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[China]
Trade Verify
Address: No.1 Xinzhu Road, Xinbei District, Changzhou, Jiangsu, China
Contact name:David Lu
Changzhou Tonghui Electronic Co., Ltd, |
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Verified Suppliers
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An LCR Meter is a precision instrument used for measuring the inductance (L), capacitance (C), and resistance (R) of electronic components and circuits. It is equipped with a wide range of features and characteristics, making it suitable for various applications. Here is an overview of the LCR Meter's introduction, features, functions, and applications:
■ Test frequency: 20Hz-2MHz
■ High stability and consistency: 14 range configurations
■ High power: signal level: 20VAC/100mAAC
Built-in DC bias: ±40VDC/100mADC
Built-in current source: ±2A
■ DCR level: 20VDC/100mADC
■ High speed: dual CPU architecture, measurement speed up to 1000 times/s
■ High resolution: 10.1 inches, resolution 1280*800, capacitive touch screen
■ Three test methods: point test, list scan, and graph scan
■ Four-parameter measurement
■ 201 point multi-parameter list scanning function
■ Graphic scanning function, 4 trajectories can be selected arbitrarily, support 1/2/4 split screen
■ Sorting function: 10 levels of sorting in LCR mode
■ High compatibility: support SCPI/MODBUS instruction set, compatible with KEYSIGHT E4980A, E4980AL, HP4284A
| Model | TH2840A | TH2840B | ||
| Display | Display | 10.1" Touch Screen | ||
| Ratio | 16:09 | |||
| Resolution | 1280×RGB×800 | |||
| Parameter | Test Mode | Four Parameter Selectable | ||
| AC | Cp/Cs, Lp/Ls, Rp/Rs, |Z|, |Y|, R, X, G, B, θ, D, Q, VAC, IAC | |||
| DC | RDC, VDC, IDC | |||
| Frequency | Range | 20Hz-500kHz | 20Hz-2MHz | |
| Accuracy | 0.01% | |||
| Resolution | 0.1mHz (20.0000Hz-99.9999Hz) | |||
| 1mHz (100.000Hz-999.999Hz) | ||||
| 10mHz (1.00000kHz-9.99999kHz) | ||||
| 100mHz (10.0000kHz-99.9999kHz ) | ||||
| 1Hz (100.000kHz-999.999kHz) | ||||
| 10Hz (1.00000MHz-2.00000MHz) | ||||
| AC test signal mode | Rated value (ALC OFF) | Set the voltage as the Hcur voltage when the test terminal is open | ||
| Set the current to be the current flowing from Hcur when the test terminal is short-circuited | ||||
| Constant value (ALC ON) | Keep the voltage on the DUT the same as the set value | |||
| Keep the current on the DUT the same as the set value | ||||
| Test Level | AC Voltage | 5mVrms-20Vrms | F≤1MHz 5mVrms-20Vrms | |
| F＞1MHz 5mVrms-15Vrms | ||||
| Accuracy | ±(10%×Set Value+2mV) (AC less than 2Vrms) | |||
| ±(10%×Set Value+5mV)(AC＞2Vrms) | ||||
| Resolution | 1mVrms(5mVrms-0.2Vrms) | |||
| 1mVrms(0.2Vrms-0.5Vrms) | ||||
| 1mVrms(0.5Vrms-1Vrms) | ||||
| 10mVrms(1Vrms-2Vrms) | ||||
| 10mVrms(2Vrms-5Vrms) | ||||
| 10mVrms(5Vrms-10Vrms) | ||||
| 10mVrms(10Vrms-20Vrms) | ||||
| AC Current | 50μArms-100mArms | |||
| Resolution (100Ω Internal Resistance) | 10μArms (50μArms-2mArms) | |||
| 10μArms (2mArms-5mArms) | ||||
| 10μArms (5mArms-10mArms) | ||||
| 100μArms (10mArms-20mArms) | ||||
| 100μArms (20mArms-50mArms) | ||||
| 100μArms (50mArms-100mArms) | ||||
| RDC Test | Voltage | 100mV-20V | ||
| Resolution | 1mV(0V-1V) | |||
| 10mV(1V-20V) | ||||
| Current | 0mA-100mA | |||
| Resolution | 10μA(0mA-10mA) | |||
| 100μA(10mA-100mA) | ||||
| DC Bias | Voltage | 0V-±40V | ||
| Accuracy | AC=<2V 1%× Set Value+5mV | |||
| AC>2V 2%×Set Value+8mV | ||||
| Resolution | 1mV(0V-1V) | |||
| 10mV(±1V- ±40V) | ||||
| Current | 0mA-±100mA | |||
| Resolution | 10μA(0mA-10mA) | |||
| 100μA(10mA-100mA) | ||||
| Built-in current source | Current | 0mA-2A | ||
| Accuracy | I>5mA ±(2%×Set Value+2mA) | |||
| Resolution | 1mA | |||
| Test terminal configuration | Four Terminal Pair | |||
| Test cable length | 0m, 1m, 2m, 4m | |||
| Output impedance | 30Ω, ±4%@1kHz | |||
| 100Ω, ±2%@1kHz | ||||
| Computation | The absolute deviation from the nominal value Δ, the percentage deviation from the nominal value Δ% | |||
| Equivalent way | Series, Parallel | |||
| Calibration function | OPEN, SHORT, LOAD | |||
| Measurement average | 1-255 | |||
| Range selection | AUTO, HOLD | |||
| Range configuration | LCR | 100mΩ, 1Ω, 10Ω, 20Ω, 50Ω, 100Ω, 200Ω, 500Ω, 1kΩ, 2kΩ, 5kΩ, 10kΩ, 20kΩ, 50kΩ, 100kΩ | ||
