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  • Low pressure ranges for vapor recovery applications, vacuum and compound ranges through 0 psig to 15,000 psig; absolute ranges from 0 psia to 15 psia through 0 psia to 300 psia
  • Current output
  • 316 and 14-4PH Stainless Steel wetted parts
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625/626 Series Intrinsically Safe Pressure Transmitters

0 to 10,000 psig, 0.25% Accuracy (Best Fit Straight Line (BFSL), 4 to 20 mA Output, 1/2" National Pipe Thread (NPT) Male Pressure Transmitter with DIN EN 175301-803 Form A Electrical Connection
625/626 Series Intrinsically Safe Pressure Transmitters

0 to 1,000 psig, 0.25% Accuracy (Best Fit Straight Line (BFSL), 4 to 20 mA Output, 1/2" National Pipe Thread (NPT) Male Pressure Transmitter with 6-pin Bayonet - IP65 Electrical Connection
625/626 Series Intrinsically Safe Pressure Transmitters

0 to 1,000 psig, 0.25% Accuracy (Best Fit Straight Line (BFSL), 4 to 20 mA Output, 1/2" National Pipe Thread (NPT) Male Pressure Transmitter with DIN EN 175301-803 Form A Electrical Connection
625/626 Series Intrinsically Safe Pressure Transmitters

0 to 1,000 psig, 0.125% Accuracy (Best Fit Straight Line (BFSL), 4 to 20 mA Output, 1/4" National Pipe Thread (NPT) Male Pressure Transmitter with DIN EN 175301-803 Form A with 36" Cable Electrical Connection
625/626 Series Intrinsically Safe Pressure Transmitters

0 to 100 psig, 0.25% Accuracy (Best Fit Straight Line (BFSL), 4 to 20 mA Output, 1/4" National Pipe Thread (NPT) Male Pressure Transmitter with DIN EN 175301-803 Form A Electrical Connection
Description N/A
  • Low pressure ranges for vapor recovery applications, vacuum and compound ranges through 0 psig to 15,000 psig; absolute ranges from 0 psia to 15 psia through 0 psia to 300 psia
  • Current output
  • 316 and 14-4PH Stainless Steel wetted parts
Type N/A Safe Pressure Transmitter
Series N/A Stainless Steel Threaded Connection
Pressure Range N/A 0 to 10,000 psig N/A 0 to 1,000 psig N/A 0 to 1,000 psig N/A 0 to 1,000 psig N/A 0 to 100 psig
Full Scale Best Fit Straight Line (BFSL) Accuracy (±) N/A 0.25 % N/A 0.25 % N/A 0.25 % N/A 0.125 % N/A 0.25 %
Note for Accuracy N/A Includes the effects of non-linearity, hysteresis, non-repeatability, zero point and full scale errors.
Output Signal N/A 4 mA to 20 mA, 2-wire
Process Connections N/A 1/2 in. Male National Pipe Thread (MNPT) N/A 1/2 in. Male National Pipe Thread (MNPT) N/A 1/2 in. Male National Pipe Thread (MNPT) N/A 1/4 in. Male National Pipe Thread (MNPT) N/A 1/4 in. Male National Pipe Thread (MNPT)
Electrical Connection N/A DIN EN 175301-803 Form A N/A 6-Pin Bayonet - Ingress Protection (IP65) N/A DIN EN 175301-803 Form A N/A DIN EN 175301-803 Form A with 36" Cable N/A DIN EN 175301-803 Form A
Storage Temperature [Min] N/A -30 ºC-22 ºF
Storage Temperature [Max] N/A 105 ºC221 ºF
Burst Pressure N/A
Stability N/A ≤ ± 0.2% full scale for 1 year, non-accumulating
Adjustment N/A ± 10% full scale for zero and span
Response Time N/A
Response Time N/A ≤1 ms
Service Life N/A < 100,000,000 load cycles
Power Requirement N/A 10 Vdc to 30 Vdc (4 mA to 20 mA, 2-wire)
Load Limitations N/A ≤ (VPower-10)/0.020 Amp
Proof Pressure N/A 2 Times Full Scale N/A 2 Times Full Scale N/A 2 Times Full Scale N/A 2 Times Full Scale N/A 3.5 Times Full Scale
Burst Pressure N/A 4 Times Full Scale
Measuring Element N/A 316 stainless steel for ranges up through 0 psi to 300 psi, 316 stainless steel with 17-4PH stainless steel for ≥300 psi
Connection Material N/A 316 Stainless Steel
Housing Material N/A 316 Stainless Steel
Environmental Rating N/A Ingress Protection (IP65) to Ingress Protection (IP67) depending upon electrical connection
Electromagnetic Rating N/A European Conformity (CE) Compliant to Electromagnetic Compatibility (EMC) Norm European Standards (EN) 61326:2014/A1:1998, Radio Frequency Interference (RFI), Electromagnetic Interference (EMI) and Electrostatic Discharge (ESD) Protection
Electrical Protection N/A Reverse polarity, over-voltage and short circuit protected
Shock According to International Electrotechnical Commission (IEC) 60068-2-27 N/A 1,000 g
Vibration According to International Electrotechnical Commission (IEC) 60068-2-6 N/A 20 g
Approximate Weight N/A 7 oz
Compensated Temperature Range N/A 32 to 176 ºF0 to 80 ºC
Note for Compensated Temperature Range N/A Zero effect is ±0.011% full scale/ºF
Span effect is ±0.011% full scale/ºF
Media Temperature Range N/A -4 to 185 ºF-20 to 85 ºC
Ambient Temperature Range N/A -4 to 176 ºF-20 to 80 ºC
Warranty N/A 3 yr
Options N/A
Prop 65 Warnings N/A
WARNING: This product can expose you to chemicals including Lead and Nickel, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
Limitations Which Apply Are N/A These units must be operated within the catalogued environmental and application parameters. Determination of failure will be made by NOSHOK, Inc.'s equipment and personnel or a certified test facility specializing in this type of evaluation.

