Global Specialties
Calibration
Humidity
1. Turn the unit off. Pres and hold
MAX MIN, HOLD
and
•c
buttons. While these
buttons are pressed, turn the power on. Release the buttons and all the segments
on the LCD will blink.
2. Within three seconds, press the
'F
and
t.REL
buttons at the same time to enter
the calibration mode.
3. In calibration mode, the humidity reading will blink and "CAL 1" will appear on the
second display.
4. Insert the humidity probe into the standard humidity cavity of 32.8% RH at 25
·c.
Let the system stabalize for 20 minutes then press the
MAX MIN
button to create
the calibration data. If the value is out of tolerance, the meter will beep twice and
remain in "CAL 1" mode. If the value is within tolerance the meter will go directly
into "CAL2" mode and display "CAL2" on the second display
5. Insert the humidity probe into the standard humidity cavity of 75.3% RD at 25
·c
and let the system again stabalize for 20 minutes. Press the
MAX MIN
button
to create the calibration data. The meter will beep twice if the
•
value is out of
tolerance. The meter will exit cal bration mode if the value is within tolerance.
T1 Temperature
1. Turn the unit off. Pres and hold
MAX MIN, HOLD
and
•c
buttons. While these
buttons are pressed, turn the power on. Release the buttons and all the segments
on the LCD will blink.
2. Within three seconds, press the
'F
and
HOLD
buttons at the same time to enter
the calibration mode.
3. In calibration mode, the temperature reading will blink and "CAL 1" will appear on
the second display.
4. Insert the probe into the standard chamber of 0
·c
(32 'F). Let the system
stabalize for 20 minutes then press the
MAX MIN
button to create the calibration
data. If the value is out of tolerance, the meter will beep twice and remain in
"CAL 1" mode. If the value is within tolerance the meter will go directly into "CAL2"
mode and display "CAL2" on the second display
5. Insert the humidity probe into the standard chamber of 40
·c
(104' F) and let the
system again stabalize for 20 minutes. Press the
MAX MIN
button to create the
calibration data. The meter will beep twice if the value is out of tolerance. The
meter will exit calibration mode if the value is within tolerance.
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