SERVICING - Section 8
8-4 MTS-1700 SERIES OPERATION AND REFERENCE MANUAL
MANTA TEST SYSTEMS
CU A002 15A
4. Select OTHER SERV CALIBRATION SAVE to save the calibration factors in non-volatile memory so
that these new calibration factors will be remembered when the MTS-1710 is powered up next time. Or,
send the CAL3 command via the RS232C interface.
Note: If you’re performing all calibrations, only one SAVE operation at the very end is required.
8.4.3 AC Current I3 Generation Calibration
This only applies for test sets with a MTS-1720.
1.
Remove all loads from the current output terminals.
2.
Set dynamic measurement mode to RMS (see section 5.1.1). Select I3-WYE current mode, and a A-N
Fault Mode. Then connect an external reference ammeter to the I3 OUTPUT A-N terminals.
3.
Select Static fault mode. Press and hold [CURRENT], adjust to 10.000A and then release [CURRENT].
4.
Select Dynamic fault mode and press [FAULT].
Select OTHER SERV CALIBRATION GENERATION IA in the menu. Turn the [MODIFY] knob to
adjust the calibration factor until the reference meter reading is 10.000A ±0.025A.
Press [SELECT].
5. Press [STOP]. Connect an external reference meter to the I3 OUTPUT B-N terminals.
6.
Select B-N and press [FAULT].
Select OTHER SERV CALIBRATION GENERATION IB in the menu. Turn the [MODIFY] knob to
adjust the calibration factor until the reference meter reading is 10.000A ±0.025A.
Press [SELECT].
7. Press [STOP]. Connect an external reference meter to the I3 OUTPUT C-N terminals.
8.
Select C-N and press [FAULT].
Select OTHER SERV CALIBRATION GENERATION IC in the menu. Turn the [MODIFY] knob to
adjust the calibration factor until the reference meter reading is 10.000A ±0.025A.
Press [SELECT].
9.
Select OTHER SERV CALIBRATION SAVE in the CAL menu to save the calibration factors in non-
volatile memory so that these new calibration factors will be remembered next time the MTS-1720 is
powered up. Or, send the CAL3 command via RS232 interface.
8.4.4 VDC VOLTAGE GENERATION CALIBRATION
This applies only to units with the DC option installed.