Oxygen measurement in technological gases

Oksik 8, Oksik 10, Oksik 12, Oksik 16

Technical Data

Measuring principle	Amperometric 2-electrode sensor
Measuring range	0—100% vol. O2
Sensitivity range	150—320 mV at 20.8% vol.O2
Long term sensitivity drift	Max 15% per 3 years, max 30% per 10 years
Deviation from linearity	Max 0,2% vol. O2 inside of the range 0 to 30% vol. O2 Max 1% vol. O2 inside of the range 0 to 100% vol. O2
Zero voltage at 20oC	Max ±0,2% vol. O2
Response time t90 at 20oC	Max 20 s, typ. 8—12 s
Temperature deviation	Max 5% inside of the range –20oC to +45oC
Pressure dependence	Linear
Operating conditions	–35 +50oC; 630—800 mm Hg; 0—98% r.h. (non-condensed)
Best storage conditions	+5oC to +20oC; 40 to 60% r.h.
Sensors life expectancy	More than 10 years at 20.8% vol. O2 and 20oC More than 5 years at 100% vol. O2 and 20oC
Warranty	24 months
Dimensions	Height 16…34 mm, diameter 22,5 mm, connectors 75±8 mm
Sensor output	Two wires: “+mV” – red, “ground” – black
Input impedance of userХs electronic circuit	Min 2 MOhm, Min 2 MOhm by switch off electronic circuit
Cross sensitivity at 20oC	Less than 0.05% vol. O2 by: Carbon dioxide 30% vol. Carbon monoxide 10% vol. Hydrogen 30% vol. Saturated hydrocarbons ~ % range

 

Measuring circuit input