Page 26 of 127
Operating Manual
OMGEM5KN – Iss. 5.1
Copyright – Geotechnical Instruments (UK) Ltd
Storage
The analyser should not be exposed to extreme temperature. For example, do not keep the analyser in a hot car.
When not in use analysers should be kept in a clean, dry and warm environment, such as an office and protect
the analyser with either the soft carry case or store in the hard carry case provided with the instrument.
The instrument should be discharged and fully charged at least once every four weeks, regardless of indicated
charge state.
Battery/charging
The battery used in the 5000 series of gas analysers is nickel metal hydride and manufactured as a pack from six
individual cells. This type of battery is not so susceptible to the top-up charging ‘memory effects’ as nickel
cadmium batteries, although it is not recommended that the unit is given small top-up charges.
Note: To reach optimum charge, it is recommended that the instrument is switched off when being charged
and remains switched off during the charging process.
A full charge will take approximately 4 hours from a fully discharged battery.
The battery charger is NOT covered by the Ex certification. The battery must be charged only in a
safe area.
The battery charger is intelligent and will indicate when the unit is charging and charged.
The instrument must be charged ONLY using the battery charger supplied with the instrument. The battery
charger supplied is intended for indoor use only. Please ensure adequate ventilation whilst charging. Typically, a
fully charged battery will last 7-8 hours. A quick 30 minute charge can be used to give approximately one hours
use in the field but this may shorten the battery life. Temperature can dramatically affect the battery life; please
take this into account when estimating battery life.
Note: Connect the charger to the mains attaching the appropriate adaptor.
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