
GDM-398 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $99.00 | Condition is New, GW Instek GDM-398 Handheld Digital Multimeter, FREE SHIPPING | 100.0% |
![]() | $90.00 | Condition is New, GW Instek GDM-398 Digital Multimeter NEW!, shipping cost = $21.50 | 99.9% |

The GW Instek GDM-398 Digital Multimeter is an essential tool for electricians, technicians, and hobbyists seeking precision and accuracy in their electrical measurements. This multimeter offers a wide range of functions, ensuring versatility for various applications.
The GDM-398 features a high-resolution, large-scale LCD display with a backlight, allowing easy and clear reading of measurements even in low-light conditions. It can measure current up to 10A, voltage up to 1000V, resistance, capacitance, and frequency. The multimeter also includes an RMS function for measuring Root Mean Square values, which is particularly useful when dealing with AC power.
This multimeter is designed with safety in mind. It includes overvoltage protection, overcurrent protection, and short-circuit protection to ensure user safety during measurements. The auto-ranging function simplifies the measurement process by automatically selecting the correct measurement range, reducing the risk of incorrect readings.
The GDM-398 Digital Multimeter comes with a durable, ergonomic design, making it comfortable to hold and use for extended periods. It includes a data hold function, which temporarily freezes the display to capture and record measurements for further analysis. The multimeter also includes a low battery indicator and an automatic power off function to help conserve battery life.
Additionally, this multimeter comes with various accessories, including test leads, alligator clips, and a protective pouch. The multimeter operates on two AA batteries, which are not included in the package. The GW Instek GDM-398 Digital Multimeter is an ideal choice for anyone in need of an accurate, reliable, and versatile multimeter for electrical measurements.
A Detailed Analysis of the GW Instek GDM-398 Digital Multimeter
The GW Instek GDM-398 is a mid-range digital multimeter that offers a comprehensive range of electrical measurement functions. In this analysis, we will discuss its key features, advantages, and disadvantages to help you determine if it is the right multimeter for your needs.
Key Features:1. True RMS measurement for accurate measurement of AC values, including RMS voltage, current, and power.
2. Automatic and manual ranging for easy and precise voltage, resistance, and current measurements.
3. Data hold and peak hold functions for recording maximum and minimum readings.
4. Backlit LCD display for clear visibility in low-light conditions.
5. Input protection against overvoltage, overcurrent, and short circuits.
Advantages:1. True RMS measurement ensures accurate results, especially when dealing with non-linear loads or AC signals.
2. Automatic and manual ranging allows for flexibility in various measurement applications.
3. Data hold and peak hold functions are useful for recording maximum and minimum values for troubleshooting and recording purposes.
4. Backlit LCD display offers clear visibility in various lighting conditions.
5. Input protection safeguards the multimeter from damage during hazardous measurements.
Disadvantages:1. The GDM-398 does not offer Bluetooth connectivity or data logging capabilities, which may be a limitation for some users.
2. The multimeter's size and weight make it less portable compared to compact models.
3. The user interface could be more intuitive, as some users may find the button layout confusing.
Conclusion:The GW Instek GDM-398 is a reliable and accurate digital multimeter suited for various electrical measurement applications, especially those involving AC signals and non-linear loads. Its true RMS measurement, data hold and peak hold functions, backlit LCD display, and input protection make it a valuable tool for professionals and hobbyists alike. However, its lack of Bluetooth connectivity, data logging capabilities, and relatively larger size and weight may be drawbacks for some users.
Recommendation:If you require accurate and reliable electrical measurements, particularly AC values, the GW Instek GDM-398 is an excellent choice. Its true RMS measurement, data hold and peak hold functions, and backlit LCD display make it a versatile and effective multimeter for various applications. However, if you prioritize portability, Bluetooth connectivity, or data logging capabilities, you may want to consider alternative models.
Details:
Includes leads. Gw Instek GDM-398 digital multimeter new.
specifications testmultimeters:
- brand: Gw Instek
- mpn: Gdm-398
- part type: Multimeter
- display: Digital
returns testmultimeters:
- policy: returns accepted
- method: money back
- paid by: buyer
- time: 30 days
seller testmultimeters:
- city: rockwall, texas
- # reviews: 7153
- rating: 99.6%
offer testmultimeters:
- in stock #: 2
- options: ship-to-home
- started: april 22, 2025
- sold #: 19
- prices: $90.00–$99.00
- item condition: New
- availability: in stock
- best offers: true
shipping testmultimeters:
- carrier: ups, fedex
- type: calculated
- class: standard, expedited, one-day
- transit: 3-7 days
- service: ups ground, ups 2nd day air, fedex 2day, ups next day air
payments testmultimeters:
- wallet: google-pay
- other
- credit card: discover
general testmultimeters:
- category: Business & Industrial > Test, Measurement Inspection > Detectors > Multimeters
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