Teledyne LXT-280 - Manual (Page 36)

Calibration LXT-280
Teledyne Analytical Instruments 26
3. Magnetically activate the RIGHT HORIZONTAL ►arrow key
and observe the cursor briefly move to the right and the full scale
millivolt value changes to –400.0. The default setting is
complete.
4. Verify the calibration by observing a .0 calibration point at –400
mV/FS.
4.9 Output Calibration
The Output Calibration screen is used to define the 4-20 mA range
for the measurement. The values in the menu are in the units being
measured. Maximum ranges are 0-200 % and 0-20 ppm.
To change or expand the 4-20 mA range, use the following
procedure.
Procedure:
1. Magnetically activate the appropriate VERTICAL▲/▼ arrow
key to reach the Output Calibration Menu.
2. Position the cursor on the top line to change the 4 mA point or
the bottom line to change the 20 mA point.
3. Magnetically activate the RIGHT HORIZONTAL ► arrow key
to enter the calibrate mode.
4. To change the value, position the cursor under the desired digit
using the left LEFT HORIZONTAL◄ arrow key.
5. Increase or decrease the value by magnetically activating the
appropriate VERTICAL ▲/▼ arrow key.
6. When the desired value is reached, save the calibration and exit
the calibrate mode by magnetically activating the LEFT
HORIZONTAL ◄ arrow key until the cursor is all the way to
the left.
2 DO .0
Cal -400.0