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TESTO 440 - Page 34

TESTO 440
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3 Operation
32
Order number Name
0635 9372 High-precision vane probe (Ø 100 mm) including
temperature sensor, fixed cable
0635 9431 Vane probe (Ø 100 mm) with Bluetooth
®
, including
temperature sensor
0635 9432 Vane probe (Ø 100 mm) including temperature sensor,
fixed cable
0635 1052 Fume cupboard probe, fixed cable
0560 1405 testo 405 i - thermal anemometer operated by
smartphone
A maximum of 1 Bluetooth
®
probe and one cable probe can be
connected. If two flow probes are connected, a cable probe is used for
the funnel volume flow.
Preparing for measurement
1
Press to configure the measurement.
You can set the following parameters:
- Measuring Type: multi-point/timed avg.
- Volume Flow Unit: m
3
/h, cfm, l/s, m
3
/s
- Correction Factor: 1% to 200%
In a multi-point measurement, a mean value is calculated from the
individual measuring values.
In a timed average measurement, a mean value is calculated over a
certain period.
Several points can be measured. This generates a timed average/multi-
point total mean value.

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