Flue Gas, Flue Gas + M/S, Flue Gas + Dp2 - TESTO 340 Instruction Manual

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G.2 Measurements
G.2.1 Flue gas, Flue gas + m/s, Flue gas + p2
The fl ue gas menus are the central measurement menus in which - in addition to the
readings measured with this function - the readings of all measurements carried out are
displayed (if this is selected in the
printed out from these menus.
The fl ue gas menus are always available, regardless of which sensors are connected.
Measuring functions of the three fl ue gas menus:
· The Flue gas function enables fl ue gas to be measured.
· The function enables fl ue gas to be measured in addition to fl ow speed
Flue gas + m/s
(+ air/mass fl ow calculation) by means of a Pitot tube (the connection cable for the
straight Pitot tube thermocouple should not be connected to the instrument probe
socket).·
· The Flue gas + p2 function enables fl ue gas to be measured in addition to differential
pressure measurement.
After measurements with high concentrations and longer measurements, the instru-
ment should be rinsed with fresh air in order to enable the sensors to regenerate, see
Chapter Recommended rinsing times, p. 57.
For fl ow speed measurement. Before beginning measurement, confi gure the location
settings (Pitot tube factor and correction factor), see chapter Location, p. 23.
Do not measure for longer than 5 min, as the drift of the pressure sensor means that
the readings could be outside the tolerance limits.
Calling up the function:
Measurements OK
 
-or-
Measurements OK
 
-or-
Measurements OK
 
- Possibly: gas zeroing (32 s).
For the functions
Flue gas + m/s
Depressurise the pressure sensor and carry out pressure zeroing with
If no fuel has yet been selected:
Select the fuel  OK .
www.
Display edit menu). All readings can also be saved in or
Flue gas OK .
 
Flue gas + m/s OK .
 
Flue gas + p2 OK .
 
and :
Flue gas + p2
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