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2
– Installation and Connections
19
Chapter 2
| Installation and
Connections
Power supply
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.
Charging the batteries
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 25/25W.
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 BM 25/25W with the truck-charger or the universal charger
shall be done in non-classified area only.
Содержание BM25
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