Ref: NHT 8250

Hydrogen pressure transmitter - EC79 - 0-1 Bar to 0-250 Bar

Industrial pressure sensor for use in Hydrogen
Currently undergoing EC79 and ECER-134 certification
Miniature and robust construction
Technology: thin film on steel film
Measuring range : 0-1 bar to 0-250 bar
Accuracy class: 0.3%, 0.5%
Analog output: ratiometric, voltage or 4-20 mA
Optional switching output
Bandwidth: 0-1 kHz
Connection: M12 connector or cable
Connection: G1/4" fm, 1/4" NPT m, 1/8" NPT m, 7/16"-20UNF
Operating temperature: -40 to 85 °C
Material: Nitrogen-strengthened austenitic steel, AISI304 and AISI 316L IP67

Overview

The NHT 8250 hydrogen pressure transmitter features a thin film sensor on steel based on a special high performance hydrogen compatible alloy for optimal signal stability. The rugged mechanical design with a fully welded housing is suitable for the harshest environments.

Specifications

Specifications
Measuring principle	Thin film on steel
Measuring ranges	0 ... 1 to 0 ... 250 bar
Accuracy @ 25°C	typ. ± 0.3 to % F.S. typ.
Output signal	4 ... 20 mA, 0.5 ... 4.5 VDC, 0 ... 5 VDC, 1 ... 5 VDC, 1 ... 6 VDC, 0 ... 10 VDC, 0.1 ... 10.1 VDC, 0.5 ... 4.5 VDC ratiometric, Switching output: 1 or 2 PNP transistors
Electrical connections	M12x1; MIL-C 26482; IP67 cable
Pressure connections	G1/4" m, 1/4 "NPT m, 7/16"-20UNF SAE4 m
Media temperature	-40°C ... +85°C
Ambient temperature	-40°C ... +85°C (PVC cable 22: -5°C ... +60°C) (PUR cable 24: -40°C ... +70°C)