Domestic gas detectors H-220-LPG is intended to monitor concentration of LPG and signal light and sound at excess levels.
LED: green LED - normal operation, red - alarm, yellow - failure
The first time sensor heats 30s. Device gives a double beep sound and lights green LED /normal operation/.
Upon reaching levels above 20% LEL LPG red LED lights, the unit emits a continuous beep. After 5 seconds, the relay output is activated, which stops the gas supply.
Gas detectors allows calibration with standard gas. H-220-LPG meets the requirements of EN 50194.