Natural gas alarm SZ-1.1

Signaliser ??-1.1 is designed for control of natural gas (??4) in the air of premises, informing the personnel about emergency situations by means of light and sound signals, as well as issuing a control signal to close the electromagnetic valve.

The alarm device can work together with valves with pulse control 9 - 42 V.

The detector is included in the register of measuring instruments 85041-22

The signalling device received the declaration of the Customs Union of the EAEU N RU D-RU.NX37.V.11442/20 dated 28.10.2020

The detector has additional versions: <ol> <li>??-1.1B - designed only for informing by light and sound signals about exceeding the threshold concentration;</li> <li>??-1.1B - the device is powered by ultra-low voltage 5V (or 12-24V). There is no INPUT connector and VALVE;</li> <li>??-1.1D - the device is powered by ultra-low voltage 5 V (or 12-24 V). There is no possibility to connect the valve</li> </ol>