WalTech USA
US DISTRIBUTOR · TONGHUI TEST & MEASUREMENT

Tonghui test & measurement instruments, sold and supported in the USA.

WalTech USA distributes Tonghui instruments, sold internationally under the Techmize brand — from LCR meters and impedance analyzers to programmable power supplies, hipot and cable testers. Quoted in US dollars and invoiced by a Texas company.

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Techmize TH2840B precision LCR meter
TH2840 SERIES · HIGH-SPEED LCR METER · 20 Hz–2 MHz
US distributor of TonghuiInstruments sourced directly from the manufacturer.
Buy from a US companyQuoted in USD and invoiced by WalTech USA LLC, Texas.
Clear, numbered quotationsEvery quote and revision tracked, so nothing gets lost.
PRODUCT FAMILIES

Instruments for the bench, the lab and the production line

The full Tonghui range in four families, plus inspection equipment we source from other manufacturers.

01 Component & device parameter test LCR meters · Impedance analyzers · Semiconductor C-V and parameter analyzers · Automatic transformer test systems · DC bias current sources View models → 02 Micro-signal test Source/measure units · fA/pA meters and electrometers · DC and insulation resistance meters · Digital multimeters · Data acquisition · Battery testers View models → 03 Power electronic test Programmable DC and AC power supplies · Bidirectional supplies · DC electronic loads · Multi-channel digital power meters View models → 04 Electrical safety & cable test Hipot testers · Safety compliance analyzers · Impulse winding testers · Ground bond testers · Cable and wire-harness testers View models → BEYOND TONGHUI Inspection, metrology & cleanliness equipment Digital microscopes · 3D optical profilers · Ionic cleanliness testers — sourced from other leading manufacturers. View equipment →
FEATURED INSTRUMENTS

Popular models

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Techmize TH2840B precision LCR meter
TH2840 SERIES

High-Speed LCR Meter

20 Hz–2 MHz0.05% accuracy
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Techmize TH2851 precision impedance analyzer
TH2851 SERIES

Impedance Analyzer

10 Hz–130 MHz1 mΩ–100 MΩ0.08%
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Techmize TH1992 precision source/measure unit
TH199X SERIES

Precision Source/Measure Unit

6½ digits210 V3 A / 10.5 A pulse
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Techmize TH6600 series regenerative power system
TH6600 SERIES · NEW

Bidirectional Programmable DC Power Supply

5–15 kW0–1000 V0–360 A
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Techmize TH9130 multifunction safety compliance analyzer
TH9130 SERIES

Multifunction Safety Compliance Analyzer

7-in-1ACW · DCW · IR · GB · LC
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Techmize TH8601 cable and harness tester
TH8601/A

Cable / Harness Tester

64 / 128 pins
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ABOUT THE MANUFACTURER

Three decades of precision measurement

Changzhou Tonghui Electronic Co., Ltd. has designed and built electronic test instruments since 1994, with deep roots in precision impedance measurement. Its instruments are used in research, production testing and quality control.

1994
Founded in Changzhou, China
833509
Listed on the Beijing Stock Exchange
30,000 m²
Manufacturing campus, opened 2021
25%
Of 270+ employees work in R&D
USED ACROSS
Consumer electronics 5G communications Semiconductor packaging & test Electric vehicles Power electronics Household appliances
WHY BUY THROUGH WALTECH USA

The instrument you need, without importing it yourself

A US company on the paperwork

Quotes in US dollars and invoices from WalTech USA LLC, a Texas company.

Help choosing the right model

Tell us what you need to test and we’ll match the series, options and fixtures to it.

Clear, numbered quotations

Every quote has a number, and every revision is tracked as your requirements change.

Warranty and service

Equipment comes with the manufacturer’s warranty, and our US office is your contact for any warranty questions.

Need a price on a Tonghui model?

Send the model number, quantity and ship-to location — or describe your test and we’ll suggest options.

Request a quote info@waltechusa.com