7
4.1.6
You can skip any calibration points by pressing “ALARM” button until the unit will exit
and turn off.
4.1.7
Once exit, the unit will default to Normal temperature Mode.
4.2
KTC Software Calibration Check using Temperature Calibrator (Fluke 714 or 5500A/5520A)
4.2.1
Condition the unit to be calibrated in a stable environment as described in 3.1 to ensure
they are in thermal equilibrium.
4.2.2
Set the Fluke714 or 5500A/5520A to be 0°C and “K” type mode.
4.2.3
Connect the KTC cable to Fluke714 or 5500A/5520A. Press and hold the “ALARM”
button, then apply power. Press the “MEASURE” button 4 times. After 5 seconds, the
unit will enter into KTC calibration mode.
4.2.4
Wait 60s for first point to stable and Press the “MEASURE” button to confirm. The next
calibration point 50°C will appear.
4.2.5
Set the Fluke714 or 5500A/5520A to 50°C. Wait for 30 seconds and then press the
“MEASURE” button to confirm. (For retest, the stable time is 10s).
4.2.6
Repeat steps 4.2.4~4.2.5 to complete all calibration points per table below.
Calibration points
Stable time for calibration Stable time for retest
Fluke
0 (Thermocouple)
60s
60s
714 or 5500A/5520A
50 (Thermocouple)
30s
10s
714 or 5500A/5520A
100 (Thermocouple)
30s
10s
714 or 5500A/5520A
250 (Thermocouple)
30s
10s
714 or 5500A/5520A
450 (Thermocouple)
30s
10s
714 or 5500A/5520A
-20 (Thermocouple)
30s
10s
714 or 5500A/5520A
4.2.7
You can skip any calibration
points by pressing “ALM” button
until the unit will exit and
turn off.
4.2.8
Once exit, the unit will default to
Normal Temperature Mode.
