Rigol DM3062 Guia do Utilizador descarregar pdf (Página 29)

RIGOL

©Copyright RIGOL Technologies, Inc. 2007.

User’s Guide for DM3000 Series

1-17

4-Wire Resistance Measurement

Figure 1-22

Table 1-6 Resistance measurement characteristics

Seven Range 200Ω, 2kΩ, 20kΩ, 200kΩ, 1MΩ, 10MΩ, 100MΩ

Max Resolution 100uΩ

Open-circuit

Voltage

<5V

Import Protection

(1). 200V

(2). 1000V on all ranges (HI

Termi nal)

(3). 200V on all ranges (HI Sense, LO Sense)

Configurable

Parameters

Range, Null value

Basic measurement:

1. Connect test leads as Figure 1-23 shown. Red test leads connect the HI Terminal,

Black test leads connect the LO Terminal.

2. Press twice to select the 4-Wire Resistance Measurement.

3. According to the resistance measuring scope, choose the correct range.

4. Set the Null setting value.

Null computing will be an optional operation, it could be setup in accordance

with users’ demand. If user does not implement Null computing, this parameter is

not required, direct implementation of the next step.

(To know the specific setting methods of the Null value setting, please refer to

Chapter 2 “To Set Up Measurement Parameters”, Null computing)

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