Operation; Mains Unit / Rechargeable Battery; Changing The Battery - TESTO 330-1 Instruction Manual

E. Operation
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E.1 Mains unit / rechargeable battery
E. Operation
This chapter describes the steps that have to be executed frequently when using the
product.
Please read this chapter carefully. The following chapters of this document will
assume you are already familiar with the content of this chapter.
E.1 Mains unit / rechargeable battery
If the mains unit is connected, the measuring instrument is automatically powered from
the unit. It is not possible to charge the battery in the instrument during operation.
E.1.1 Changing the battery
The measuring instrument must not be connected to a mains socket via the mains
unit. The instrument must be switched off. Change the rechargeable battery within
60 minutes so that device settings (e.g. date / time) are not lost.
1 Place the measuring instrument on its front.
2 Remove the service cover: Take hold of it at the
markings (arrows) using the index finger and
thumb, press slightly, fold up and remove.
3 Open the battery lock: Press the orange key and
push in the direction of the arrow.
4 Remove the battery and insert a new rechargeable
battery. Only use the Testo rechargeable battery
0515 0100.
5 Close battery lock: Press the orange key and push
against the direction of the arrow until the battery
engages.
6 Attach the service cover and engage it in place.