3 Operation
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3.5.5 Volume flow application [Volume Flow]
Use this application to measure the volume flow at the outlet or in a ventilation
system duct. There are different options for this. These mainly differ in the
measuring range and require corresponding probes:
Thermal probes (including temperature measurement and possibly humidity
measurement) for low flow velocities
16 mm vane measuring head (including temperature measurement) for
average flow velocities
Pitot tube for measurements at high velocities and in heavily contaminated
flows with a high particle content
This application menu is accessed by one of the following probes:
Order number Name
0635 1032 Hot wire probe including temperature sensor, fixed
cable
0635 1571 Hot wire probe with Bluetooth
®
, including temperature
and humidity sensor
0635 1572 Hot wire probe with Bluetooth
®
, including temperature
and humidity sensor
0635 9571 Vane probe (Ø 16 mm) with Bluetooth
®
, including
temperature sensor
0635 9572 Vane probe (Ø 16 mm) including temperature sensor,
fixed cable
0635 9371 High-precision vane probe (Ø 100 mm) with
Bluetooth
®
, including temperature sensor
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 405i - thermal anemometer operated by
smartphone and also connected to testo 440
0560 1410 testo 410i - vane anemometer operated by smartphone
and also connected to testo 440
A maximum of 1 Bluetooth
®
probe and one cable probe can be
connected. If two flow probes are connected, the cable probe is used
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