TESTO 420 Installation manual
testo 420 · Flow Hood
Startup instruction
2
1 Mounting Standard hood (610x610 mm)
3
1Mounting Standard hood (610x610 mm)
1. Lift the hood at the aluminum frame on
2. Push the support rods through the hood, along the markings
and into the funnel in the measurement base.
3. Push the support rods on the top of the hood into the brackets.
4. Screw together a short and long section of the support rods (4x)
at the silver ends.
5. Push the support rods (4x) through the hood, along the
markings and into the funnel in the measurement base.
6. Push the support rods (4x) on the top of the hood into the
bracket
- The hood is installed.
2 Attaching the measuring instrument
4
2Attaching the measuring instrument
1. Make sure that the testo 420 is fully pushed into the instrument
holder. In doing so, pay attention to the catch on the right-hand
and left-hand side in the bracket.
4 Switching Bluetooth on/off
5
3Switching background illumination
on/off
1. Press .
- The background illumination is switched on/off.
4Switching Bluetooth on/off
1. ▲Hold down for 3 seconds
- Bluetooth is switched on/off.
0970 4201 en 02
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