Cal Due Date Entry And Calibration Mode Disable; Acv Spot Frequency Calibration - Fluke 8508A Service Manual

8508A
Service Manual
6. Press the
7. Press the
8. Press the
9. Press the
10. Press the
11. Press the
12. Press the
13. Press the
14. Press the
15. Press the
16. Press the

Cal Due Date Entry and Calibration Mode Disable

On completion of all calibration operations it is recommended that the user updates the
stored
be the same as the calibration due date shown on any calibration stickers the user may
also attach to the Multimeter. It is also recommended that a calibration seal or integrity
sticker is applied to prevent unauthorized access to the rear panel calibration enable
switch.
Set Cal Due Date
1. Press the
2. From the
3. Use the keypad to key in the calibration due date. Up to eight characters may be
4. Press Enter to store the
Disable cal mode
1. Set the rear panel Calibration Enable switch to
2. Apply a security seal to cover the rear panel Calibration Enable switch to prevent

ACV Spot Frequency Calibration

The ACV Spot frequency mode calibration is not normally performed as part of routine
calibration. ACV Spot frequency calibration is only performed if the user intends to make
use of spot frequency mode. In spot frequency mode the accuracy of AC Voltage
measurements can be improved by calibrating the Multimeter at specific frequencies of
interest, reducing frequency response flatness errors at these points. The following
procedure provides guidance on spot frequency calibration for users wishing to make use
of Spot frequency mode.
3-30
key and select
CONFIG
key and select
CONFIG
key, select
CONFIG
key and select
CONFIG
key and select
PLUS
key and select
CONFIG
key and de-select
CONFIG
key and select
PLUS
key and select
CONFIG
key and select
CONFIG
key and remove the shorting devices from the input terminals.
DCV
due date with the date for next recalibration. For consistency, this date should
CAL
key and select Quit.
CAL
menu select Enter.
CAL DUE ?
entered in any format. Any character available from the keypad may be used, but it is
recommended that one of the common date formats such as dd.mm.yy or mm.dd.yy
is used for ease of interpretation.
unauthorized access.
, and
Filt LoI 4w
. Repeat steps 3 and 4.
2w
and de-select
4w
. Repeat steps 3 and 4.
2w
. From the
Tru
and . Repeat steps 3 and 4.
Filt LoI
. Repeat steps 3 and 4.
LoI
. From the
HiV
and . Repeat steps 3 and 4.
Filt 2w
. Repeat steps 3 and 4.
4w
due date.
CAL
DISABLE
. Repeat steps 3 and 4.
. Repeat steps 3 and 4.
LoI
menu the 2 range.
Tru
menu the 20M range.
HiV
.