Description
The Tonghui TH2840X series is a state-of-the-art automatic transformer test system with up to 0.05% basic accuracy, a wide frequency range from 20 Hz to 2 MHz and AC test voltages of 5 mV - 20 V or DC bias of ±40 V/±100 mA. Thanks to the integrated Linux operating system, the optionally selectable LCR function and a 10.1″ capacitive touchscreen interface, it offers intuitive operation and seamless automation in the test and production environment.Features
- The test speed is up to 1800 times/s (> 10 kHz), without relay response time.
- Test level up to 20 Vrms.
- The bias voltage is integrated: ±40 V/±100 mA/2 A.
- Up to 288 test probes (TH2840NX only).
- Industry-friendly user interface: Linux base level, integrated help file.
- 10.1 inch capacitive touch screen (1280 × 800 pixels).
- Graphical pin assignment page for easy wiring.
- Lk setting: The leakage inductance pin does not need to be entered, which simplifies operation.
- Improved balance scan function from 5 to 10 points.
- Range switching via electronic switch: high speed, long service life, low noise.
- Optional LCR function.
- Approx. 100 MB storage space for setting files in the device and large storage capacity on a USB hard disc.
- Host computer supports conversion of previous file formats to ensure compatibility.
Applications
- Switching transformer scan test, comprehensive characteristic curve analysis.
- Network transformer scan test, comprehensive characteristic analysis.
- Multi-channel scan test of discrete passive components (L, R, C).
- Multi-channel scan test of the contact resistance of the relay control line package.
- Multi-channel scan test of the direct current resistance (DCR).
- Comprehensive test analysis of several passive components in the impedance network.
Technical Data
| Model | ![]() TH2840AX | ![]() TH2840BX | ![]() TH2840NX |
|---|---|---|---|
| Display | 10.1″ capacitive touchscreen, 16:9, 1280×800 | 10.1″ capacitive touchscreen, 16:9, 1280×800 | 10.1″ capacitive touchscreen, 16:9, 1280×800 |
| Test pins | 20 PIN | 48 PIN (expandable to 288 PIN) | 48 PIN (expandable to 288 PIN) |
| Frequency range | 20 Hz-500 kHz | 20 Hz-2 MHz | 20 Hz-500 kHz |
| Frequency accuracy | 0,01 % | 0,01 % | 0,01 % |
| AC test voltage | 5 mVrms-20 Vrms | 5 mVrms-20 Vrms | 5 mVrms-20 Vrms |
| DC bias voltage | ±40 V/±100 mA/2 A | ±40 V/±100 mA/2 A | ±40 V/±100 mA/2 A |
| Dimensions (W × H × D) | 430 × 177 × 265 mm | 430 × 177 × 265 mm | 430 × 177 × 405 mm |
| Weight | 11 kg | 11 kg | 17 kg |











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