--常州同惠电子股份有限公司

Stock code: 920509

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Impedance Analyzer

Auto Balance Technology＜15MHz Auto Balance Technology ≧15MHz

LCR Meter

Handheld LCR Basic <100kHz Universal 100kHz≦F＜1MHz High Freq ≥1MHz High Performance/Auto Balance Technology >=1MHz

Automatic transformer comprehensive test system

high-performance type Bridge function kit Cost-effective type

Inductance Meter

Inductance DC Bias Current Source

Capacitance Meter

Capacitor Leakage Current Tester High Speed Capacitor Tester Impact-resistant precision capacitance meter
精密源/测量单元

TH199X系列

Low-noise precision power supply

TH193X Series

High Resistance Meter/fA Meter/pA Meter

pA Meter fA Meter High Resistance Meter/Electrometer/fA Meter

Multi-channel temperature/data logger

Multi-channel temperature/data logger High-performance data acquisition/recorder

Microcurrent Testing System

Microcurrent Testing System

Benchtop Digital Multimeter

6 1/2 Digit Multimeter 5 1/2 Digit Multimeter 4 1/2 Digit Multimeter

DC Low Resistance Tester

Basic Model High Performance Type Universal Multi Channels

Insulation Resistance Meter

Analog Pointer Type Universal High Performance Type Dual Channel/High Power

Battery tester

Internal Resistance Tester Insulation Resistance Tester

high/low frequency voltage tester

Digital AC millivoltmeter High frequency millivoltmeter Digital AC millivoltmeter
Programmable DC power supply

linear switch Linear Output/Dual Range Linear Output/Multi Channel Linear Output/High Accuracy Linear Output/High Power Linear source-to-load integration Switch Type 360W/720W/1080W Switch Type 750W/1500W/3000W High power 3U high density 双向回馈式大功率

Programmable AC power supply

Programmable Linear

Programmable DC electronic loads

Feedback type high power Basic Model Modular High Performance Type

Digital Power Meter

Single Channel/Basic Type Single Channel/Universal Type Single Channel/Broadband Type Multi Channels/Broadband Type Multi Channels/Universal Type
Avalanche energy tester

Programmable inductive load box Avalanche energy tester

Power semiconductor device PIV test system

TH500 series

Semiconductor device CV characteristic testing

TH510 series

Semiconductor Parameter Analyzer

TH521 series
HighPerformance WithstandVoltage Insulation Tester

Multipurpose High Voltage Type High Power Type Parallel Multi-Channel Type

Cable/Harness Tester

TH8601 Series TH8602 Series TH8603 Series Chip Reading and Calibration Type TH8610 Series Th6xx Modular Series

Conventional Withstand Voltage Insulation Tester

Analog Type Basic Model Universal Type

Impulse Winding Tester

Scan Expandar Universal High Performance

High/Low Voltage Comprehensive Tester

IntegratedMagnetic Component Test/Aanalysis System

Other Electrical Safety Testers

Digital High Voltage Meter Leakage Current Tester Ground Resistance Tester
Integrated Circuit Teaching Experiment Platform

Integrated Circuit Teaching Experiment Platform
Component class automatic test system

Inductance Bias Feature Test System Winding Component Automatic Test System

Automatic test system for weak signals

Multi-channel capacitor leakage current automatic Multi-channel current test system

Semiconductor automatic test system

Optocoupler automatic test system Power device CV characteristic automatic system

Power class automatic test system

Switch Power Supply Automatic Test System
General Accessories

On-Shelf Components Handler to PLC Power Cable Cable Adapter

Hardware Optional Accessories

Other Test Instrument Options Automatic Test System Options Data Acquisition/Recorder Options Benchtop Digital Multimeter Options Power Electronic Test Instrument Options Mirco Singal Test Instrument Options Cable/Harness Test Equipment Options Electrical safety test equipment option Winding Component Test Instrument Options Component Parameter Tester Options

Software

Calibration Software Embedded Software PC Software

Other Accessories

Other Test Instrument Accessories

Automatic Test System Accessories

Automatic Test System Accessories

Data Acquisition/Recorder Accessories

Data Acquisition/ Recorder Accessories

Benchtop Digital Multimeter Accessories

Benchtop Digital Multimeters Accessories

Power Electronic Tester Accessories

Power Electronic Test Instrument Accessories

Mirco Singal Tester Accessories

Mirco Singal Test Instrument Accessories

Cable/Harness Tester Accessories

Cable/Harness Tester Accessories

Electrical Safety Instrument Accessories

Electrical Safety Test Instrument Accessories

Winding Component Tester Accessories

Winding Component Test Instrument Accessories

Component parameter test instrument accessories

Component parameter test instrument accessories
Application
Services and Downloads

Our Services

On October 15, 2025, at the Shenzhen Wanxin Exhibition 2025, Changzhou Tonghui Electronics Co., Ltd. officially established a strategic partnership with the National Third Generation Semiconductor Technology Innovation Center (Shenzhen) ..

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About Us

About Us

Changzhou Tonghui Electronics Co., Ltd. was founded in 1994. It is a national high-tech enterprise and a national specialized and innovative small giant enterprise that integrates research and development, manufacturing, and marketing.

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说明书/规格书

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Instruction Manual/Specification Sheet

TH2638C

Precision Capacitance Meter

TH2638系列电容测量仪_技术手册_V20251127 TH2638 电容表用户手册@2020.04.21
TH2638B

Precision Capacitance Meter

Specification Document TH2638系列电容测量仪_技术手册_V20251127 TH2638 电容表用户手册@2020.04.21
TH2817B+

LCR Meter

TH2817B+紧凑型LCR数字电桥_使用说明书_V1.4@2025.4.1
TH2810B+

LCR Meter

Specification Document TH2810B+ TH2817B+说明书VER@1.1
TH6402B

Triple-channel Programmable Linear DC Power Supply

TH6400系列多通道可编程直流线性电源_技术手册_V2024.11 TH6400系列多路线性可编程直流电源_使用说明书_V1.6@2024.06
TH7120

Programmable AC Power Supply

TH7100系列线性可编程交流电源_规格书_ V2025.7.30 TH7100系列线性可编程交流电源_技术手册_ 2.25.4.22 TH7100系列线性可编程交流电源_使用说明书_ V2025.4.1 TH7100系列USB驱动2023.10.23
TH9120A

Hipot Tester

Specification Document TH9120系列程控交直流耐压绝缘测试仪_技术手册_2026.1.15 TH9120系列程控交直流耐压绝缘测试仪_规格书_2026.1.15 TH9120系列交_直流耐压绝缘测试仪_使用说明书V2.2@2024.4.pdf
TH6513

High-precision Programmable Linear DC Power Supply

TH6500系列高速高精度可编程直流电源_规格书@2026.03 TH6500系列高速高精度可编程直流电源_技术资料@2026.03 TH6500系列高速高精度可编程直流电源_使用说明书_V1.4@2024.06
TH6512

High-precision Programmable Linear DC Power Supply

TH6500系列高速高精度可编程直流电源_规格书@2026.03 TH6500系列高速高精度可编程直流电源_技术资料@2026.03 TH6500系列高速高精度可编程直流电源_使用说明书_V1.4@2024.06
TH6511

High-precision Programmable Linear DC Power Supply

TH6500系列高速高精度可编程直流电源_规格书@2026.03 TH6500系列高速高精度可编程直流电源_技术资料@2026.03 TH6500系列高速高精度可编程直流电源_使用说明书_V1.4@2024.06

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TH2638C

TH2638B

TH2817B+

TH2810B+

TH6402B

TH7120

TH9120A

TH6513

TH6512

TH6511