UT8805E Benchtop Digital Multimeter
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2.8 Mathematical Functions
5 main functions are included in mathematical operation: statistics, limits, dB, relative operation and dBm.
Different mathematical function satisfies different measuring requirements, which is suitable for voltage,
current, resistance, capacitance, frequency/cycle and temperature measurements. The dB and dBm
operations are only suitable for voltage measurement.
Press button to enter the operating menu of mathematical operation as Figure 2-41.
Figure 2-41 Interface of mathematical operating function
Mathematical operating function menu
Statistics maximum, minimum, average, Span, standard
deviation and samples of current measurement
Operate the pass/fail test according to the high/low limit
Calculate of measured decibels relative to the reference
value
Turn the relative operation on/off and set the relative value
Calculate the power of resistance, 0dBm=1mW
Note:
The mathematical operation can only be processed in primary measurement.
Except for statistic, all the mathematical operations will turn off automatically if the measurement
function is changed.
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