A5F Carbon Monoxide Gas Sensor Technical Specifications
MEASUREMENT | |
Operating Principle | 4-electrode electrochemical |
Nominal Range | 0 to 2,000 ppm CO |
Maximum Overload | 4,000 ppm CO |
Filter | To remove acid gases |
Filter Capacity |
> 100,000 ppm hours (1000 ppm NO @ 200 ml/min) |
Auxiliary Electrode |
To compensate for maximum 2000 ppm H2 cross interference |
Sensitivity* | 75 ± 25 nA/ppm |
Response Time (T90)* | < 40 seconds |
Typical Net Range Baseline* (clean air) |
-2 to +17 ppm CO equivalent |
Typical Net Baseline Shift (+20°C to +40°C) |
5 ppm CO equivalent |
Repeatability | < 1% of signal |
Linearity | Linear |
ELECTRICAL | |
Resolution |
Electronics dependent 1 ppm (based on City Technology recommended circuitry) |
Recommended Load Resistor | 10 |
Bias Voltage | 0 mV or 250 mV |
MECHANICAL | |
Housing Material | ABS |
Weight | 13 g (nominal) |
Orientation Sensitivity | None |
ENVIRONMENTAL | |
Operating Temperature Range | -20°C to +50°C |
Storage Temperature | 0°C to 20°C |
Operating Pressure Range | Atmospheric ± 10% |
Pressure Coefficient | 0.010% signal / mbar |
Operating Humidity Range | 15% to 90% non-condensing |
LIFETIME | |
Long Term Sensitivity Drift | < 2% signal loss/month |
Expected Operating Life | 3 years in air |
Storage Life | 6 months in original packaging |
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