![background image](http://html.mh-extra.com/html/omega/cl23a/cl23a_user-manual_737660038.webp)
32. Press the
SENSOR SELECT
function button. The sensor type will change to
type C. A “C” will appear momentarily in the center of the display. “600.0” will
then appear in the center of the display and both the “T” and “R” will appear
along the top row of the display.
33. Press the
CHANGE
function button. The “600.0 °F” display will blink, and
“NUM” will appear on the display.
34. Press
3 2 0
buttons and then press
ENTER
function button. “NUM” will dis-
appear and “32.0 °F” will appear, not blinking. The voltmeter should read
0.000 mV.
35. Press the
SENSOR SELECT
function button. The sensor type will change to
type D. A “d” will appear momentarily in the center of the display. “32.0” will
then appear in the center of the display and both the “T” and “R” will appear
along the top row of the display. The voltmeter should read 0.000 mV.
36. Press the
SENSOR SELECT
function button. The sensor type will change to
type K. The “T” and the “R” will disappear from the display and a “K” will
appear on the display. The voltmeter should read 0.000 mV.
37. Press the
OFF
function button. The unit will turn off.
38. Press the
ON
function button. The unit will power up and return to the cali-
brator mode. “CALIB” will appear on the display along with the “K” enuncia-
tor, the “OPR” enunciator, and “32.0 °F” will be displayed. The blinking “
Ω
”
symbol will have completely disappeared indicating that you have exited the cop-
per mode.
39. Remove the
Copper Mode Calibrator Verification Cable from both the voltmeter
and the CL25
.
40. The copper mode verification is now complete. Press the
OFF
function button to
turn the unit off.
ALLOY MODE VERIFICATION PROCEDURE FOR THERMOCOUPLE
FUNCTIONS
Equipment Required:
1. OMEGA Model to be verified.
2. Precision
temperature simulator / voltage source.
3. Voltmeter accurate to 1µV resolution.
4.
Cable assembly.
1. Start your calibration with a fresh battery.
2. Press the
ON
function button to turn the unit on.
36