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Product Details:
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| Operating Principle: | 4-electrode Electrochemical | Measurement Range: | 0-1000 Ppm CO |
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| Maximum Overload: | 2000 Ppm CO | Filter To Remove: | H2S |
| Auxillary Electrode: | To Compensate For Hydrogen Cross Interference | ||
| Highlight: | Electrochemical CO Gas Sensor,4 Electrode CO Gas Sensor |
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A7EF AB705-407 Carbon Monoxide CO Gas Sensor 4 Electrode Electrochemical
Document Purpose
The purpose of this document is to present the performance specification of the A7EF Carbon Monoxide gas sensor.
This document should be used in conjunction with the Operating Principles (OP20) and the Product Safety Datasheet
(PSDS 15).
The data provided in this document are valid at 20°C, 50% RH and 1013 mBar for 3 months from the date of sensor
manufacture.
Output signal can drift below the lower limit over time. For guidance on the safe use of the sensor, please refer to
the Operating Principles OP20.
| Sensitivity | 0.10 ± 0.02 µAppm |
| Response Time (T90) | <35 Seconds at 20°C |
| Baseline Offset (clean air) | -2 to +15 ppm CO equivalent |
| Repeatability | 1% of signal |
| Resolution | 0.5 ppm (when used with recommended electronics) |
| Recommended Load Resistor | 10 Ω |
| Bias Voltage | 0 or +250 mV |
| Weight | 25 g |
| Operating Temperature Range | -20°C to +50°C |
| Recommended Storage Temp | 0°C to 20°C |
| Operating Pressure Range Atmospheric | ± 10% |
| Pressure Coefficient | 0.02% signal / mBar |
| Operating Humidity Range | 15 - 90% RH non-condensing |
Contact Person: Xu
Tel: 86+13352990255
