RIGOL M300 - Manual (Page 53)

RIGOL
© 2007 RIGOL Technologies, Inc.
User’s Guide for DM3000 Series
2-5
DC Input Impedance
The options of input impedance for DC value measurements are 10MΩ and >10GΩ.
For 200mV, 2V, 20V measuring ranges, choose >10MΩ for better result.
Press  Res, enter the menu shown below:
Figure 2- 3 Set the Input Impedance
Table 2- 4 Menu Description
Function
Menu
Description
10MΩ Set up the DC Input Impedance to 10MΩ.
>10GΩ Set up the DC Input Impedance to >10GΩ.
Save all changes, back to a higher level menu.
DC input impedance selection:
(1). While the DC input impedance is selected to 10MΩ, the input impedance of all
measurement range is 10MΩ;
(2). While the DC input impedance is selected to >10GΩ, the input impedance for
200mV, 2V and 20V measurement range is >10GΩ; for 200V and 1000V
measurement range is kept at 10MΩ.
(3). The DC input impedance is stored in nonvolatile memory. The default is 10MΩ.