GW Instek GDM–825 A Series Adjustment Procedure

Model no.
GDM–825XA
NO. Item
Precaution:

1) Precautions before adjustment:

A. Warm up the device for 60 minutes before adjustment.
B. Retain an ambient temperature of 23°C± 2°C, with a relative humidity below 75%.

2) Equipment required:

A. Fluke 5720A+ Fluke 5725A( same level or above)
B. Calibration Key(GDM-01)
Step 1

Manual ADJ MODE

Step 2

ADJ unlock

Step 3

ADJ and SAVE

Adjustment Procedure (Manual procedure)
Document No.
1. Power off.
2. Press and hold "2ND"＋POWER ON.
3. CAL 01 is displayed on the right upper corner. Hexadecimal
encoding value is displayed on the left.
4. Release "2ND" to enter manual ADJ MODE
1. Insert the Calibration Key (GDM-01) into the CAL Key Port on the
rear panel of the GDM-825XA.
1. Push the Up and Down buttons (
CODE.
2. Select a CAL CODE and input the corresponding function signal
(adjustment item). Please refer to Appendix 1 for the CAL CODE
and the corresponding function signal.
3. After inputting the function signal, users need to wait for the Fluke
5720A output signal to be stable. i.e. "u" disappears on the Fluke
5720A. At that time, users can press the AUTO button (
on the GDM-825XA panel to save.
4. When the save is in process, the "＊" will stop flashing. Users
can't proceed to the next step until the "＊" begins to flash.
TO – XX -XXX
Condition
CAL Key RS232C
Page 1 of
) to select the CAL
)