O2-A2 Alphasense Italy Sales
The Alphasense O2-A2 is an electrochemical oxygen sensor for industrial safety monitoring, especially portable and fixed gas detectors. It is a 2-year-life, bias-free A-Series sensor with a 2-pin galvanic interface and fast response.
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Technical Specification
| Manufacturer | Alphasense |
|---|---|
| Model Number | O2-A2 |
| Sensor Type | Galvanic Oxygen Sensor |
| Measurement Range | 0 - 25% Oxygen |
| Output Signal | 0.10 mA to 0.15 mA in air |
| Response Time (T90) | < 15 seconds |
| Baseline Offset (Zero Current) | < 0.6% Oxygen equivalent |
| Linearity | S = 0.9 to 1.1 (linear) |
| Operating Temperature Range | -30 °C to 50 °C |
| Recommended Storage Temperature | 0 °C to 20 °C |
| Operating Humidity Range | 0% to 99% RH non-condensing |
| Pressure Range | 80 kPa to 120 kPa |
| Weight | < 13 g |
| Expected Operating Life | 24 months in air |
| Load Resistor | 100 Ω |
| Long Term Output Drift | < 5% signal loss per 6 months |