4. Initial operation
4.1 Putting in rechargeable batteries /
batteries
testo 325XL
: Insert and connect rechargeable battery pack. No
other steps are necessary.
testo 325M
: 4 batteries are included, please insert prior to
initial operation:
1 Remove battery cover at rear of instrument.
2 Insert batteries correctly (+/-).
3 Close cover on battery compartment.
Refer to Chapter 6, Setting up on page 15 for information on
how to set date/time, fuel and measurement units.
4.2 Connecting the mains unit
Operation via mains unit (0554 1084) is also possible if the
rechargeable batteries/batteries are spent. It is normal for the
mains unit to heat up. If the temperature becomes too high
(e.g. due to a defect in the analyser), the mains unit is
protected from overheating by a thermal safety switch.
The rechargeable battery block in
testo 325 XL
is recharged
in the analyser when it is switched off and is connected to the
mains (battery symbol flashes during recharging, recharging
stops and battery symbol disappears when rechargeable
battery is full). Conventional rechargeable batteries cannot be
recharged in the analyser.
1 Connect plug to analyser.
2 Connect mains plug to mains.
4.3 Connecting sensors/probes
Flue gas probe (accessory)
1 Connect hose for gas (red) to the socket marked by red.
2 Connect hose for pressure (blue) to the pr socket
(blue).
3 Connect flue gas temperature probe pipe to the FT socket.
Ambient air probe (accessory)
Connect ambient air probe pipe to the AT socket
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