Regular Maintenance; Switching Off - TESTO 325M Instruction Manual

5. Basic instructions
14

5.5 Regular maintenance

Check the level in the condensate trap
Condensate trap overflowing
Damage to pump and measuring cells
Check the level in the condensate trap prior to every
measurement: Hold the instrument horizontally or
Caution
vertically. The condensate trap should be emptied once
the MAX level has been reached (See 8.2 Emptying the
condensate trap, P. 23)!
Check the state of the filter
Filter dirty
Damage to pump!
The state of the filter should be checked on a regular
basis: change the filter when clogged (See 8.3
Caution
Changing the filter, P.24).
Rinse measuring cells
The measuring cells should be rinsed with fresh air after each
measurement :
1 Remove flue gas probe from flue gas duct.
2 Start pump using
3 Wait until the O
2
below 50ppm.
4 Press to stop pump.
You will find more information about servicing and maintaining
your analyser in Chapter 8. Maintenance, P.23!

5.6 Switching off

The readings stored in the instrument are lost when the
analyser is switched off.
In the case of error messages, refer to "Troubleshooting" on
page 29.
Switch off analyser using
- The analyser automatically rinses the measuring cells if the
O level drops below 20% or the CO level exceeds 50ppm
2
OFF
- is displayed for 5s
off), the analyser then switches off.
.
level is above 20.0% and the CO level is
.
(press to discontinue switch-
.