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Sensor for gas Hydrogen H2, 5% vol

Sensor for gas Hydrogen H2, 5% vol.

Features:
long life time
high reliability
built-in transmitter
Technical Data

Sensor type

Hydrogen-H2-2E-5%

Measuring principle

amperometric 2-electrode-sensor

Measuring range

0-5% vol. H2 in air or N2

Sensitivity range

10-40 mV/1%vol.H2 at 20°C

Long term sensitivity drift

< 6% per 12 months, <15% per 3 years

Deviation from linearity

<0.05% vol. H2

Zero ouput at 20°C

<0.1%vol. H2

Response time 1 90 (s) at 20°C

<20 seconds, typical 10 seconds

Effect of temperature on sensitivity

<5% inside of range -20°C to +45°C, built-in transmitter with temperature compensation

Pressure dependence

linear

Operating conditions

-40°C to +50°C; 0 to 98% r.H. (non-condensed)

Best storage conditions

+5°C to +20°C; 40 to 60% r.H.

Sensor life expectancy

>3 years in air at 20°C

Warranty

18 months

Dimensions

height 16.5 mm, diameter 22.5 mm

Sensor transmitter output

two wires: "+mV"-green, "ground"-black

Imput impedance of user's Electronic circuit

>1 MQ, >1 MQ by switch off of el. circuit

None cross sensitivitys at 20°C by

Carbon monoxide <3%vol.
Carbon dioxide <100%vol.
Oxygen >5%vol.

 

 

 

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