Oxygen (O2) Gas Sensor for Industrial Safety

MEASUREMENT

Technology

Electrochemical

Measurement Range

0-25% vol. O₂

Maximum Overload

30% vol. O₂

Output Signal*

80 - 130 mA in Air

T90 Response Time*

<15 Seconds

T97 Response Time*

<35 Seconds

Zero Current (Offset)*

(after 3 minutes N2)

<0.3% vol. O₂

Warm-Up Time

Refer to Characterisation Note

Linearity

S = K log_e 1/ (1-C)

ELECTRICAL

Bias Voltage

-600 ± 10 mV

Power Rating at 20.9%O₂

0.5 mW

MECHANICAL

Casing Materia

Noryl

Weight

5 ± 0.2 g

Orientation Sensitivity

<0.2%vol. O₂ equivalent

ENVIRONMENTAL

Operating Temperature Range

-40°C to 60°C

Recommended Storage Temp

0°C to 20°C in original packaging

Thermal Transient*

(Temp. plunge +22°C to -20°C)

<23.5% vol. O₂

Operating Humidity Range

15%rH to 90%rH non-condensing

Operating Pressure Range

Atmospheric ± 20%

Pressure Coefficient*

<0.02% signal/mbar

Pressure Transient*

(60 cm H₂O step change)

<150% signal change

LIFETIME

Long Term Output Drift*

<5% signal loss over operating life

Expected Operating Life

5 years in air