![Teledyne T3DMM4-5 User Manual Download Page 40](http://html.mh-extra.com/html/teledyne/t3dmm4-5/t3dmm4-5_user-manual_1080739040.webp)
38
3. Choose a voltage range in accordance to the measured circuit.
Table 2- 8 Measurement Characteristics of Frequency
Ranges
600mV, 6V, 60V, 600V, 750V
Measurement Range
20Hz ~ 500kHz
Input Protection
750Vrms on all ranges (HI terminal)
Configurable
Range, Rel
4. Set the relative value (Optional operation).
Press
[
Rel
]
to open or close the Relative math function. When it is opened,
the reading displayed is a value which comes from the result of actual
measurement value subtracts the relative value that has been set. The
default relative value is the measurement value when the function is opened.
For details, please refer to “Maths Functions” in Chapter 2.
5. Read the measurement result.
Frequency measurement is fixed at “Slow” rate. Therefore, you cannot adjust
the reading rate while reading the result.
6. View historical data
There are four methods to view historical data: “Number”, “Bar Meter”
“Trend Chart” and “Histogram”.