SIGLENT
SDM3045X Digital Multimeter 39
Measurement Parameters
The parameters have been configured before the Multimeter leaving factory.
Users can either measure directly or modify them to meet your own
requirements.
DC Input Impedance
DC input impedance is only applicable for DC voltage measurement. When DC
Voltage function is selected, press【Range】 and select 【600mV】to show the
menu【Input Z】, as the following diagram shows.
Diagram 2- 34 Choose DC Input Impedance
The options of input impedance for DC voltage measurements are 10MΩ and
10GΩ. 10MΩ impedance is general for the Multimeter, but for 600mV manual
ranges, 10GΩ should be chosen for better result. The current selection will be
saved in nonvolatile memory.
DC input impedance selection:
While the DC input impedance is selected as 10MΩ, the input
impedance of all measurement range is 10MΩ;
While the DC input impedance is selected to 10GΩ, the input
impedance for 600mV is 10GΩ; for 2V, 20V, 200V and 1000V
measurement range is kept at 10MΩ.
The default value of DC input impedance is 10MΩ; settings of DC input
impedance are stored in the nonvolatile memory.
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