Initial Operation; Power Supply; Gas Path; Instrument Diagram - testo 325-I Bedienungsanleitung

Standard rechargeable batteries or batteries
- Use standard rechargeable battery type (1.5V IEC KR 15/51
in accordance with type AA) or battery type (1.5V round cell,
Testo power unit (0554.0054)
- Ensure good contact of the connection plug in the testo 325-I.
- Operation possible via power unit even with empty
rechargeable batteries/batteries.
(Accumulators cannot be charged in the device)
It is normal for the power unit to heat up. In the event of
excessively high temperatures (e.g. due to a fault in the
instrument) the power unit is protected against overheating
by a thermal protection switch.
Capacity display
Voltage >4.6 V (service life approx. 3 h, at an
ambient temperature of 20°C)
Low Bat
flashing symbol, voltage <4.6 V
Rechargeable battery service life approx. 0.5 h
Battery service life approx. 2.5 h
If the rechargeable battery voltage falls below 4.2 V,
switch off occurs automatically in order to protect
against total discharge.
RG = Flue gas
RG
Gas
Gas
Ausgang
Output
4

Initial operation

Power supply

Low Bat

Gas path

testo
325-I
Kondensatfalle
Condensate trap
Pumpe
Pump
mit Filter Kapillare
Capillary
with filter
P
CO/NO/
SO2
Time
Date
Zeroing phase
Battery capacity
Printer
Pump/Measurement
on/off
Print button
The measured value
shown in the display
is printed.
Cancel/Back
OK button
The menu for setting
the date and time is
activated.
Initial operation

Instrument diagram

Outlet
Filter
Conden-
opening
sate trap
Measured value designation
Measured value
Measurement unit
Pump active
On/off button
Scroll buttons / selection button
With the right arrow button
you can access the variable
parameters in the date/time
menu. Set the parameters with
the up/down buttons.
Power unit
connection
Gas input
5