SA5052 Digital Multimeter User ‟s Guide
Shijiazhuang Suin Instruments Co., Ltd. 27
● To change range manually, press
【∧】
or
【∨】
keys.
Man
annunciator is on when
manual range is enabled, the second line indicates the selected range.
●
Press
【
AUTO/MAN
】
key to switch between autoranging and manual ranging, and the
Man
annunciator is on or off accordingly.
Digit
：
to cover up
reading on main display (change the display digits).
3.2 Measuring configuration
3.2.1
To set resolution
Different display resolution settings for different functions, for DC Voltage, DC Current
and Resistance functions, users should set resolution according to sampling power
period multiple. Resolution includes fast 3 ½ , medium 4 ½ , and slow 5 ½ . If you want to
increase the measurement accuracy and noise rejection, please set 5 ½ digits. If you
want to speed up the measurement, please set 3½ digits.
Resolution is local to all selected functions. Math operation resolution is same as
measurement resolution.
Front panel operation
：
Press
【
Config
】
key and relevant function key, which shows
RESOLUTION. Then press
【
Enter
】
key to enter into the subdirectory and press
【
<
】
or
【
>
】
key to select suitable parameter, finally confirm by
【
Enter
】
key pressing.
●
The resolution setting is stored in volatile memory. The resolution is set to 5½ digits
at power-on and after remote control reset.
● Resolution is fixed as 3½ digis at Continuity and Diode testing.
3.2.2 To set AC Filter
Three AC filter choices for improving the measurement, 20Hz, 100Hz and 200Hz. For ac
voltage and ac current testing, filter can be used to improve the measurement result.
Front panel operation
：
Press
【
Config
】
key +
【
ACV
】
key, which shows ACV FILTER.
Then press
【
Enter
】
key to enter into the subdirectory and press
【
<
】
or
【
>
】
key to select
suitable parameter, finally confirm by
【
Enter
】
key pressing.
