TESTO 320 - Recalibrating;adjusting sensors; Modular flue gas probe; Replacing the probe module

7 Maintaining the product
61
5. Install new sensor / new bridge in the slot.
6. Push the hose connections on to the sensor/bridge.
7. Refit and close the service cover.
After replacing an O2 sensor, wait for an equalisation
period of 60 min to elapse before using the instrument
again.
When retrofitting a sensor, the associated measurement
parameter and unit must be enabled, see Sensor settings,
page 40.
7.5. Recalibrating/adjusting sensors
See Recalibration/adjustment, page 41.
7.6. Modular flue gas probe
7.6.1. Cleaning the flue gas ducts
✓ Disconnect the flue gas probe from the measuring instrument.
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.
7.6.2. Replacing the probe module
✓ Disconnect the flue gas probe from the measuring instrument.
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