HTA105
EN - 6
4.4. INSTRUMENT
SETTINGS
The instrument allows programming the following functions:
Measuring unit of the area of the duct in volumetric flow rate measurements
Size of the duct in volumetric flow rate measurements
Disabling the Auto Power OFF function
1. Turning on the instrument by means of key
ON/OFF
2. Press and hold (>2s) key /
SET
to enter the setting mode. The screen with the
indication of the currently set measuring unit of the area of the duct is shown on the
display (see Fig. 3)
Fig. 3: Setting the measuring unit of the area of the duct
3. Press key
ENT
. The unit flashes on the display
4. Press keys
UNIT
or
UNIT
to select the desired measuring unit among the options:
in
2
,
m
2
or
ft
2
5. Press key
ENT
to confirm. The screen in Fig. 4
–
left side is shown on the display
Fig. 4: Setting of the value of duct area
6. Press key
ENT
. The value of area flashes on the display. Press keys
UNIT
or
UNIT
to move the decimal point to the desired position and confirm with
ENT
. The
value of the last digit set flashes on the display
7. Press keys
UNIT
or
UNIT
to set the value of duct area in the range:
0.001 ÷ 9999
by proceeding from right to left and pressing key
ENT
to confirm each digit (see Fig. 4
–
right side) relevant, for example, to a square duct with a side of 1.5m x1.5m)
8. Press key
ENT
at the end, to confirm the value of duct area. The following screen (see
Fig. 5) is displayed.