TELEDYNE OLDHAM SIMTRONICS Everywhereyoulook BM 25A, User Manual

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BM 25A/AW
AREA GAS MONITOR
USER MANUAL
NPB25AEN
Revision D.0
9
2 Installation and Connections
2.1 Power supply
2.1.1 General Information
Power is supplied to the gas monitor through an interchangeable and rechargeable battery
pack (NiMH 7.2 V / 9 Ah). Under normal usage conditions and no radio communication, the
battery life ranges from 40 to 170 hours depending on the configuration (100 hours under
typical configuration: diffusion mode with 1 catalytic or 1 infrared sensor and 2 electrochemical
sensors). For the wireless version, the battery life ranges from 35 to 135 hours (65 hours under
standard configuration).
The gas monitor is approved for use in explosive atmosphere only when it is
equipped with the battery pack type recommended by the manufacturer. Before
changing the battery pack, make sure the instrument is off.
2.2 Charging the batteries
2.2.1 Charger for vehicle (12 to 30 VDC) or 110/230 VAC
universal charger
Insert the male connector (Figure 10, ref. 1) from the charger (ref. 3) into the corresponding
charging port and identified with a red ring (ref. 2) on the BM 25A/AW. Connect the other end
of the power supply (ref. 4) to the power source. Charging time is 4.5 hours with the 110/230
VAC universal charger.
Charging the BM25A/AW with the truck-charger or the universal charger shall be
done in non-classified area only.