TOUCHPOINT

GAS SENSORS AND DETECTORS FOR DETECTING THE PRESENCE OF COMBUSTIBLE AND TOXIC GASES; GAS SENSORS AND DETECTORS FOR MEASURING THE CONCENTRATION OF COMBUSTIBLE AND TOXIC GASES; CONTROLLERS FOR GAS SENSORS AND DETECTORS, NAMELY, CONTROLLERS TO ENABLE THE PROGRAMMING OF GAS SENSORS AND DETECTORS, AND TO PROVIDE AUDIOVISUAL ALARMS, CONTROL OF ALARM LEVEL SETTINGS, ALARM RELAYS, SYSTEM FAULT RELAYS AND GAS SUPPLY CUT-OFF RELAYS