Exit From Calibration Mode And Non-Volatile Input Offset Adjustment - Fluke 8508A User Manual

8508A
Users Manual
Initial Setup and Connections
1. Press the
2. Confirm that the 8508A is configured for internal guard (External Guard is
3. Ensure that the calibrator output is set to
4. Connect the Calibrator to the 8508A as shown above.
5. If required, connect the calibrator rear panel phase lock input to a 1MHz reference
Procedure
1. On the calibrator select 1V 1MHz, Operate.
2. On the 8508A, Press
3. Select
4. On the Calibrator, set

Exit From Calibration Mode and Non-Volatile Input Offset Adjustment

Use the following procedure to perform non-volatile input offset adjustment on all DCV
and resistance ranges (including LoI, 2-wire, and 4-wire) for the front and rear inputs.
Initial Setup and Connections
1. Press the
2. From the
3. The instrument will exit from
4. Disconnect all calibration leads and connect a 8508-7000K precision 4-wire short
Procedure
Omit step 4 if the instrument is not fitted with rear input terminals.
1. Press the
2. Press the
3. From the INPUT menu select
4. From the INPUT menu select
5. Press the
6. Press the
7. Press the
6-28
key, select the
ACV
deselected) by checking that the
display.
Guard ( is deselected).
EXT GRD
frequency and enable phase locking via the front panel menus.
CAL
to initiate the calibration operation.
Freq
Calibration is complete when the Busy legend goes out.
STANDBY
key and select
CAL
menu select
CAL DUE ?
extinguish, and he right-hand display will revert to the currently selected function
menu.
device to the front input terminals and also, if fitted, to the input terminals as shown
above.
key
DCV
key and select
INPUT
ranges.
key and select the 2
key and select
CONFIG
key and select
CONFIG
range.
2 V
legend does not appear on the left-hand
Ext Grd
STANDBY
to enter the
CALIBRATION
.
.
Quit
Quit.
mode, the
CAL CAL
.
Front
to perform zero offset adjustment on all
Zero Func
. Repeat step 3.
Rear
range.
, and
Filt LoI 4w
. Repeat steps 3 and 4.
2w
and configured for Internal
menu, and select
SPCL
legend on the main display will
. Repeat steps 3 and 4.
.