TESTO 883 - Maintenance; Charging the rechargeable battery; Changing the rechargeable battery

12 Maintenance
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12 Maintenance
12.1 Charging the rechargeable battery
1
Open the cover of the interface
terminal.
2
Connect the charging cable to the
USB-C port.
3
Connect the mains unit to a mains
socket.

The charging process starts.
If the battery has been completely drained, the charging time is
approx. 6 hours with the mains unit supplied.

The charge status is not displayed while the instrument is switched off.
4
Switch on the instrument to call up the charge status.
12.2 Changing the rechargeable battery
WARNING
Serious risk of injury to
the user and/or destruction of the instrument
> There is a risk of explosion if the battery is replaced with one that is the wrong
type.
> Dispose of spent/faulty batteries in accordance with the relevant legal
specifications.
1
- Press and hold down until the
progress bar on the display is
complete.

The display goes off.