The Tonghui TH2838 LCR meter offers 20 Hz-2 MHz with auto-balance bridge technology and 0.05 % accuracy.
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Product number: TH2838
Description
TH2838 is a new generation impedance tester utilising the world's most advanced autobalance bridge theory. With a basic accuracy of 0.05 %, a speed of up to 5.6 ms, a frequency range of 20 Hz to 2 MHz and an impedance test range of up to 1 GΩ, this new impedance tester fulfils all test requirements for components and materials, especially for testing low D capacitors and high Q inductors. The four-pair configuration eliminates the effect of electromagnetic coupling in the test lead, extending the lower limit for low impedance testing by a factor of ten compared to five-pair testers.TH2838/TH2838H/TH2838A supports 20 V AC test signals and 40 V DC bias. The newly added enhanced multi-parameter list sweep/graph analysis enables customers to evaluate components more comprehensively.
TH2838/TH2838H/TH2838A is a powerful tool for design, testing, quality control and production testing of electronic components. Its excellent performance and functions make it a powerful tool for circuit design and development as well as for material research and development (electronic and non-electronic material).
TH2838/TH2838H/TH2838A enables various tests to be performed according to commercial and military standards such as IEC and MIL.
Features
- High accuracy: Auto-balance bridge technology, 4-pole pair
- High stability and consistency: Up to 15 measuring ranges
- High speed: Up to 5.6 ms
- High resolution: 7 inch, 800 × 600
- High performance:
- Signal source: Voltage up to 20 Vrms (TH2838H only)
- Current up to 100 mA (TH2838H only)
- DC bias: Voltage up to ±40 V (TH2838H only)
- Current up to 100 mA
Up to 120 A when controlling 6 TH1778 series DC devices - Bias current source via external DC bias interface
- Independent voltage source: ±10 V programmable output
- (TH2838H only)
- 201-point list sweep function
- Multi-parameter graph sweep function
- Arithmetic operations
- 10-bins sorting, sorting result with sound and light alarm
- Large memory capacity:
- Internal: 100 groups of setting files, 10 groups of GIF image files; External: 100 groups of
- Setting files via USB memory
- Multiple interfaces: USB host, USB device, LAN, handheld transmitter, GPIB (optional), scanner (optional), external DC-BIAS control interface
- High compatibility: Supports SCPI commands, compatible with KEYSIGHT E4980A, E4980AL, HP4284A, etc.
Applications
- Passive components
Estimation of impedance parameters and power analysis of capacitors, inductors, magnetic cores, resistors, piezoelectric components, transformers, chip components and network components - Semiconductor components
Testing and analysing parasitic parameters of integrated LED driver circuits, C-VDC properties of varactors, analysing parasitic parameters of transistors or integrated circuits - Other components
Impedance assessment of printed circuit boards, relays, switches, cables, batteries - Dielectric materials
Assessment of the dielectric constant and loss angle of plastics, ceramics and other materials - Magnetic materials
Assessment of the magnetic permeability and loss angle of ferrites, amorphous bodies and other magnetic materials - Semiconductor materials
Dielectric constant, electrical conductivity and C-V properties of semiconductor materials, liquid crystal cells, dielectric constant, elasticity constant and C-V properties of liquid crystal cells
Technical Data
| Model |  TH2838A | TH2838 | TH2838H |
|---|---|---|---|
| Test frequency | 20 Hz-1 MHz | 20 Hz-2 MHz | 20 Hz-2 MHz |
| Basic accuracy | 0,05 % | 0,05 % | 0,05 % |
| AC voltage signal | 5 mVrms-2 Vrms | 5 mVrms-2 Vrms | Max. 20 Vrms |
| Current (AC) | 50 µArms-100 mArms | 50 µArms-100 mArms | Max. 100 mArms |
| DC bias voltage | 0 V-±10 V | 0 V-±40 V | 0 V-±40 V |
| Current (DC) | 0 mA-±100 mA | 0 mA-±100 mA | 0 mA-±100 mA |
| External DC bias Max. | 120 A (with 6× TH1778) | ||
| Independent voltage source | N/A | -10 V-+10 V | -10 V-+10 V |