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  • Easy programming and range adjustment without test pressure via on-board display
  • 4:1 turn down
  • Active temperature compensation
  • Hart® protocol output available
  • All Stainless Steel housing and wetted parts
25 Series Intelligent Pressure and Level Transmitters
Unit of Measure
Items 25 Series Intelligent Pressure and Level Transmitters
254-16-16/40inH2O-1-43-71-TC
25 Series 2" Tri Clamp, Range Adjustable from 0 - 16 inH2O to 0 - 40 inH2O, 0.2% of Adjusted Span, 4 to 20 mA/2-Wire + Hart® Protocol Sanitary Transmitter with PG9 Cable Gland and Transparent Cover
25 Series Intelligent Pressure and Level Transmitters
254-16-29/145-1-43-71-TC
25 Series 2" Tri Clamp, Range Adjustable from 29 to 145 psig, 0.2% of Adjusted Span, 4 to 20 mA/2-Wire + Hart® Protocol Sanitary Transmitter with PG9 Cable Gland and Transparent Cover
25 Series Intelligent Pressure and Level Transmitters
254-16-40/160inH2O-1-43-71-TC
25 Series 2" Tri Clamp, Range Adjustable from 0 - 40 inH2O to 0 - 160 inH2O, 0.2% of Adjusted Span, 4 to 20 mA/2-Wire + Hart® Protocol Sanitary Transmitter with PG9 Cable Gland and Transparent Cover
Description N/A
  • Easy programming and range adjustment without test pressure via on-board display
  • 4:1 turn down
  • Active temperature compensation
  • Hart® protocol output available
  • All Stainless Steel housing and wetted parts
Type N/A Pressure and Level Transmitter
Tri-Clamp Size N/A 2 in
Weight N/A 2.2 lb
Full Scale Best Fit Straight Line (BFSL) Accuracy (±) N/A 0.2 % of adjusted span %
Storage Temperature [Min] N/A -20 ºC-4 ºF
Storage Temperature [Max] N/A 100 ºC212 ºF
Housing Material N/A 304 Stainless Steel, 316 Stainless Steel
Output Signal N/A 4 mA to 20 mA 2-wire, 4 mA to 20 mA 2-wire and Hart® signal
Electrical Connection N/A PG9 Cable Gland
Environmental Rating N/A Ingress Protection (IP66) (National Electrical Manufacturers Association (NEMA) 4X), Ingress Protection (IP68) (National Electrical Manufacturers Association (NEMA) 6) optional
Series N/A 25
Connection Material N/A 316 Stainless Steel
Pressure Range N/A 0 to 16 inH2O0 to 40 inH2O N/A 29 to 145 psig0 to 803 inH2O0 to 4017 inH2O N/A 1.45 to 5.8 psig0 to 40 inH2O0 to 160 inH2O
Stability N/A < 0.1%/year
Adjustment N/A By 3 push buttons on display or optional Hart® signal
Response Time N/A <100 ms
Service Life N/A <10 y
Measuring Element N/A 316 Stainless Steel (Hastelloy C or Tantalum optional)
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.
Additional Information N/A
  • Strong flush diaphragm with minimal fill volume
  • Can be cleaned-in-place (CIP) or steamed-in-place (SIP)
  • 3A Certified
Options N/A Transparent Cover (for Display) (TC)
Digital Indicators N/A NOSHOK Digital Indicators provide local indication for pressure, level and temperature transmitters.
Sanitary Clamps and Gaskets N/A
  • Clamp-style fittings are constructed of T304 Stainless Steel; T316 Stainless Steel on request
  • Double hinge design for easy installation and removal
  • Available in sizes from 3/4" to 4"
  • Standard pressure rating of 500 psi at 70 ºF (21 ºC); up to 3,000 psi rating on request
  • Clamp gaskets are available in NBR, EPDM, PTFE and FKM
  • All clamps and gaskets meet FDA and 3A sanitary standards
ASME-BPE Sanitary Clamp
1-1/2" (CR 12)
2" (CR 16)
2-1/2" (CR 20)
3" (CR 24)

NBR Gasket
1-1/2" (BG 12)
2" (BG 16)
2-1/2" (BG 20)
3" (BG 24)

PTFE Gasket
1-1/2" (TG 12)
2" (TG 16)
2-1/2" (TG 20)
3" (TG 24)
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
Stock N/A N/A N/A Yes