SDM3055 Series Digital Multimeter User Manual
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Table 2-23 Limits Measurement Menu Function Description
Turn on or turn off the Limits function.
Set the desired lower limit.
Set the desired center value
Set the desired upper limit.
Show the status of limit test.
Show the times that reading is lower than the limit.
Show the times that reading is higher than the limit.
When the beeper is on, if the reading is lower or higher
than limits, the instrument will beep once.
Clear all current readings and restart to test.
Save all changes and return to the higher-level menu.
1. How to Set Limits
Select [High], [Low], [Center] or [Span] and then switch to the needed digit by Left or Right
Direction keys and input numerical value by Up and Down Direction keys.
2. Unit
The unit of Limits is decided by the current measurement function.
3. Over hint
⚫ When the reading is lower than the set lower limit, the color of main display will switch blue to
red.
⚫ When the reading is higher than the set higher limit, the color of main display will switch blue
to red.
⚫ When the reading is lower or higher than the set limits, the Beeper will beep once. (The
beeper is turned on.)
The range of Limits function:
➢ The Limits range is -120% ~ +120% of the current measurement range.
➢ The upper limit value should be always bigger than the lower limit value.
➢ The upper and lower values are stored in volatile memory. They will be set to default values when
the power is on.