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ESR70 User Guide
Care of your ESR70
The ESR70 should provide many years of service
if used in accordance with this user guide. Care
should be taken not to expose your unit to
excessive heat, shock or moisture. Additionally, the battery
should be replaced at least every 12 months to reduce the risk of leak
damage.
** Warning **
Low Battery
Immediate replacement of the battery is EXTREMELY IMPORTANT as the
built-in protection mechanism may not function correctly if the battery
condition is poor and therefore render your unit susceptible to damage from
even low energy charged capacitors.
The ESR70 will not operate if a low battery condition is encountered.
New batteries can be purchased from many retailers and directly from Peak
Electronic Design Ltd or an authorised agent.
Battery type: AAA cell (Alkaline, NiMh or Lithium-Iron-Disulphide).
Battery access: To replace the battery, place the unit face down on a clean
smooth surface and unscrew the three screws to remove the rear panel.
Remove the old battery and insert a new one, take care to observe the correct
polarity. Carefully replace the rear panel and ensure that you do not pinch the
test leads. Do not over-tighten the screws.
If a low battery warning message
appears, replacement of the battery is
essential.
Page 13
November 2021 – Rev 14
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