steel
• Ranges from -1 ... 0 up to 0 ... 1400 bar • Accuracy 0,5 %
Pressure transducers
Model KXD
• Standard execution
• Output 0 / 4-20 mA,
0-5 / 10 VDC
• Optional intrinsically safe
according to ATEX
EEx ib IIC
T5/T6
OEM pressure transducers
• Compact size
• Favourable price
Pressure transducers
model A2, A2X and A4
• Ranges 0 ... 350 mbar up to
0 ... 600 bar gauge or 0 ... 1 up
to 0 ... 500 bar absolute
• Accuracy 1 %, 0,5 %, 0,25 %
• Optional temperature
compensated -40 ... 120 °C
• Output 4-20 mA or voltage
• Threaded process connection
with internal diaphragm or flush
diaphragm with Tri-Clamp
sanitary connection
• UL, FM and CSA approval
Model KXK
• Compact size
• Accuracy 1 %
• Output 0 / 4-20 mA,
0-5 / 10 VDC
Model G2 and T2
• Ranges up to 1400 bar
• Accuracy 1 % Total Error Brand or
0,25 % BFSL
• Output signal 4-20 mA, ratiometric
and voltage
• Various process and
electrical connections
Model KM11
• Ranges up to 2500 bar
• Accuracy 1 % or 0,5 %
• Optional intrinsically safe
according to ATEX
EEx ia IIC T4
• Various process and electrical
connections
Model KX1
• Compact size
• Output 4-20 mA
• Process connection
G¼ B or ¼ NPT
Model KXF / KXF-HT
• Flush diaphragm
• Output 0 / 4-20 mA, 0-5 / 10 VDC
• Optional intrinsically safe
according to ATEX
EEx ib IIC T5/T6
• Process connection G½ B
or ½ NPT
• High temperature execution
for process temp. to 200°C
ASHCROFT
®
11. Rangeable pressure and wet/wet dp-transmitter
with local indication
ASHCROFT
®
Model RXLdp
• Small OEM version
• Ranges up to
125 mbar
• Accuracy 1 %
Model IXLdp
• Industrial execution with
stainless steel enclosure
• Ranges up to 500 mbar
• Static pressure 7 bar
• Accuracy 0,5 % or 0,25 %
Model XLdp - capacitance differential pressure transducer / transmitter for dry gases
• Micro machined differential capacitance silicon sensor • Ranges from 0,25 mbar up to 500 mbar differential pressure
• Excellent longterm stability and overpressure capability • Output 4-20 mA or various voltage signals
Overview datasheets - Transducers
Type Accuracy Ranges Datasheet
KX1, KXD, KXDHT 0,5 % (1 %) -1 ... 1400 bar G5.KXD
KXF, KXFHT 0,5 % (1 %) -1 ... 600 bar G5.KXF
KXK 1 % -1 ... 1400 bar G5.KXD
A2, A2X, A4 1 %, 0,5 %, 0,25 % 350 mbar ... 600 bar gauge 1 ... 500 bar absolute G5.A2
KM11 1 % or 0,5 % -1 ... 2500 bar G5.KM11
G2 1 % BFSL -1 ... 1400 bar G5.G2
T2 25 % TEB -1 ... 1400 bar G5.T2
RXLDP, XLDP, IXLDP 1 %, 0,5 % or 0,25 % 0,25 ... 500 mbar dp G5.XLDP
CXLdp 0,8 % or 0,4 % 0,25 ... 60 mbar G5.CXLDP
DXLDP 1 %, 0,5 % or 0,25 % 0,25 ... 125 mbar dp G5.DXLDP
GC51 0,25 % -1 ... 500 bar G5.GC51
GC52 0,5 % 10 ... 1000 mbar dp G5.GC52
GC55 0,5 % 5 ... 20 bar dp G5.GC55
GC35 1 % -1 ... 600 bar G5.GC35
Model DXLdp
• DIN Rail mounting
• Ranges up to 125 mbar
• Accuracy 1%, 0,5 %
or 0,25 %
• SpoolCalTM process valve
• Diagnostic LED
and test points
• 2:1 turn down
Model GC51
• Thin film sensor element
• Ranges from -1 … 1
up to 0 … 500 bar
• Accuracy 0,25 %
• Output 4-20 mA
• Loop check function
Model GC52
• Capacitive sensor
• Ranges from 10 up to
1000 mbar dp
• Static pressure 20 bar
