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Automatic well sounder “DUA-1”
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4. DEVICE REPAIR
Only qualified personnel of the manufacturer or its official
representatives may repair the product.
5. DEVICE STORAGE
Before putting into operation the product should be stored in a
regular bag in dry heated rooms at ambient air temperature from minus 10
to + 40 C and relative humidity not exceeding 80% at 35 C.
Storage rooms should be free from dust, acid and alkali vapors,
corrosive gases and other harmful impurities causing corrosion.
Battery should be stored separately. To ensure long storage of the
battery you should recharge it to the level of 70% of its capacity once
every six to nine months.
Attention! Charge the battery only at positive temperatures!
6. DEVICE
TRANSPORTATION
The device should be stored in a standard bag in dry heated
premises, at the temperatures from -40 to +50 °С.
Severe shock and vibration are to be avoided during transportation.