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NHT 8250

NHT 8250 Hydrogen Pressure Transmitter

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Hydrogen

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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 ... 100 bar 0 ... 15 to 0 ... 1000 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; 1/4NPT m; 1/8NPT m; 7/16-20UNF m, SAE J1926-2; 9/16-18UNF m, SAE J1926-2; M12x1.5 m
Media temperature	-40°C ... +85°C
Ambient temperature	max. -40°C ... + 125°C (UL-rated ambient temperature: -20°C ... +80°C) Details see section Electrical Connection
Output signal	4 … 20 mA 0 … 5 VDC 0 … 10 VDC 1 … 6 VDC 0.5 … 4.5 VDC ratiometric
Special features	Compact design Hydrogen compatible

Downloads Go to file downloads

Datasheet:

H72338l CN 8250 NHT Hydrogen Pressure Transmitter
cn
pdf 1.3MB
H72338l DE 8250 NHT Hydrogen Pressure Transmitter
de
pdf 1.2MB
H72338l EN 8250 NHT Hydrogen Pressure Transmitter
en
pdf 1.2MB
H72338l ES 8250 NHT Hydrogen Pressure Transmitter
es
pdf 1.2MB
H72338l FR 8250 NHT Hydrogen Pressure Transmitter
fr
pdf 1.2MB
H72338l IT 8250 NHT Hydrogen Pressure Transmitter
it
pdf 1.2MB
H72338l JP 8250 NHT Hydrogen Pressure Transmitter
jp
pdf 1.4MB
H72338l PL 8250 NHT Hydrogen Pressure Transmitter
pl
pdf 1.2MB
H72338l PT 8250 NHT Hydrogen Pressure Transmitter
pt
pdf 1.2MB

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

Certificates:

EC79 Hydrogen NHT 8250 EHI 8280 NAH 8253 EXNT 8292
en
pdf 115KB
Trafag UL Certificate E516645 Vol1 Sec1 current
en
pdf 324.8KB
CE UKCA Declaration of conformity Pressure Transmitter
en
pdf 73.9KB

STEP files and software:

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