Compliance Products USA, Inc
CAL-Fac-001-MP-CDT 240 Rev 2.3
Page 2 of 13
Appendix 1
CDT-240 Factory Calibration Procedure.
1.
Software version verification.
1.1.
When you turn on your CDT the version software appears at the booting screen, please verify with
Compliance West the latest version and update it, if applies.
2.
Power Supply Voltage.
2.1.
Before starting, pull the traveler for the product being calibrated and have a copy ready of CAL-Log-
001-CDT 240, use the specifications given here in the current document instead of mentioned CAL-
Log.
2.2.
Plug in the CDT-240 power cord, plug in the EUT power cord to the proper value (90 – 260V
50/60Hz), disconnect all the test leads attached to G, L or N outputs, disconnect any power cord
attached to the front panel socket. Turn the unit ON, then perform a relay calibration pressing TEST
once is prompt it on the display. Note that the EUT power source could be grounded or floated.
2.3.
Adjust the 5V
DC
output of the power supply to 5.1V
DC
(-0/+0.04V) by turning V
R1
(orange
potentiometer) on the power supply while measuring the output voltage of the supply TP5 (+5V) to
TP6 (AGND) on the main board, in order to locate V
R1
Figure 1. V
R1
location (Red circle).
