Rigol M300 Uživatelský manuál stáhnout pdf (Strana 53)

RIGOL

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

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.

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Rigol M300 Uživatelský manuál Strana 53