Rigol DM3058E User's Guide download pdf (Page 66)

RIGOL

User’s Guide for DM3058/DM3058E

2-44

Math Functions

The multimeter provides five math functions: STA, P/F, dBm, dB and REL testing.

Math functions can only be used in DC voltage, AC voltage, DC current, AC current,

resistance, frequency/period and sensor measurement. Among the functions, dBm

and dB are only used in DC voltage and AC voltage measurement.

Press

key, the display shows:

Voltage Measurement

Current, Resistance, Frequency/Period

Capacitance and Sensor measurement

Figure 2-60 Math function

Table 2-15 Math Function Menu Description

Function

Settings Description

STA

Reading statistic functions, including: Max, Min,

Average, and number of measurement.

P/F

The P/F test function performs pass/fail testing

according to the specified upper and lower

limits.

dBm

The dBm function is logarithmic, and is based

on a calculation of power delivered to reference

impedance.

The dB measurement is the difference between

the input signal and a stored relative value.

REL

OFF

Turn on /Turn off the REL function.

Save all changes, back to a higher level menu.

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Rigol DM3058E User's Guide Page 66