Recalibrating/Adjusting Sensors; Modular Flue Gas Probe; Cleaning The Flue Gas Ducts; Replacing The Probe Module - TESTO 320 Instruction Manual

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7 Maintaining the product
After replacing an O2 sensor, wait for an equalisation
period of 15 min to elapse before using the instrument
again. (Production of the supply voltage and initial
stabilization phase for new sensors.)
When retrofitting a sensor, the associated measurement
parameter and unit must be enabled, see Sensor settings,
page 42.
7.5.

Recalibrating/adjusting sensors

See Recalibration/adjustment, page 43.
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.
62
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