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2.4 Battery replacement
!
Place the device with
Turn the instrument
Open the upper
Insert batteries.
the display facing
with the display
Do not touch the circuit
section.
down and tighten the
facing upwards.
board!
screws on the
Remove housing.
!
Screw the device back
Replace the top section. Note the 3
together.
sealing rings in the lower section and
Do not use too much
the housing seal in the upper section.
pressure!
2.5 Protective armour and electrode holder
40
SD_335_1 05/2023
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