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Making Measurements
Temperature:
1.
Connect the sensor to the instrument.
2.
If the instrument is OFF, press and hold down the
The instrument displays the current time, followed by the measurement(s). (Wait
for the display to stabilize before reading the measurement.)
Temperature Difference (Model 1822):
When the Model 1822 is connected to two sensors, it displays both measurements, with
T1 at the bottom and T2 at the top. You can display the difference between the sensor
measurements by pressing the
temperature difference, labeled T1-T2. A second press of
MAX MIN:
1.
Press the MAX MIN button. The words MIN MAX appear at the top of the LCD.
2.
Press MAX MIN to display the maximum value measured during the current
session.
3.
Press MAX MIN to display the minimum value.
4.
Press MAX MIN to restore normal display.
5.
Subsequent presses of MAX MIN repeat this cycle.
6.
To exit MAX MIN mode, press the MAX MIN button for >2 seconds.
Note that when using the Model 1822 in MAX MIN mode, the
HOLD:
In normal operation, the display updates measurements in real time. Pressing the HOLD
button "freezes" the current measurement and prevents the display from updating.
Pressing HOLD a second time "unfreezes" the display.
Recording Measurements
You can start and stop a recording session on the instrument. Recorded data is stored in
the instrument's memory, and can be downloaded and viewed on a computer running the
DataView Data Logger Control Panel. You can record data by pressing the
A short press (MEM) records the current measurement(s) and date/time.
A long press (REC) starts the recording session. While the recording is in
progress, the symbol REC appears at the top of the display. A second long press
of
stops the recording session. Note that while the instrument is recording, a
short press of
To schedule recording sessions, and download and view recorded data, see the
Data Logger Control Panel Help.
OPERATION
button. The T2 measurement is replaced by the
has no effect.
5
button until it turns ON.
restores the T2 measurement.
button is disabled.
button:
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