GW Instek GDM-398 User Manual

Handheld digital multimeter

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Handheld Digital Multimeter

GDM-360, GDM-397, GDM-398, GDM-461

USER MANUAL

GW INSTEK PART NO. 82DM-46100MA1

ISO-9001 CERTIFIED MANUFACTURER

This manual is related to the following products:

GDM-360 GDM-397 GDM-461

Table of contents

Document Outline

OVERVIEW
- Unpacking Inspection
- Safety Information
- Rules for Safe Operation
- International Electrical Symbols
- Rotary Switch
- Functional Buttons
- Display Symbols
- Hold Mode
- RANGE button
- MAX MIN button (GDM-360/397/398 only)
- Peak Hold (GDM-461 only)
- Outputting Data (Except GDM-398)
- The Use of Relative Value Mode
- The BLUE button
- Turning on the Display Backlight (GDM-360/397/398 only)
- Sleep Mode (GDM-360/397/398 only)
GENERAL SPECIFICATIONS
- Accuracy Specifications
- DC Voltage
  - GDM-397/398
  - GDM-360
  - GDM-461
- AC Voltage
  - GDM-397/398
  - GDM-360
  - GDM-461
- DC Current
  - GDM-397/398
  - GDM-360
  - GDM-461
- AC Current
  - GDM-397/398
  - GDM-360
  - GDM-461
- Resistance
  - GDM-397/398
  - GDM-360
  - GDM-461
- Capacitance
  - GDM-397/398
  - GDM-360
  - GDM-461
- Frequency
- Diode Test
- Continuity Test
- Temperature Measurement (GDM-397 only)
- Transistor hFE (GDM-398 only)
MAINTENANCE
- General Service
- Replacing the Battery
- Replacing the Fuses