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6 Using the product
Function
calibration
humidity
> Cancel configuration menu: press and hold down
configuration mode
view.
6.2.
Measuring
✓ Instrument is switched on.
-
Display of the current CO reading.
> Display humidity and temperature value: press
> Display dew point: press
Delta measurement
✓ Instrument is in measurement view.
> Call up Delta measurement menu: press
changes.
-
Delta measurement is carried out
readings are zeroed as a reference.
> To cancel the function: press and hold down
display switches to the measurement view.
14
Setting options/comments
yes
yes
Humidity values are aligned to the alignment
points 11.3% RH and 75.3% RH and saved.
Switching to humidity, temperature and dew point value is
only possible if a humidity/temperature module is
connected.
or
no
selected:
To adjust to the alignment points, use
the testo Control and alignment set
for humidity sensors (0554 0660).
display switches to the measurement
[
]
briefly.
([
[
]
until the
[
]
briefly.
[
]
until the display
]
lights up). The current
[
]
until the
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