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About

  • 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

Featured Specifications

Pressure Range

0 to 15 psig

Accuracy

0.25%

Output Signal

4 mA to 20 mA, 2-wire

Process Connection

1/2" NPT Male

Documents

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Dimensions PDF Marketing Flyers PDF Data Sheet PDF User Manual Wiring Diagram
3D Model3D Model
Product Specifications|Applications|Additional Information|Options and Accessories|Limitations Which Apply Are|Prop 65 Warnings

Product Specifications

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Product Series
625
Process Connection
1/2" NPT Male
Pressure Range
0 to 15 psig
Accuracy
0.25%
Note for Accuracy
Includes the effects of non-linearity, hysteresis, non-repeatability, zero point and full scale errors.
Output Signal
4 mA to 20 mA, 2-wire
Electrical Connection
DIN EN 175301-803 Form A with 1/2" NPT Female Conduit
Stability
≤ ± 0.2% full scale for 1 year, non-accumulating
Adjustment
± 10% full scale for zero and span
Response Time
≤1 ms
Service Life
< 100,000,000 Load Cycles
Power Requirement
10 Vdc to 30 Vdc (4 mA to 20 mA, 2-wire)
Load Limitations
≤ (VPower-10)/0.020 Amp
Proof Pressure
3.5 Times Full Scale
Burst Pressure
4 Times Full Scale
Measuring Element
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
316 Stainless Steel
Housing Material
316 Stainless Steel
Environmental Rating
Ingress Protection (IP65) to Ingress Protection (IP67) depending upon electrical connection
Electromagnetic Rating
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
Reverse polarity, over-voltage and short circuit protected
Shock According to International Electrotechnical Commission (IEC) 60068-2-27
1,000 g
Vibration According to International Electrotechnical Commission (IEC) 60068-2-6
20 g
Approximate Weight (oz)
7 oz
Compensated Temperature Range ºF
32 to 176 ºF
Compensated Temperature Range ºC
0 to 80 ºC
Note for Compensated Temperature Range
Zero effect is ±0.011% full scale/ºF
Span effect is ±0.011% full scale/ºF
Media Temperature Range ºF
-4 to 185 ºF
Media Temperature Range ºC
-20 to 85 ºC
Ambient Temperature Range ºF
-4 to 176 ºF
Ambient Temperature Range ºC
-20 to 80 ºC
Warranty
3 yr
Related Items
  • 2070-MFS, 1/2" National Pipe Thread (NPT), Male x Female, 316 Stainless Steel, Hard Seat, 0.187" Orifice Block and Bleed 2-Valve
  • 304-MFS, 1/2" National Pipe Thread (NPT), Male x Female, 316 Stainless Steel, 0.187" Orifice Soft Seat Multiport Valve
  • 3070-MFS, 1/2" National Pipe Thread (NPT), Male x Female, 316 Stainless Steel, Hard Seat, 0.187" Orifice Double Block and Bleed 3-Valve
  • 504-MFS, 1/2" National Pipe Thread (NPT), Male x Female, 316 Stainless Steel, Soft Seat, 0.187" Orifice Needle Valve

Applications

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Applications
  • Chemical processing
  • Gas pressure measurement
  • Oil field & offshore
  • Mining
  • Vapory recovery systems
  • Well head measurement

Additional Information

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Additional Information
  • 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

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Options and Accessories
  • 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
NOSHOK offers multiple assembly options to meet your specific system requirements. Consult factory to discuss your customized solution.
Digital Indicators
NOSHOK Digital Indicators provide local indication for pressure, level and temperature transmitters.
Pressure Snubbers - Piston Type
  • 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
  • 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
  • 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
  • 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.

Applications

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Application
  • Chemical processing
  • Gas pressure measurement
  • Oil field & offshore
  • Mining
  • Vapory recovery systems
  • Well head measurement

Limitations Which Apply Are

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Limitations Which Apply Are
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.

Prop 65 Warnings

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Prop 65 Warnings
⚠️ 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