6
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MAX/MIN Function
1. Press the
MAX/MIN
button to access Maximum and Minimum modes.
2. When pressing the
MAX/MIN
button once, the MAX Indicator will
appear on the display. The maximum temperature and maximum
humidity values are displayed and will automatically update when
new maximum data values are measured.
3. Press the
MAX/MIN
button again and the MIN indicator appears on
the display. The minimum temperature and minimum humidity values
are displayed and will automatically update when new minimum data
values are measured.
4. Press the
MAX/MIN
button a third time and both the MAX and MIN
indicators will blink continuously. The Maximum & Minimum values
will automatically update in the Max/Min memory while the current
temperature and humidity measurements are displayed. To view
the Max/Min measurements during this mode press the
MAX/MIN
button at any time to toggle through stored measurements.
5. To exit MAX/MIN mode and resume normal operation, press and hold
the
MAX/MIN
button for two seconds.
Note:
When in MAX/MIN mode, the REL and °C/°F buttons are disabled.
Auto Power Off
To preserve battery life, the meter is programmed to turn itself off after
30 minutes of inactivity. To disable this feature, press and hold the
HOLD
button while powering on the meter. When the meter turns on, release both
buttons simultaneously. The Auto Power Off indicator will not appear on
the display, confirming this feature is now disabled. If the meter is turned
off then back on, the "Auto Power Off" feature will be enabled again.
Humidity Calibration Procedure
In order to calibrate the meter humidity calibration standards are required
(REED R9933, R9975 or R9980). If the meter has been exposed to
extreme conditions or it has not been used in a long period of time the
meter should be calibrated by following steps 1 through 6 below.
1. Turn the meter off.
2. Press the HOLD, °C/°F, and power buttons simultaneously and release.
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