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SG500 - Natural Gas Methane Sensor
Product Code: SGM500
![SG500 - Natural Gas Methane Sensor](https://images.findtheneedle.co.uk/findtheneedle/products/4887044.jpg)
When the SG500 senses the presence of gas it sends a 4-20mA signal to the detector proportional to the level of gas. The detector then operates a pre-alarm relay - used for remote sirens or visual indicators. If the level of gas continues to rise then the main alarm relay is activated to break the electrical supply to a safety shut off valve and is fixed at 20% LEL of natural gas.
For more information on SG500 - Natural Gas Methane Sensor talk to Duomo (UK) Ltd
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