2 .4 Battery replacement
Place the device with
the display facing
down and tighten the
screws on the
Remove housing.
Replace the top section. Note the 3
sealing rings in the lower section and
the housing seal in the upper section .
2 .5 Protective armour and electrode holder
40
Turn the instrument
with the display
facing upwards.
!
!
Open the upper
section.
Do not touch the circuit
Screw the device back
together.
Do not use too much
pressure!
Insert batteries.
board!
SD_335_1 10/2020