Oxygen sensors

Sensor type

Oxygen O2-2E-30%-micro

Measuring principle

amperometric 2-electrode-sensor

Measuring range

0-30% vol. O₂

Sensitivity range

90-250 mV/20.8%vol.O2 at 20℃

Long term sensitivity drift

<8% per 12 months, <20% per 3 years

Deviation from linearity

<1%

Zero voltage at 20℃

<4mV

Response time t ₉₀ at 20℃

<20 seconds

Effect of temperature on sensitivity

<5% inside of range -20℃ to +45℃, built-in

transmitter with temperature compensation

Pressure dependence

linear

Operating conditions

-35℃ to +45℃; 0 to 98% r.H. (non-condensed)

Best storage conditions

+5℃ to +20℃; 40 to 60% r.H.

Sensor life expectancy

>3 years at 20.8% vol.O₂, at 20℃

Warranty

12 months

Dimensions

height 11.7 mm, diameter 11.5 mm

Sensor transmitter output

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

Imput impedance of user's electronic circuit

>100MΩ, >30 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