Default Settings

• Measured Gas: Oxygen
• Display: O2
• Chem. Symbol: O2
• CAS number: 7782-44-7

Measuring Range Limit

• Default: 25% by vol.
• Adjustment Range Min/Max: 5/100% by. vol

Calibration Interval

• Default: 6 months
• Adjustment Range Min/Max: 1 day/12 months

Warm-up Time 

• Ready for operation after max.: 1 mins
• Ready for calibration after max.:3 mins

Detection Limit*:

0.4% by Vol.

Measurement Accuracy* (measurement uncertainly (of meas. value) or minimum (whichever is greater value))

• ≤ ±2 %
• ≤ ±0.2% by vol.

Alarm response time * (on gas exposure with 5x alarm threshold, ^t0...20 with 1.6x alarm threshold, ^t0...63

• ≤10 seconds
• ≤20 seconds

Loss of sensitivity, per year

Expected Service Life (in ambient air)

>18 months

Environmental conditions 

• Temperature perm, min./max.: –40°C (–140°F)
• Temperature, min./max.: –20/55°C (–4/131°F)
• Rel. humidity, min./max.: 10/95%
• Ambient pressure: ±15 %

Stored Conditions

Packed (min./max) 0/40°C (32/104°F)

Cross-Sensitivities

Existing - please refer to manufacturer