RIGOL DM3058 - Manual (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
Menu
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.
dB
The dB measurement is the difference between
the input signal and a stored relative value.
REL
ON
OFF
Turn on /Turn off the REL function.
Save all changes, back to a higher level menu.