In keeping with and for purposes of product and/or manufacturing process improvements, NOSHOK, Inc. reserves the right to make design changes without prior notice.
Application N/A
  • Chemical processing
  • Gas pressure measurement
  • Oil field & offshore
  • Mining
  • Vapory recovery systems
  • Well head measurement
Additional Information N/A
  • Factory Mutual and Canadian Standards Association approved
  • CE compliant to suppress RFI, EMI and ESD
  • NSI/ISA-12.27.01 approved single seal
NOSHOK 625 and 626 Series transmitters are Factory Mutual and Canadian Standards Association approved for use in hazardous location applications as follows:
  • Intrinsically Safe, entity approval for Class I, II and III, Division 1, Groups A, B, C, D, E, F and G; and Class I, Zone 0 Aex ia IIC
  • Dust Ignition-proof for Class II and III, Division 2, Groups F and G
  • Non-incendive for Class I, Division 2, Groups A, B, C and D.
  • CE compliant with pressure equipment directive 2014/68/EU.
  • ANSI/ISA-12.27.01, Approved single seal.
  • Ideal for applications including chemical processing, gas pressure measurement, oil field & offshore, mining, vapory recovery systems, well head measurement
Options and Accessories N/A
  • SS Threaded Orifice- 625 Only (ST8)
  • G 1 Weld-on Adaptor - 626 Only (G1)
  • G 1/2 Weld-on Adaptor - 626 Only (G1/2)
Assembly Options N/A NOSHOK offers multiple assembly options to meet your specific system requirements. Consult factory to discuss your customized solution.
Digital Indicators N/A NOSHOK Digital Indicators provide local indication for pressure, level and temperature transmitters.
Pressure Snubbers - Piston Type N/A
  • Resist clogging and are self-cleaning
  • Five different sized pistons included with each snubber to ensure the correct amount of snubbing for virtually every application
  • Available in Brass and 316 Stainless Steel in 1/4" NPT, 1/2" NPT or SAE J1926-3: 7/16-20
  • Weight approximately 0.2 lb. for 1/4" & 7/16", and approximately 0.4 lb. for 1/2"​​​​​​
Pressure Snubbers - Sintered Type N/A
  • Cost effective solution to protect expensive instrumentation
  • Increases gauge readability by smoothing out pressure surges, pulsations and spikes
  • 5 basic elements available for each snubber to accommodate specific application needs
  • Snubbing action achieved by utilizing a corrosion resistant 316 Stainless Steel sintered porous element
  • Exotic materials or intermediate disc grades available
  • Provides long service life with no moving parts to wear out
  • Weight approximately 0.2 lb. for 1/4" & 7/16", and approximately 0.4 lb. for 1/2
Steam Syphons N/A
  • Protect the instrument from the damaging effects of high temperature steam
  • Recommended for use in all steam applications
  • Available in 1/4" and 1/2" NPT sizes in welded steel, welded 316 Stainless Steel or seamless 316 Stainless Steel with ratings to 3,800 psi at 850 ºF
Swivel Adapters N/A
  • Temperature ratings: 15,000 psi at 200 ºF and 3,000 psi at 1,000 ºF
  • Used with gauges and gauge valves to adjust the line of sight
  • Rotates 360º to allow the connected instrument to be positioned in the desired direction
  • The pressure connection is achieved with a tapered cone style compression fitting simply by tightening the swivel hex nut
  • All 316 Stainless Steel construction
  • Standard with 1/2" NPT male process - 1/2" NPT female instrument connections
  • Also available with 1/4" NPT connections, same specifications apply
  • Weight approximately 0.8 lb.
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Stock N/A