Measuring system

Zirkonium-dioxide cell / current-probe

Measuring principle

Curent probe (Current-mode)
Probe current = linear ƒ(O₂-content)

Probe current for 21 Vol.% O₂

300 to 600 mA

Operating temperature of measuring cell (sensor)

750 to 850 °C

Heating-up time

60 min. until stand-by at 21 % O₂
120 min. until thermal balance

Setting time after measurement-value jump

t₉₀ < 20 sec with standard measuring-gas-extractor, 450 mm long

Range of measuring

0-21 Vol. % O₂ calibration with air

Preciseness of measuring

± 0,2 Vol. % O₂ after calibration with
LT1 Lamda Transmitter

Protection type

IP42

Probe signal

0 … 400/600 mA

TUV suitability approved

13. and 17.BlmSchV with Lambda Transmitter LT1