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TESTO 327 - Specific measurement functions

TESTO 327
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Using the product 15
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highest flue gas temperature), the flue gas temperature measured is
shown graphically.
Do not measure for longer than 5 minutes, as the readings may fall
outside of the tolerances due to a possible drift of the pressure sensor.
Smoke/Oild function: Only available if a liquid fuel has been activated.
Diff-temp. function: The differential temperature set (0554 1208)
must be connected. The ambient air sensor must be unplugged (located
bottom left of unit) before connecting the T1 sensor. Be aware that the
connector is a firm fit, when disconnecting.
The differential temperature is calculated from T1 - T2.
Diff-press function: The gas pressure set (0554 1203) must be connected.
The pressure sensors are zeroed when the Diff.-press function is started
(length of time: 5 s). The measuring instrument must not be pressurised
during zeroing!
Do not measure for longer than 5 min, as a drift of the pressure sensor
may result in readings outside the tolerance limits.
Ambient CO: When the measuring cells are first started after the measuring
instrument is switched on, they are zeroed (length of time: 30 s).
Exception: The Flue gas function has already been called up.
Any connected probe must be in the open air during the zeroing phase!
The measurement values from the functions Draught, Diff.-temp., Diff.-press
and Smoke/Oild are transferred to the the central measurement menu Flue
gas and must therefore be carried out before the flue gas measurement.
Flue gas function:
1 Start the measurement with the Start function key.
- The current readings are displayed.
Ensure flue is at normal operating temperature and the readings are steady,
before accepting flue gas measurements.
2 Stop the measurement with the Stop function key.
Let by and tightness function:
- The time value is blinking.
1 Set measuring time (from 1 to 15 minutes) using / and confirm with
the Start function key.
- The message Z
eroing without operating pressure is displayed.
- After zeroing, the message A
ttach to the system and start is displayed.

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