This manual introduces the important information about Net Safety SC311 infrared combustible gas sensor, including installation, operation and maintenance
The Net Safety SC311 is an infrared combustible gas sensor designed specifically for use with the Net Safety Millennium II transmitter series (models M21, M22, or M2B). It features a replaceable sensor module housed in an explosion-proof enclosure made of 316 stainless steel or aluminum. The device supports both direct mounting on the transmitter and remote mounting configurations.
| Voltage range | 10.5 to 32 Vdc |
|---|---|
| Detection range | 0-100% LEL |
| Accuracy | ± 5% LEL or 10% of applied, whichever is greater |
| Zero drift | < 5% full scale per year |
| Operating temperature (Stainless steel) | -40 °F to +167 °F (-40 °C to +75 °C) |
| Weight (Aluminum housing) | 1 lb. (0.4 kg) |
The sensor is designed specifically for use with the Net Safety Millennium II transmitter models M21, M22, or M2B.
The sensor requires calibration every 12 months.