3EF

MEASUREMENT
Operating Principle: 3-electrode electrochemical
Measurement Range: 0-1000 ppm CO
Maximum Overload: 2000 ppm CO
Filter: To remove SOx/NOx & H2S
Sensitivity: 0.10 ± 0.02 μA/ppm
Resolution: 0.5 ppm CO
Response Time (T90): <30 seconds
Baseline Offset (clean air): -1 to +3 ppm equivalent
Zero Shift (+20°C to +40°C): <9 ppm equivalent
Repeatability: 1% of signal
Linearity: Linear

ELECTRICAL
Recommended Load Resistor: 10 Ω
Bias Voltage: Not required

MECHANICAL
Weight: 22 g
Housing Material: 20% Glass Filled Polypropylene
Orientation: Any

ENVIRONMENTAL
Typical Applications: Fixed Life Safety
Operating Temperature Range: -20°C to +50°C
Recommended Storage Temp: 0°C to 20°C
Operating Pressure Range: Atmospheric ± 10%
Pressure Coefficient: 0.020 ± 0.008 % signal/mBar
Operating Humidity Range: 15 - 90% RH non-condensing

LIFETIME
Long Term Sensitivity Drift: <5% signal loss/year
Expected Operating Life: Three years in air
Storage Life: 6 months in CTL container