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HygroPort I.S. User's Manual
Connect an AC power supply, 110-240 V, 47-63 Hz, to the battery charger unit.
NOTE: The HygroPort I.S. instrument does not need to be switched on in
order to charge the battery.
The battery charger supplied is a "Smart" charger.
WARNING: Only use the charger supplied with the
HygroPort I.S. The use of any charger other than that
!
supplied with the HygroPort I.S. will invalidate the
product warranty.
When initially connected, a charge indicator LED, located on the top of the charger, slowly
flashes yellow, indicating that the charger has entered a pre-charge cycle.
After a short period this indicator starts to rapidly flash green, indicating that a fast charge
cycle (approximately 2 hours), is now in progress. As the battery approaches full charge,
"
"
the LED starts to flash green, more slowly, indicating that a
topping-off
charge is now,
being applied.
At the end of the topping-off charge, the charge indicator LED assumes a steady green
state, indicating that the battery charge cycle is now complete. Turn off the AC power
supply, remove the charger unit and close the instrument's charge connector protection
cover.
A battery that has been discharged to the point of audible warning will be 50% charged
after 30 minutes or fully charged after approximately 2 hours.
Upon completion of charging, reposition the sealing cover and tighten the retaining
screw.
Issue 6, December 2019
29
Kahn Instruments
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