WIKA operating instructions, model CTH7000
EN
19
08/2020 EN/BG
4. Design and function
Charging the battery pack
The CTH7000 battery pack may be charged during instrument use, when the instrument
is off, or when the pack is detached from the CTH7000.
Information
Performance may degrade if the batteries are charged during use.
Please follow the instructions below to ensure that the battery pack is fully charged (LED
charge status is shown in the table below):
■
Turn off power to the adapter before plugging it into the side of the battery pack
■
Switch on the power adapter (DC 6 V), ensuring the LE display flashes orange
■
Leave the battery pack to fully charge. An overnight charge of about 10 hours (for a flat
battery with the CTH7000 off
1)
) will ensure that the pack is fully charged (the actual
time depends on the initial battery state
2)
). Charge time will increase if the CTH7000 is
used during this period.
■
Turn off and remove the power adapter after charging is complete
■
The meaning of the various LE display indications is shown on below
Status LED
LED indication
LED indication
Slow orange flash (1 s)
Trickle charge
Fast orange flash (0.2 s)
Fast charge
Solid green
Charged (trickle charge enabled)
Slow red flash (1 s)
Low battery temperature (trickle charge
enabled)
Solid red
PSU voltage too high
3)
Fast red flash (0.2 s)
Hardware error
4)
1) Allow 5 minutes before use if the batteries are completely flat.
2) Charge times may increase at higher ambient temperatures.
3) Charge times may increase at higher ambient temperatures.
4) Refer to customer services.
4.2.8 Name of plate(s)
The instrument rating plate shows the instruments maximum power consumption and
instrument serial number.
The label on the battery charger shows its operating voltage, current, frequency and
pack’s serial number.
