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Technical Specifications：
MEASUREMENT | |
Operating Principle | 3-electrode electrochemical |
Measurement Range | 0-1000 ppm CO |
Maximum Overload | 2000 ppm CO |
Filter | To remove acid gases andhydrocarbons |
Sensitivity* | 0.7 + 0.15 μA/ppm |
Response Time (T90)* | 20 Seconds at 20℃ |
Baseline Offset (clean air)* | <+2 ppm equivalent |
Zero Shift (-40℃ to +50℃)* | < +12 ppm equivalent |
Repeatability | <+3% |
Linearity | Linear<±5% |
ELECTRICAL | |
Recommended Load Resistor | 5Ω |
Bias Voltage | Not required |
MECHANICAL | |
Housing Material | Noryl 110 |
Weight | 5 g(approx.) |
Orientation | Any |
ENVIRONMENTAL | |
Typical Applications | Portable life safety |
Operating Temperature Range: | |
Continuous | -20'℃ to +40℃ |
Intermittent | -40℃to +55℃ |
Operating Pressure Range | 1 atm+ 10% |
Operating Humidity Range | |
Continuous | 15% to 90% RH non-condensing |
INTRINSIC SAFETY DATA | |
Maximum at 2000 ppm | 0.2 mA |
Maximum o/c Voltage | 1.3 V |
Maximum s/c Current | <1.0 A |
LIFETIME | |
Long Term Output Drift | < 5% per annum |
Recommended Storage Temp | 10℃ to +30℃ |
Expected Operating Life | 2 years in air |
Storage Life | 6 months in original packaging |
Standard Warranty | 18 months from date of despatch |
Specifications are valid at 20°c, 50% RH and 1013 mBar, using City Technology recommendedcircuitry. Performance characteristics outline the performance of sensors supplied within thefirst 3 months. Qutput signal can drift below the lower limit over time.
