GFG ZD22 Long-term O₂ Transmitter (10 ~ 1000 ppm, 0.01 ~96%)

Oxygen (O₂):

Measuring range: 0.01 to 2% by volume → Resolution: 0.01% by volume

Measuring range: 0.1 to 25% by volume → Resolution: 0.1% by volume

Measuring range: 1.0 to 96% by volume → Resolution: 0.2% by volume

Measuring range: 10 to 1000 ppm → Resolution: 5 ppm

Measuring principle: Zirconium dioxide (ZD)

Measuring range: Sensor dependent (see overview)

Gas supply: Diffusion or gassing per calibration adapter

Lifetime of the sensor: 4–5 years

Response time: t90 ≤ 5 s

Temperature: -20 to +50 °C

Humidity: 5 to 90% r.h.

Air pressure: 80 to 120 kPa

Output signal: Analog: 0.2–1 mA or 4–20 mA; Digital: RS-485

Power supply: 12 to 30 V DC

Housing: Plastic

Protection class: IP54

Dimensions: 96 x 141 x 49 mm (W x H x D)

Weight: 220 g

Datasheet