User manual

SIGLENT
28 SDM3055 Digital Multimeter
3. Choose a proper voltage range according to the measured circuit.
Table 2- 8 Measurement Characteristics of Frequency
Ranges 200mV, 2V, 20V, 200V, 750V
Measurement Range 20Hz ~ 1MHz
Input Protection 750Vrms on all ranges (HI terminal)
Configurable Rel
4. Set relative value (Optional operation).
Press Relto open or close Relative math function. When it is opened, the
reading displayed is a relative value which comes from the result of actual
measurement value subtracts the value that has been set. (Please refer to
“ Math Functions” in Chapter 2 to know about the details.)
5. Read measurement result.
Frequency measurement is fixed at “Slow” rate. Therefore, you can’t adjust
the reading rate while reading the result.
6. View history data.
There are four types of way to view historical data: “Number”, “Bar
Meter” ”Trend Chart” and “Histogram.