• Accuracy 0,5 %
• Output 4-20 mA
Model GC35
• Combined 3-in-1 digital
pressure gauge, switch
and trancducer
• Ranges to 600 bar
• Accuracy 1 %
• Output 4-20 mA
Model XLdp
• General application
• Ranges up to
125 mbar
• Accuracy 0,5 %
or 0,25 %
Model CXLdp
• DIN rail mounting
• Building Energy Management
and comfort control
• Ranges from 0 ... 25 Pa up to
0 ... 600 mbar
• Accuracy 0,8 % or 0,4 %
• Output 4-20 mA
12. HEISE
®
Calibrating system model ST-2H
• Desktop calibrator with data logger
• Current and voltage input
• Power supply for transmitter test
• Interchangeable sensor modules
Handheld-calibrator
model PTE-1
• Portable handheld calibrator
with data logger
• Current and voltage input
• Optional intrinsically safe
execution (FM-approval)
• Interchangeable sensor
modules
Digital pressure gauge model PM, calibration system models PTE-1 and ST-2H
• Equipped with one or two modules for pressure or temperature
• Differential pressure measurement with capacitance sensor, 0,6 ... 400 mbar
• Pressure from -1 ... 700 bar gauge and absolute pressure up to 500 bar
with piezoresistive sensor
• Accuracy 0,1; 0,05 or 0,025 % F.S.
Digital pressure gauge model PM
• Desktop precision pressure gauge with permanent
pressure ports
• Multiple functions for data
• Remote controlled by RS232 interface
Precision pressure gauges
Digital precision pressure gauges and calibration systems for laboratory and field applications.
Digital industrial pressure gauge model 2074, 2174 and 2274
• Digital gauge with thinfilm sensor
• Ranges from -1 ... 0 up to 0 ... 1400 bar
• Accuracy 0,25 %
• CE, CSA, FM and ATEX approval
• Output signal 4-20 mA and switch function
Digital test gauge 3089
• Compact gauge with piezoresistive sensor
• Ranges from -1 up to 500 bar
• Accuracy 0,05 % including temperature error
(total error band)
• CE, CSA and FM approval
• Min/Max storage, damping, back lite
• in field calibration
13. Type Accuracy Ranges Datasheets
PTE-1 0,6 ... 400 mbar dp G6.PTE / G6. Module
ST-2H 0,1; 0,05 or 0,025 % -1 ... 700 bar G6.ST2H / G6. Module
PM 0,6 ... 500 bar absolute G6.PM / G6. Module
3089 0,25 %, 0,1 % or 0,05 % -1 ... 500 bar G6.3089
D1005PS 0,5 % or 0,25 % -1 ... 1400 bar G6.D1005PS
2074, 2174, 2274 0,25 % -1 ... 1400 bar G6.2074
CM, CC, CMM 0,1 % -1 ... 7000 bar G6.HEISE A
1082 0,25 % -1 ... 600 bar G6.TEST GAUGE
1305D 0,1 % of reading 15 ... 10.000 psi TE-1 (1305)
1327D 0,25 % 1 ... 600 bar TE-1 (1327D)
AVC ± 0,02 mbar - AVC-1000
ASHCROFT
®
ASHCROFT®
Test gauges model 1082
• Dial size 4½", 6" or 8½"
• Accuracy 0,25 % (Grade 3A according to ASME B40.1)
• Ranges up to 700 bar
• Aluminum, solid front, black epoxy coated case
• External zero adjustment and mirror dial
• With bimetalic temperature compensation
• Material wetted parts phosphor bronze or Monel
ASHCROFT®
Deadweight tester model 1305D
and portable test set model 1327D
• 2-stage hydraulic pressure pump
• Deadweight tester model 1305 D: accuracy 0,1 % of reading
• Ranges 1000, 2000, 3000, 5000 and 10000 psi
• Portable test set model 1327 D: accuracy 0,25 % F.S.
