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18
2. Offset Value
The measured value is displayed in the screen when it exceeds the
offset value.
In the main menu select “2. Offset value”
1.
The [OFFSET VAL.] screen shown on the right will
be displayed.
(The default setting value is 0 ppm
·
m)
2.
Select a value with the
▲▼
buttons for the 100’s
digit, and then press the Menu/Enter button.
❖
To leave the value as indicated just press the Menu/Enter button or
Display/Back button as is.
3.
Likewise, select a value for the 10’s digit, and 1’s digit.
4.
Once the setting for the 1’s digit is completed, the buzzer sounds twice
to indicate that the setting has been accepted.
5.
[OFFSET] is shown on the bottom of the display.
❖
The set value will not be reset when the power is switched off.
❖
The offset values can be set up similarly for the other measuring units.
(See “7. UNIT” in this section.)
❖
If you enter the offset values greater than the maximum values, the setting
screen is not closed, and the offset value is not set. The maximum values
for each measuring unit are shown below.
UNIT
Maximum Value
ppm·m
500
Vol%·m
0.05
%LEL·m
100%LEL·m = 4.4 vol%·m
1.1
100%LEL·m = 5.0 vol%·m
1.0