Oldham MX 2100, Operating And Maintenance Manual

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The MX 2100 is a portable gas detector that can be used in explosive atmospheres in surfa ce industries (Group
II) and in mines containing firedamp (Group I).
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Its basic function is the simultaneous detection of four gases present in the air and this can be extended to six
gases .
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These gases can be explosive, toxic or oxygen.
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1.1. General power supply
The MX 2100 is power-supplied by a rechargeable battery pack (NiMH) or non-rechargeable AAA alkaline batteries.
In normal service conditions, operating autonomy varies according to the configuration (cells) and the power supply
(rechargeable or non-rechargeable batteries) with a standard autonomy of 14 hours.
1.1.1. Recharging of the battery pack
With an intelligent battery charger integrated in the appliance (see the section on CHARGERS).
Average charging time: 2 hours 30 minutes
1.2. Memory saving
A second lithium battery ensures the storage of the MX 2100's specific data, such as when the main battery set is
completely discharged. This lithium battery has an average service life of five years.
IMPORTANT: The appliance is certified for utilization in explosive atmospheres in Groups I and II, and only
when it is equipped with non-rechargeable or rechargeable batteries of a type recommended by the
manufacturer.
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IMPORTANT: The intelligent cell units shall be:
- connected before switching on the MX 2100
- interchangeable outside area.
Non-rechargeable or
rechargeable batteries