• Ranges from 0 ... 10 up to 0 ... 600 bar
• Complete with carrying case and accessories
Pressure volume controller, model AVC
• Accurate fine adjustment of pressure in a closed system
• Fine adjustment by means of a spindle
• Maximum operating pressure 210 bar
• Adjustment range ±1 bar
Overview datasheets - Precision pressure gauges
HEISE®
Precision pressure gauge models CM, CC
and CMM
• Dial size 6", 8½", 12" or 16"
• Accuracy 0,1 % (Grade 4A according to ASME B40.1)
• Ranges up to 7000 bar
• Aluminum, solid front, black epoxy coated case
• External zero adjustment and mirror dial
• Optional with bimetalic temperature compensation
14. Ashcroft Instruments GmbH
Ashcroft Instruments GmbH -
Your competent partner for
development, production and service
Ashcroft Instruments GmbH belongs to the Ashcroft
Inc., U.S.A. Since 1976, we have produced and
designed ASHCROFT®- and HEISE® instruments
in Baesweiler (near Aachen). We manufacture pres-
sure gauges, thermometers, switches, and trans-
ducers, as well as a complete line of diaphragm
seals, including mounting and filling within our own
facilities.
• We assemble and calibrate our transducers in a special
indoor production cell, under controlled ambient conditions
and equippedwith calibration stands and testing equipment.
• Our mechanical workshop is equipped with CNC machines,
turning lathe, rotary grinding, deep hole drilling
and sophisticated welding equipment.
• The production line for thermometers manufac-
tures and calibrates high standard thermome-
ters on customers demand for the industry.
15. Type of pressure Ranges Accuracy
Vacuum pe in gases -1 bar up to -0,013 bar 9*10-5* pe
-0,01 bar up to -0,03 bar 2*10-4* pe
Gauge pressure pe in gases >0,03 bar up to 70 bar 9*10-5* pe
Gauge pressure pe in oil 3 bar up to 70 bar 8*10-5* pe
>70 bar up to 1400 bar 1*10-4* pe
1400 bar up to 4000 bar 3*10-4* pe
Absolute pressure 0 bar up to 40 bar 01 mbar + 1,5*10-4* pabs
pabs in gases >40 bar up to 71 bar 1 mbar + 9*10-5* pabs
Absolute pressure 3 bar up to 71 bar 1 mbar + 9*10-4* pabs
pabs in oil >71 bar up to 1401 bar 1*10-4* pabs
>1401 bar up to 4001 bar 3*10-4* pabs
Diff. pressure p in gases -1bar up to 39 bar; line pressure 01 mbar + 1,5*10-4* p
max. 1 bar
Ashcroft Instruments GmbH -
Your partner in calibration services
Ashcroft Instruments GmbH is a full active member of the
German Calibration Service (DKD) since 1982. We offer
our calibration services for mechanical and electronic pres-
sure gauges for all brands within the ranges from -1 up to
4000 bar and calibration certificates according to DKD or
in-house standards.
Ranges and certified accuracies
Accreditation of calibration laboratory of "Deutscher Kalibrierdienst"
for pressure of Ashcroft Instruments GmbH, D-52499 Baesweiler (Germany)
DKD-K-03501
The calibration laboratory is entitled to issue calibration certificates for
pressure in ranges as below.
Ashcroft Instruments GmbH
