Observe that the required indicators on the unit under test illuminate, then
withdraw the probe from the right hand terminal, then the left.
If the PD690 power on indicator fails to illuminate, check the condition of the
batteries and replace if required (see paragraph 4.1).
4. MAINTENANCE
4.1 Battery Replacement
Remove the rear battery cover by unscrewing the large plated screw at the end of
the cover. The screw is captive but once it is loose the cover can be slid
downwards beyond the bottom end of the unit and lifted clear.
Fit 6 new LR6 (MN1500) 1.5V alkaline batteries, observing correct polarity.
Replace the battery cover by positioning it into the rear casing slots and slide
upward into position, then tighten screw. Do not over-tighten.
4.2 Cleaning
After removal of the batteries the PD690 may be cleaned using a soft damp cloth
and mild detergent. Do not use abrasives or solvents.
4.3 Repair & Service
There are no user serviceable parts in this unit. Return to Martindale Electric
Company Ltd if faulty.
4.4 Storage Conditions
The PD690 should be kept in dry conditions away from direct sources of heat or
sunlight, with the batteries removed and in such a manner as to preserve the
working life of the PD690. It is strongly advised that the unit is not kept in a tool
box where other tools may damage it.
Martindale Electric Company Limited
Metrohm House, Penfold Trading Estate, Imperial Way, Watford, WD24 4YY, UK.
Tel: +44(0)1923 441717 Fax: +44(0)1923 446900
E-mail: [email protected]
Website: martindale-electric.co.uk
Martindale Electric Company Ltd. Registered in England No. 3387451. Rev 1
.
Proving Unit
INSTRUCTIONS
MARTINDALE
E L E C T R I C
PD690
