TESTO 300 - Clean Modular Flue Gas Probe

15 Maintenance
101
For NO sensor: Remove auxiliary circuit board.
Do not remove the auxiliary circuit board of the NO sensor until
immediately before installation. Do not leave the sensor without
auxiliary circuit board for longer than 15 minutes.
3
Fit the hose connections onto the new sensor.
4
Fit new sensor into the slot and at the same time fit the hose
connections onto the gas path connections.
Make sure that the socket on the sensor circuit board is
correctly connected to the contact plug.
5
Close the measuring instrument.
15.9 Clean modular flue gas probe
✓
Disconnect flue gas probe from the measuring instrument.
1
Release probe catch by pressing the key on the probe handle and
remove probe module.
2
Blow compressed air through flue gas
ducts of the probe module and probe
handle (see illustration). Do not use a
brush!
3
Fit probe module onto the probe handle and click into place.