About

  • Current and voltage outputs available
  • 316 stainless Steel and Elgiloy wetted parts
  • Factory Mutual and Canadian Standards Association approved
  • NACE MR0175/ISO 15156 compliant
  • NSI/ISA-12.27.01 approved single seal

Featured Specifications

Accuracy

0.25%

Pressure Range

0 to 6,000 psig

Output Signal

4 mA to 20 mA, 2-wire

Process Connection

1/4" NPT Male

Electrical Connection

1/2" NPT Male Conduit with 6 ft Integral Cable

Product Specifications

Product Series
Pressure Transmitter
Process Connection
1/4 in NPT Male
Approximate Weight
12 oz
Housing Material
316 Stainless Steel
Accuracy
0.25%
Output Signal
4 mA to 20 mA, 2-wire
Electrical Connection
1/2" NPT Male Conduit with 6 ft Integral Cable
Power Requirement
10 Vdc to 30 Vdc (4 mA to 20 mA, 2-wire)
6 Vdc to 30 Vdc (1 Vdc to 5 Vdc, 3-wire, 0.5 Vdc to 4.5 Vdc, 3-wire)
14 Vdc to 30 Vdc (0 Vdc to 10 Vdc, 3-wire)
Pressure Range
0 to 6,000 psig
Absolute Pressure Range
  • 0 to 100
  • 0 to 15 psia
Stability
≤ ±0.2% full scale for 1 year, non-accumulating
Response Time
≤1 ms
Service Life
> 100,000,000 Load Cycles
Compensated Temperature Range ºF
32 to 176 ºF
Compensated Temperature Range ºC
0 to 80 ºC
Measuring Element
621 Series is 316 Stainless Steel for ranges up through 0 psi to 300 psi, 316 Stainless Steel with Elgiloy ranges 0 psig to 500 psig and higher
Connection Material
316 Stainless Steel
Electromagnetic Rating
Electromagnetic Compatibility (EMC) Norm European Standards (EN) 61326:2014/A1:1998, Radio Frequency Interference (RFI), Electromagnetic Interference (EMI) and Electrostatic Discharge (ESD) Protection
Environmental Rating
Ingress Protection (IP67)
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
Related Items
  • 152-MFS, 1/4" National Pipe Thread (NPT), Male x Female, 316 Stainless Steel, 0.172" Orifice Soft Tip Mini Valve
  • 2172-MFS, 1/4" National Pipe Thread (NPT), Male x Female, 316 Stainless Steel, Soft Seat/Tip Block and Bleed 2-Valve
  • 502-MFS, 1/4" National Pipe Thread (NPT), Male x Female, 316 Stainless Steel, Soft Seat, 0.187" Orifice Needle Valve
  • 702-MFS, 1/4" National Pipe Thread (NPT), Male x Female, 316 Stainless Steel, Soft Seat, 0.187" Orifice Block and Bleed Valve

Options and Accessories

Options and Accessories
  • SS Threaded Orifice - 621 Only (ST8)
  • 20 foot cable/lead - attached to 1/2" NPT Male Conduit w/ 6 foot integral cable or 1/2" NPT Male Conduit w/ 6 foot flying lead and epoxy seal (20)
  • 30 foot cable/lead - attached to option 6 or 37 (30)
Assembly Option for Indication, Output, and Isolation/Bleed
NOSHOK offers multiple assembly options to meet your specific system requirements. Consult factory to discuss your customized solution.

For example, you can simplify your system with this easy-to-install solution from NOSHOK. Three simple components that require a single threaded connection in your piping system will provide local indication, analog output and block/isolate with bleed function. This product grouping is an ideal solution for a variety of applications including oil and gas, and is available in several high pressure ranges, including 5,000, 10,000 and 15,000 psi. Special design for Shale Gas applications.

This example represents a general solution; however, we offer a diverse range of gauges, transmitters and valves which are available with a variety of connection options and ranges to suit your needs. (Photo shows 40-400 Series Pressure Gauge (Local Indication), 621 Series Pressure Transmitter (Control Output), and 200 Series Multi-Port Valve (Block/Isolate & Bleed).
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.

Temperature Ranges

Compensated Temperature Range ºF
32 to 176 ºF
Compensated Temperature Range ºC
0 to 80 ºC
Media Temperature Range (T6) ºF
-40 to 131 ºF
Media Temperature Range (T6) ºC
-40 to 55 ºC
Media Temperature Range (T5) ºF
-40 to 158 ºF
Media Temperature Range (T5) ºC
-40 to 70 ºC
Media Temperature Range (T4) ºF
-40 to 212 ºF
Media Temperature Range (T4) ºC
-40 to 100 ºC
Ambient Temperature Range (T6) ºF
-40 to 140 ºF
Ambient Temperature Range (T6) ºC
-40 to 60 ºC
Ambient Temperature Range (T5) ºF
-40 to 167 ºF
Ambient Temperature Range (T5) ºC
-40 to 75 ºC
Ambient Temperature Range (T4) ºF
-40 to 221 ºF
Ambient Temperature Range (T4) ºC
-40 to 105 ºC

Load Limitations

Current for 4 to 20 Milliampere (mA)
0.02 A
Resistance for 1 to 5 Direct Current (DC) Voltage, 3-Wire
≥ 10,000 O

Additional Information

Additional Information
NOSHOK 621 and 622 Series transmitters are Factory Mutual and Canadian Standards Association approved for use in hazardous location applications as follows:
  • Explosion-proof with entity approved for: Class I, Division 1, Groups A, B, C and D.
  • Dust Ignition-proof with entity approval for class II/III, Division 1, Groups E, F and G.
  • Maximum electrical ratings 30V, 20 mA.
  • ANSI/ISA-12.27.01, Approved single seal.

Applications

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

Applications

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

Prop 65 Warnings

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