TESTO 330 User Manual

7 Maintaining the product
77
7.5. Cleaning the modular flue gas probe
✓ Disconnect the flue gas probe from the measuring instrument
prior to cleaning.
1. Release the probe catch by pressing the key on the probe
handle and remove the probe module.
2. Blow compressed air through the flue gas ducts in probe
module and probe handle (see illustration). Do not use a brush!
3. Fit a new probe module on the handle and engage in place.
7.6. Replacing the probe module
✓ Disconnect the flue gas probe from the measuring instrument
prior to cleaning.
1. Press the key on the top of the probe handle and remove the
probe module.
2. Plug in the new probe module and engage it in place.

TESTO 330 Specifications

General

Protection class	IP40
O2 measurement range	0 to 21 % O2
CO measurement range	0 to 4000 ppm
Measurement parameters	O2, CO, CO2
Resolution	0.1 % O2
Storage temperature	-20 to +50 °C