Oxygen sensors

Sensor type

Oxygen-O₂-2E-30%

Measuring principle

amperometric 2-electrode-sensor

Measuring range

0-30% vol. O₂

Sensitivity range

150-500 mV/20.8%vol.O₂

Long term sensitivity drift

< 15% per 3 years, <30% per 10years

Deviation from linearity

<0.3% vol. O₂ inside of range 0-30% vol. O₂

Zero voltage at 20℃

<0.3% vol. O₂

Response time t ₉₀ at 20℃

<10 seconds

Effect of temperature on sensitivity

<5% inside of range -20℃ to +50℃, built-in

transmitter with temperature compensation

Pressure dependence

linear

Operating conditions

-35℃ to +50℃; 0 to 98% r.H. (non-condensed)

Best storage conditions

+5℃ to +20℃; 40 to 60% r.H.

Sensor life expectancy

>10 years at 20.8% vol.O₂, at 20℃

Warranty

24 months

Dimensions

height 16.5 mm, diameter 22.5 mm

Sensor transmitter output

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

Imput impedance of user's electronic circuit

>2 MΩ, >2 MΩ by switch off of el.circuit

None cross sensitivity at 20℃by

Carbon monoxide <10%vol.

Carbon dioxide <30%vol.

Hydrogen <30%vol.

Mainly VOCs ~ %-range