Measurement Options
38
4.1.2 Filter
FILTER lets you set the filter response to stabilize noisy measurements. The multimeter uses a digital
filter. The displayed, stored and transmitted readings are simply an average of a number of reading
conversions (from 1 to 100).
Perform the following steps to select a filter:
1. Press
→
to enter the menu on the menu level, “
A: MEAS MENU
” will be displayed.
2. Press to move down to the submenu level within the MEAS MENU, “
1: CONTINUITY
” will be
displayed.
3. Use or key to move across to the Filter option on the submenu level, “
2: FILTER
” will
be displayed.
4. Press to move down a level to the filter parameter choice.
5. Using or to turn ON or OFF the filter.
6. Press
(ENTER) to confirm the selection. The message “
CHANGE SAVED
” will be displayed to
show that the change is now in effect. The multimeter automatically exits the parameter level and
moves up a level to the submenu level.
7. Use to move across to the filter type option on the submenu level, “
3: FILT TYPE
” will be
displayed.
8. Press to move down a level to the filter type parameter choice.
9. Use or to select MOVNG AV (Moving average) or REPEAT filter type.
10. Press
(ENTER) to confirm the selection. The message “
CHANGE SAVED
” will be displayed to
show that the change is now in effect. The multimeter automatically exits the parameter level and
moves up a level to the submenu level.
11. Use to move across to the filter count option on the submenu level, “
4: FILT COUNT
” will be
displayed.
12. Press to move down a level to edit the filter count parameter.
13. Use and keys to select cursor position and use and keys to increment or
decrement the digits respectively. Enter a filter count from 1 to 100.
14. Press
(ENTER) to confirm the count value. The message “
CHANGE SAVED
” will be displayed
to show that the change is now in effect. The meter automatically exits the parameter level and
moves up a level to the submenu level.
15. Press
→
key to exit from the menu and return to the measurement status.
16. The
FILT
annunciator will display when the filter function is ON.
NOTE: The filter cannot be set for frequency, period, continuity and diode test functions.
Filter Types
A.
The Moving average filter uses a first-in, first-out stack. When the stack becomes full, the measurement
conversions are averaged, yielding a reading. For each subsequent conversion placed into the stack,
Moving Average (MOVNG AV)