2 Important Notices on Safety 2-1. Danger cases
- 3 - GX-8000
2
Important Notices on
Safety
2-1. Danger cases
DANGER
About explosion-proof
Do not modify or change the circuit or structure, etc.
When using the gas monitor in a hazardous area, take the following countermeasures for
preventing dangers resulting from electrostatic charges.
(1) Wear anti-static clothes and conductive shoes (anti-static work shoes).
(2) For indoor use, use the gas monitor while standing on a conductive work floor (with a
leakage resistance of 10 MΩ or less).
The battery units that can be connected are the BUL-8000(G) (certificate number TC19437) or
BUD-8000(G) (certificate number TC19438).
The specifications of the gas monitor are as follows:
Pump circuit: Allowable voltage of 4.95 V, allowable current of 1.12 A, and
allowable power of 1138 mW
Combustible gas sensor circuit: Allowable voltage of 4.95 V, allowable current of 0.834 A, and
allowable power of 853 mW
Buzzer circuit: Allowable voltage of 4.95 V, allowable current of 0.431 A, and
allowable power of 441 mW
Main circuit: Allowable voltage of 4.95 V, allowable current of 0.717 A, and
allowable power of 733 mW
Backup circuit: 3.0 VDC, 10 μA
About use
While conducting measurement in a manhole or confined space, do not lean over or look into the
manhole or closed space. It may lead to dangers because oxygen-deficient air or other gases
may blow out.
Oxygen-deficient air or other gases may blow out from the gas exhausting outlet. Never inhale
the air or gases.
High-concentration (more than LEL) gases may blow out. Never use fire near the gas monitor.
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