PUMP-ASPIRATED CONFINED SPACE GAS MONITOR
Four-gas aspirated monitor · enclosed space pre-entry testing
00:00:00
EXIT HELP
SYSTEM CONTROLS
PRE-START CHECKS AND FRESH AIR ADJUSTMENT
SAMPLE LINE probe → hose → sensor block
BlueSim PGM-4A
♥ ✳ --:--
CH4 %LEL 0
O2 vol% 20.9
CO ppm 0
H2S ppm 0.0
GAS IN GAS OUT

Hold POWER three seconds to switch on. Hold AIR in clean air to run the fresh air adjustment. DISPLAY opens PEAK / STEL / TWA / PUMP. RESET clears a latched alarm — but only once the gas has actually gone.

SYSTEM GAUGES
CHECKLIST
ALARMS

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