ADInstruments AD2811 Manual page 14

10. Battery
Battery Replacement
● The Tester continuously monitors the battery voltage and indicates when the battery need to be replaced.
● The tester's batteries are situated under the test.
● Disconnect the test leads from the instrument, remove the battery cover and the batteries
● Replace with eight 1.5V AA pen light batteries, taking care to observe correct polarity.
● Alkaline batteries are recommended.
● Replace battery Holder and the battery cover
11. Calibration & Servicing
Both, calibration and servicing must be performed by a competent trained and approved person.
Contact your nearest authorized distributor about Calibration Certificate and Servicing.
Before returning the Instrument, ensure that:
● the leads have been checked for continuity and signs of damage.
● the batteries are in good condition
● Cleaning and storage:
To avoid electrical shock or damage to the meter, do not get water inside the case.
Periodically wipe the case with a damp cloth and detergent; do not use abrasive or solvents.
If the meter is not to used for periods of longer than 60 days, remove the batteries and store them separately.
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