Toxic gas detecting alarm

The utility model discloses a two-wire-system intrinsically-safe/explosion-proof toxic gas detecting alarm, which comprises an electrochemical sensor circuit, a microprocessor, a temperature sensor, a display, a 4-20mA current signal circuit and a power supply circuit, wherein the output of the elec...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	JIANG SHIQIAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ALARM SYSTEMS INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING ORDER TELEGRAPHS PHYSICS SIGNALLING SIGNALLING OR CALLING SYSTEMS TESTING
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