Differential Pressure; Differential Temperature - TESTO 300 Pro Smoke Edition Manual

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9.6.6 Differential pressure

Dangerous mixture of gases!
Danger of explosion!
- Make sure there are no leaks between the sampling point and the
measuring instrument.
- Do not smoke or use naked flames during the measurement.
The gas pressure kit (0554 1203) must be connected.

For an instrument with no dilution option: The minus connection for

differential pressure measurement must be depressurized at the start of
the measurement (ambient pressure, instrument not connected to
system being checked), since the pressure sensor is zeroed.
1
Call up function: |
2 Tap Differential pressure.
3
Start measurement: tap

Zeroing the pressure sensor.

Reading is displayed.
4
End measurement: tap

9.6.7 Differential temperature

The differential temperature kit (0554 1208) or two external temperature

probes must be connected.
1
Call up function: |
2
Start measurement: tap

The readings and the calculated differential temperature
are displayed.
3
End measurement: tap
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9 Performing the measurement
WARNING
Differential pressure
.
.
Differential temperature
.
.
ΔT (T1 - T2)
51
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