GDM-531
search
  • GDM-531
  • GDM-532
  • GDM-533
  • GDM-541

GDM-500 Series – Handheld Digital Multimeter

TRMS
Points






Key Features by Model

GDM-541

  • 22'000 counts, auto/manual ranging
  • 46-segment analog bar graph
  • AC Voltage measurement up to 1000 V
  • AC + DC Voltage measurement
  • Current measurement up to 20 A
  • Transistor (hFE) measurement
  • Audible/Visual overload alarm
  • True RMS / USB interface

GDM-533

  • 6'000 counts, auto/manual ranging
  • 31-segment analog bar graph
  • LoZ AC Voltage measurement
  • AC Voltage measurement up to 1000 V
  • Current measurement up to 20 A
  • Temperature measurement
  • Audible/Visual overload alarm
  • True RMS / USB interface 

GDM-532

  • 9'999 counts, auto/manual ranging
  • Backlit display / Auto power-off
  • Continuity beeper / Diode test
  • Temperature measurement
  • Non-Contact Voltage (NCV) detection
  • Data hold and relative mode

GDM-531

  • 6'000 counts, manual ranging
  • Backlit display / Auto power-off
  • Capacitance measurement
  • Non-Contact Voltage (NCV) detection
  • Data hold
  • Audible/Visual overload alarm



GW Innstek GDM-500 Selection Guide=



GDM-500 Series – Handheld Digital Multimeter

The GDM-500 Series from GW Instek is a compact, high-precision, battery-operated digital multimeter designed for service engineers, field technicians, and mobile applications. With its rugged design, intuitive operation, and versatile measurement capabilities, the GDM-500 series combines the portability of a handheld device with the functionality of a bench-top multimeter.

Mobile-friendly features include auto power-off to preserve battery life, a large backlit display for easy viewing, a rotary selector and push buttons for effortless operation, and Non-Contact Voltage (NCV) detection for safe outdoor use.

The series supports a full range of essential measurement functions, including:

  • Fuse-protected current inputs
  • True RMS AC measurement for accuracy
  • Auto-ranging and manual ranging
  • Audible/Visual overload alarm
  • Duty cycle measurement and relative mode

The GDM-500 Series is compact, reliable, and economical, making it an ideal handheld multimeter for engineers and technicians.


Ordering Information

Model Description
GDM-541 22,000-count handheld DMM with True RMS and USB interface
GDM-533 6,000-count handheld DMM with True RMS, USB interface, and temperature measurement
GDM-532 9,999-count handheld DMM with True RMS, backlight, NCV, and temperature measurement
GDM-531 6,000-count handheld DMM with manual ranging, capacitance, and NCV

Included Accessories

  • User Manual
  • Test Leads
  • Battery
  • USB Cable & Adapter Socket (GDM-541 / GDM-533 only)
  • K-type Thermocouple (GDM-533 / GDM-532 only)



GDM-533

Specific References

Download

GDM-500 Series - Datasheet

Download (1.09MB)

GDM-541/533 - User Manual

Download (9.93MB)

GDM-531 - User Manual

Download (4.68MB)

GDM-532 - User Manual

Download (5.75MB)