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NHT 8250

NHT 8250 Hydrogen Pressure Transmitter

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Main features

EC79/2009 certified by the KBA Kraftfahrt-Bundesamt
Wetted materials made of hydrogen-compatible steel
Completely welded sensor system without additional seals
Excellent long-term stability
Optional Ex zone 2 conformity

About

The NHT 8250 Hydrogen pressure transmitter features a thin-film-on-steel sensor based on a special hydrogen-compatible high-performance alloy for best-in-class signal stability. The robust mechanical design with fully welded housing is built to last in harsh environments.

Technical Data

More Information
Product code	8250
Name	NHT
Designation	Hydrogen Pressure Transmitter
Product category	Pressure transmitters
Measuring range	0 ... 1 to 0 ... 600 bar (0 ... 15 to 0 ... 7500 psi)
Measuring principle	Thin-film-on-steel
Approval / conformity	EC79/2009: e179/2009406/20100004700 Ex zone 2 conformity acc. EN60079-0, EN60079-14, EN60079-7
Accuracy @ 25°C typ.	± 0.5 % FS typ. ± 0.3 % FS 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
Electrical connections	Industrial standard, contact distance 9.4 mm; M12x1; MIL-C 26482; Cable IP67
Pressure connections	G1/4" m, 1/4"NPT m, 7/16"-20UNF SAE4 m
Media temperature	–40°C ... +85°C
Ambient temperature	max. -40°C ... + 125°C (UL-rated Umgebungstemperatur: -20°C ... +80°C) Details see section Electrical Connection
Measuring range	≤ 1 bar ≤ 100 bar ≤ 600 bar > 600 bar < 15 psi < 1500 psi < 7500 psi > 7500 psi Relative pressure

Downloads Go to file downloads

Datasheet:

H72338j CN 8250 NHT Hydrogen Pressure Transmitter
cn
pdf 771.5KB
H72338j DE 8250 NHT Hydrogen Pressure Transmitter
de
pdf 687.7KB
H72338j EN 8250 NHT Hydrogen Pressure Transmitter
en
pdf 702.9KB
H72338j ES 8250 NHT Hydrogen Pressure Transmitter
es
pdf 688KB
H72338j FR 8250 NHT Hydrogen Pressure Transmitter
fr
pdf 687KB
H72338j IT 8250 NHT Hydrogen Pressure Transmitter
it
pdf 687.5KB
H72338j JP 8250 NHT Hydrogen Pressure Transmitter
jp
pdf 749KB
H72338j PL 8250 NHT Hydrogen Pressure Transmitter
pl
pdf 689KB
H72338j PT 8250 NHT Hydrogen Pressure Transmitter
pt
pdf 688.6KB

Manual:

H73174c Safety Instructions Ex devices
en
pdf 187.5KB
H73303ab Instructions 8250 8252 8254 8256 8258 NHT NAT NAH NAE NAR Pressure Transmitter A5
en
pdf 889KB

Flyer:

H70606h CN 8250 NHT Hydrogen Pressure Transmitter
cn
pdf 1.4MB
H70606h DE 8250 NHT Hydrogen Pressure Transmitter
de
pdf 1.4MB
H70606h EN 8250 NHT Hydrogen Pressure Transmitter
en
pdf 1.4MB
H70606h ES 8250 NHT Hydrogen Pressure Transmitter
es
pdf 1.4MB
H70606h FR 8250 NHT Hydrogen Pressure Transmitter
fr
pdf 1.4MB
H70606h IT 8250 NHT Hydrogen Pressure Transmitter
it
pdf 1.4MB
H70606h JP 8250 NHT Hydrogen Pressure Transmitter
jp
pdf 1.4MB
H70606h PL 8250 NHT Hydrogen Pressure Transmitter
pl
pdf 1.4MB
H70606h PT 8250 NHT Hydrogen Pressure Transmitter
pt
pdf 1.4MB

Certificates:

EC79 Hydrogen NHT 8250 EHI 8280 NAH 8253 EXNT 8292
en
pdf 115KB
CE UKCA Declaration of conformity Pressure Transmitter
en
pdf 73.9KB

STEP files and software:

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