Gas concentration detection device

A gas concentration detection device comprises a shell and a circuit board assembly. The shell is provided with a vent hole penetrating through the shell, the gas concentration detection device is provided with an inner cavity, and the vent hole is in gas communication with the inner cavity. The cir...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHANG JIAJUN, HUANG NINGJIE, HUANG LONG-HUNG, CHEN WENQING, KIM KI-HONG, WAN XIA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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