TH2638A Precision Capacitance Meter

Tonghui TH2638 series is a new precision capacitance meter with higher test frequency. It is easy to operate and provide fast and reliable test for ceramic capacitor production. Also, it can test all kinds of capacitors from low value to high value.


Unit Price: US$ 8,274   

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Key Features

Test frequency: 100Hz, 120Hz, 1kHz, 10kHz, 100kHz

Basic test accuracy: ±0.07%, Loss factor:±0.0005

Maximum test speed: 2.3ms/time

Built-in 11-bin comparator, PASS/FAIL indicator, bin count function

V,I test signal level monitor function

Low impedance measurement, signal level compensation

Super stable ESR 1uΩ reading resolution

High-speed equivalent inductance Cs-Rs-Ls test technology

Offset function in 1MHz test frequency (±1, ±2%)

Manipulator interface and scanner interface

RS232C, USB CDC, LAN, HANDLER, GPIB interfaces, Compatible with SCPI commands

4.3 inch TFT LCD display, support screen shot, internal and external storage



Basic Accuracy

Capacity: ±0.07%,   Loss factor: ±0.0005

Test Frequency

100Hz, 120Hz, 1kHz, 10kHz, 100kHz

Test Parameters

Cp-D, Cp-Q, Cp-Rp, Cp-G, Cs-D, Cs-Q, Cs-Rs, Cs-Rs-Ls

AC Signal Level

0.1V – 1V, resolution0.001V, accuracy  ±5%

Output Mode

Continuous or synchronous

Signal Source Delay

0 – 1s,  resolution 0.1ms

Trigger Mode

Internal , Manual, External, Bus

(Note: see more technical specifications in the ‘Resource’ – ‘Datasheet’)

Main Machine

Module No. Item Description
TH2638A Precision Capacitance Meter 100Hz/120Hz/1kHz/10kHz/100kHz, including four-end clamp with card, short circuit, and Kelvin test lead with box four-terminal insulation and lock


Module No. Item Description
TH26008A Magnetic ring fixture Frequency range: DC - 120MHz, Maximum DC current: ±42V
TH26062A Test Fixture Frequency range: DC - 120MHz, Maximum DC bias: ±42V

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