User Manual

6) a. Slide the sensor cover to the down position, let the air

velocity sensor to contact the air, refer Fig. 3.

b. Extent the telescope probe to the convenient length,

refer Fig. 4

air velocity sensor

( do not touch by

fingers or tools )

" Sensor cover "

slide to the low

position when

make the

measurement

Probe Handle

Fig. 3 Fig. 4

Caution !!!

Do not use the fingers or any tools to

touch the air velocity sensor, otherwise

the meter may have permanent

damage.