4
6
5
8
12
11
14
Air velocity sensor.
1
Temperature and RH sensor.
2
Telescoping probe.
3
Display.
4
Power key : Push
5
H Hold key : Push H Hold key to freeze or unfreeze the display reading.
6
In H mode, push "VEL %RH" key to select the desired unit of display.
TMA-21HW Hot-Wire Anemometer
power key to turn the meter on or off.
7
9
10
13
15
16
15
1
17
2
3