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Hydrogen (H2) Gas Leak Detector
7
○
1
Sensor ○
2
Sensor Protector
○
3
LED Leak Indicators ○
4
Sensitivity Lo Button
○
5
Sensitivity Hi Button ○
6
Reset Button
○
7
Low Battery Indicator ○
8
Power On/Off
○
9
Battery Cover ○
10
Battery Cover Screw
5-2 LED Leak Indicator Definition: