MicroTrap™ Operations Manual - Edition 4.4
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3.6 Long Term Storage Considerations
No special procedures, other than those pertaining to the internal battery, should be taken for long term storage of the MicroTrap™ VOD/
Data Recorder. In the eventuality that the MicroTrap™ VOD/Data Recorder remains idle for long periods, it is recommended to recharge
the MicroTrap™ VOD/Data Recorder once per month per the procedure in Chapter 3.4. This will maintain the conditioning of the internal
battery.
3.7 VOD Resistance Probes
The following types of VOD resistance probes are available from MREL and are suitable for use with the MicroTrap™ VOD/Data Recorder:
3.7.1 VOD PROBEROD
The VOD PROBEROD, shown above, is a rigid probe consisting of a high resistance insulated wire placed within a small diameter metal
tube, which acts as the return lead of the circuit. PROBERODs are specifically designed to measure VODs of explosive cartridges and/or
of short sample tubes of explosives, under confined or unconfined conditions. They are available from MREL in a standard length of
0.9 m (3 ft.) and are supplied with two leads, ready to be connected to the inner and outer leads of the RG-58 coaxial cable. The other
end of the RG-58 Coaxial cable is fitted with a BNC connector for attachment to the VOD connector on the MicroTrap™ VOD/Data
Recorder. Contact MREL for additional PROBEROD information and different lengths to suit your needs.
CAUTION
The MicroTrap™ VOD/Data Recorder internal battery should not be overcharged. According to the battery
Manufacturer’s specifications, full battery pack recharging will take up to 10 hours. The Manufacturer also
recommends recharging the MicroTrap™ VOD/Data Recorder at temperatures from 10 to 30 °C (50 to 86 °F).
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