---
product_id: 10257933
title: "GW Instek GDM-397 3-3/4 Digits LCD Digital Display Handheld Multimeter with RS-232C Interface, 40mV/400mV/4V/40V/400V/750V AC Voltage Range"
brand: "best price square"
price: "343584₫"
currency: VND
in_stock: false
url: https://www.desertcart.vn/products/10257933-gw-instek-gdm-397-3-3-4-digits-lcd-digital
store_origin: VN
region: Vietnam
---

# 750V AC range 3999 counts RS-232C interface GW Instek GDM-397 3-3/4 Digits LCD Digital Display Handheld Multimeter with RS-232C Interface, 40mV/400mV/4V/40V/400V/750V AC Voltage Range

**Brand:** best price square
**Price:** 343584₫
**Availability:** ❌ Out of Stock

## Summary

> 🔧 Measure with Confidence: Your Ultimate Multimeter Companion!

## Quick Answers

- **What is this?** GW Instek GDM-397 3-3/4 Digits LCD Digital Display Handheld Multimeter with RS-232C Interface, 40mV/400mV/4V/40V/400V/750V AC Voltage Range by best price square
- **How much does it cost?** 343584₫ with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/10257933-gw-instek-gdm-397-3-3-4-digits-lcd-digital)

## Best For

- best price square enthusiasts

## Why This Product

- Trusted best price square brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Smart Connectivity:** Seamlessly connect with RS-232C for data logging and analysis.
- • **Multi-Functionality:** Capacitance and frequency measurements, plus continuity beeper and diode test.
- • **User-Friendly Design:** Data hold and relative mode features for enhanced usability.
- • **Versatile Voltage Range:** Effortlessly measure AC voltage from 40mV to a whopping 750V.
- • **Precision at Your Fingertips:** Experience 3999 counts of accuracy for all your measurement needs.

## Overview

The GW Instek GDM-397 is a high-performance handheld multimeter featuring a 3999 counts LCD display, versatile voltage measurement capabilities, and smart RS-232C connectivity, making it an essential tool for professionals seeking precision and reliability in their electrical measurements.

## Description

The GDM-300 Series Hand Held DMM are a compact, high precision, battery operated multimeter series designed to meet most of the daily needs for design engineers as well as service engineers. The GDM-300 series design is driven by mobile-oriented features, such as automatic power down to preserve battery life, a large backlight display for crisp viewing, a rotary selector switch and clear-cut push buttons to ease operation. The basic functions match the depth of bench-top multimeters: fuse-protected current input, true RMS for accurate AC measurements, Auto ranging, Duty cycle, and Relative mode. These compact, reliable, and economical devices are ideal for any engineer.

## Features

- 3999 counts auto/manual ranging
- Capacitance, frequency measurement
- Continuity beeper/diode test
- Data hold/relative mode

## Images

![GW Instek GDM-397 3-3/4 Digits LCD Digital Display Handheld Multimeter with RS-232C Interface, 40mV/400mV/4V/40V/400V/750V AC Voltage Range - Image 1](https://m.media-amazon.com/images/I/513NB8goK9L.jpg)

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**Shop now:** [https://www.desertcart.vn/products/10257933-gw-instek-gdm-397-3-3-4-digits-lcd-digital](https://www.desertcart.vn/products/10257933-gw-instek-gdm-397-3-3-4-digits-lcd-digital)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-02-17*