GW Instek GDM-531 multimeter
Details
The GW Instek GDM-531 belongs to the GDM-500 series of multimeters. This multimeter is an affordable, durable, and user-friendly device. The GDM-531 is capable of making basic measurements with high accuracy and is suitable for various applications such as automotive diagnostics, household electrical maintenance and battery testing. The GDM-500 series is fitted with audible and visual alarms. If the voltage/current exceeds the DMM's measurement range, an alarm will immediately sound, preventing instrument damage due to misuse.
Model overview
Below is an overview of the main differences between the GDM-500 series multimeters.| Model | GDM-531 | GDM-532 | GDM-533 | GDM-541 |
|---|---|---|---|---|
| Display resolution | 6000 count | 9999 count | 6000 count | 22000 count |
| Max. AC voltage | 600 V | 999.9 V | 1000 V | 1000 V |
| Max. DC voltage | 600 V | 999.9 V | 1000 V | 1000 V |
| Max. AC current | 10 A | 9.999 A | 20 A | 20 A |
| Max. DC current | 10 A | 9.999 A | 20 A | 20 A |
| Max. resistance | 60 MΩ | 99.99 MΩ | 60 MΩ | 220 MΩ |
| Max. capacitance | 9.999 mF | 9.999 mF | 60 mF | 220 mF |
| Frequency | - | 9.9 MHz | 10 MHz | 220 MHz |
| Temperature | No |
-40°C - 1000°C | -40°C - 1000°C | No |
| True RMS | No |
Yes |
Yes |
Yes |
| Auto ranging | No |
Yes |
Yes |
Yes |
| Duty cycle | No |
Yes |
Yes |
Yes |
| Analogue bar | No |
No |
Yes |
Yes |
| Price |
Specifications
| Power supply | 2x 1.5V AAA |
| Data logging | No |
| Other functionality | Continuity, NCV function, alarm, data hold, diode |
| Dimensions | 76.5 x 155 x 49 mm |
| Weight | 255 g |
Accessories
The GDM-531 comes with:
- 1x pair test leads
- 2x 1.5V AAA battery
- Declaration of traceable calibration
Pros and cons
- No true RMS
- No auto ranging
Downloads
| GDM-500 series datasheet |  (553.29 KB) | Download |
| GDM-531 user manual | (4.68 MB) | Download |
| DTC sample | (126.04 KB) | Download |
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