The Tonghui TH2838 LCR meter offers 20 Hz-2 MHz with auto-balance bridge technology and 0.05 % accuracy.
€2,499.00*
Volume discounts on request!
Delivery time: 1-2 weeks
Further information
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Product number: TH3421
Description
The TH3421/TH3422 series are 4-channel digital power meters with true RMS AC/DC measurement, 7″ touchscreen, harmonic analysis, waveform and vector display as well as flexible energy integration for laboratory and automation.Features
- 4 channels AC/DC: Independent measuring channels for complex applications
- Wide measuring range: 5-600 V, TH3421: 0.5 mA-20 A; TH3422: 0.05 mA-2 A (micro current)
- Harmonic analysis: 2nd-50th order, list/diagram
- Waveform & vector display: Signal visualisation for phase analysis
- Energy integration: meter up to 99 999 kWh, time up to 9 999:59:59 h
- High accuracy: ±(0.15 % reading + 0.2 % range + 1 digit)
- Interfaces: RS232C/RS485 (optional), USB host/device, LAN, HANDLER, WiFi support
- File storage & firmware upgrade: USB stick compatible
- Comparison outputs: 8 programmable relays for PASS/FAIL in automated test benches
- Embedded OS & PLL: Phase lock for stable synchronisation and fast DSP processing
- Multimode winding: 1P2W, 1P3W, 3P3W, 3P4W, 3V3A depending on application
Applications
- Power supply and power electronics tests: testing AC/DC power supplies, inverters, DC/DC converters
- R&D & laboratory: Prototype testing, long-term energy integration, phase and harmonic analysis
- Automated test benches: Integration via HANDLER, pass/fail output, PC control via SCPI/Modbus
- Energy and efficiency measurements: Domestic and industrial appliances, motors, transformers, lighting, new energy systems (PV, EV chargers)
- Monitoring & quality assurance: power quality tests, harmonic distortion, long-term logging via USB/LAN
Technical Data
| Model comparison | Number of channels | Voltage range | Current range | True RMS accuracy | Harmonic analysis | Frequency Range | Power Range | Energy Integration | Display | Interfaces | Comparison outputs | Dimensions & Weight |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
 TH3421 | Number of channels: 4 | Voltage range: 5-600 V (4 ranges: 75/150/300/600 V) | Current range: 0.5 mA-20 A (7 ranges) | True RMS accuracy: ±(0.15 % reading + 0.2 % range + 1 digit) | Harmonic analysis: 2nd-50th order, ±(5 % reading + 0.3 % range) | Frequency range: DC/45-420 Hz, BW 21 kHz, filter 5 kHz | Power range: 5 mW-12 kW | Energy integration: 0-99 999 kWh; 0-9 999:59:59 h | Display: 7″ TFT (800×480) touchscreen | Interfaces: RS232C/RS485, USB host/device, LAN, HANDLER, WiFi | Comparison outputs: 8 relays (programmable) | Dimensions & weight: 236×154×475.5 mm; ≈ 8.1 kg |
TH3422 | Number of channels: 4 | Voltage range: 5-600 V (4 ranges: 75/150/300/600 V) | Current range: 0.05 mA-2 A (7 ranges) | True RMS accuracy: ±(0.15 % reading + 0.2 % range + 1 digit) | Harmonic analysis: 2nd-50th order, ±(5 % reading + 0.3 % range) | Frequency range: DC/45-420 Hz, BW 21 kHz, filter 5 kHz | Power range: 0.5 mW-1.2 kW | Energy integration: 0-99 999 kWh; 0-9 999:59:59 h | Display: 7″ TFT (800×480) touchscreen | Interfaces: RS232C/RS485, USB host/device, LAN, HANDLER, WiFi | Comparison outputs: 8 relays (programmable) | Dimensions & weight: 236×154×475.5 mm; ≈ 8.1 kg |