AD Instruments AD2817C Manual De Usuario página 93

AD2817C Operation Manual
e) Press ▲ or ▼ key to select "CURR" or "VOLT" mode. ("CURR" is DC bias current
mode, and "VOLT" is DC bias voltage mode.)
Note: When bias measurement is performed to test inducator and transformer, it may
cause failure of measurement not to select bias mode.
f) Press ENTER key or
AD2817C has the following bias sources to be selected:
OFF: oV bias source
+2DCV: internal fixed +2V bias source
-2DCV: internal fixed -2V bias source
EXDV: internal adjustable -5V +5V bias source
When "EXDC" is selected, actual bias voltage can be adjusted through bias voltage
adjustment electrograph on the rear panel. And real-time measurement can be performed
on bias voltage monitoring terminal through DC voltage meter at the time of adjustment.
Perform the following steps to select bias source:
d) Select "BIAS" through
e) Press ▲ or ▼ key to select "+2DCV", "-2DCV", "EXDCV" or "OFF".
f) Press ENTER key or
12) DCHR
Perform the following steps to turn on or off discharging test:
d) Select "DCHR" through
e) Press ▲ or ▼ key to select "ON" or "OFF".
f) Press ENTER key or
Figure 4-13 Bias mode
ESC key to exit.
or key, as shown in Figure4-14.
Figure 4-14 Bias selection
ESC key to exit.
or key, as shown in Figure4-15.
ESC key to exit.
Figure 4-15 Discharging switch
28