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Measurement menu
1 sec
Function menu
Select "Delta T"
Measurement menu
D D e e l l t t a a T T
Differential temperature
T T 1 1
Differential temperature measurement
Measurement with control unit + temperature probe
Before switching on the testo 300 XXL, connect the
temperature probe!
For pure temperature measurement, e.g. supply / return
temperature
The testo 300 XXL control unit has a multi-probe input.
1 Activate the function menu with the
the function keys. Select the function key
with
2 Measure T1: Press function key
3 Measure T2: Press function key
4 Display of the measured differential temperature value
Measurement with control unit + analyser box + 2
temperature probes
Device selection: flue gas measuring box
1 Configure function key with
2
display of the current value of Temp.1 (probe
DeltaT
connection), Temp.2 (flue gas probe connection) and the
differential temperature.
Display
Temp. 1
T T 2 2
Display
Temp. 2
Example measurement
with the control unit
and confirm with
T1
T2
DeltaT
T 1
T 2
Measurement menu
key and one of
DeltaT
.
.
.
(see above)
4 4 9 9 . . 8 8
1 1 5 5 . . 4 4
3 3 4 4 . . 4 4
27
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