| Rdc | 1Ω, 10Ω, 20Ω, 50Ω, 100Ω, 200Ω, 500Ω, 1kΩ, 2kΩ, 5kΩ, 10kΩ, 20kΩ, 50kΩ, 100kΩ | |||
| Measuring time (ms) | Fast+: 1ms | |||
| Fast:3.3ms | ||||
| Middle: 90ms | ||||
| Slow: 220ms | ||||
| Highest accuracy | 0.05% (refer to the instruction manual for details) | |||
| Measurement display range | ||||
| Cs, Cp | 0.00001pF-9.99999F | |||
| Ls, Lp | 0.00001μH-99.9999kH | |||
| D | 0.00001-9.99999 | |||
| Q | 0.00001-99999.9 | |||
| R, Rs, Rp, X, Z, RDC | 0.001mΩ-99.9999MΩ | |||
| G, B, Y | 0.00001μs-99.9999S | |||
| VDC | ±0V-±999.999V | |||
| IDC | ±0A-±999.999A | |||
| θr | -3.14159-3.14159 | |||
| θd | -179.999°-179.999° | |||
| Δ% | ±(0.000%-999.9%) | |||
| Multi-function parameter list scan | Dots Number | 201 points, average times can be set for each point, and each point can be sorted separately | ||
| Parameter | Test frequency, AC voltage, AC current, DC BIAS voltage, DC BIAS current (100mA), DC BIAS current (2A) | |||
| Trigger mode | Sequence SEQ: After a trigger, measure at all sweep points, and /EOM/INDEX will output only once | |||
| Step STEP: Perform a sweep point measurement each time it is triggered, and each point outputs /EOM/INDEX, but the list sweep comparator result is only output at the last /EOM | ||||
| Other features | 1. Scan parameters and test parameters have multiple copy functions | |||
| 2. Delay can be set for each scan point | ||||
| Comparators | Each sweep point can measure up to four test parameters, each parameter can set upper and lower limits, all test parameters are qualified, output PASS signal, otherwise output FAIL signal, no upper and lower limits are set, no judgment | |||
| Graphic scan | Scan points | 51, 101, 201, 401, 801 Optional | ||
| The results | The extreme value of each parameter and the sweep parameter value at the point where the cursor is located and the corresponding test parameter value | |||
| Scan trajectory | 1-4 test parameters can be selected arbitrarily, the scanning curve can be divided into one screen, two screens, or four screens. | |||
| Display range | Real-time automatic, locked | |||
| Coordinate ruler | Logarithmic, linear | |||
| Scan parameters | Frequency, AC voltage, AC current, DCV BIAS / DCI BIAS (100mA) / DCI BIAS (2A) | |||
| Trigger mode | single | Manually trigger once, and complete a scan from the start point to the end point, and the next trigger signal starts a new scan | ||
| continuous | Infinite loop scanning from start to end | |||
| Results save | Graphics, files | |||
| Comparators | Bin | 10Bin, PASS, FAIL | ||
| Bin deviation setting | Deviation value, percentage deviation value, off | |||
| Bin mode | Tolerance, continuous | |||
| Bin count | 0-99999 | |||
| Discrimination | Up to four parameter limit ranges can be set for each file. The corresponding file number is displayed within the setting range of the four test parameter results. without the upper and lower limits are automatically ignored. | |||
| PASS/FAIL indication | Meet Bin1-10, the PASS light on the front panel is on, otherwise the FAIL light is on | |||
| Data cache | 201 measurement results can be read in batches | |||
| Store call | Inside | About 100M non-volatile memory test setting file | ||
| External USB | Test setting file, screenshot graph, record file | |||
| Keyboard lock | The front panel keys can be locked, other functions to be expanded | |||
| Interface | USB HOST | 2 USB HOST ports, can connect mouse and keyboard at the same time, only one U disk can be used at the same time | ||
| USB DEVICE | Universal serial bus socket, small type B (4 contact positions); compatible with USB TMCUSB488 and USB2.0, the female connector is used to connect an external controller. | |||
| LAN | 10/100M Ethernet adaptive | |||
| HANDLER | Used for Bin signal output | |||
| External DC BIAS control | Support TH1778A | |||
| RS232C | Standard 9-pin, cross | |||
| RS485 | Can accept modification or external RS232 to RS485 module | |||
| Power-on warm-up time | 60 Minutes | |||
| Input voltage | 100-120VAC/198-242VAC Option, 47-63Hz | |||
| Power consumption | More than 130VA | |||
| Size (WxHxD) mm3 | 430x177x265 | |||
| Weight (kg) | 11kg | |||
| Standard | ||||||
| Accessories name | Model | |||||
| Fixture | TH26048 |  | ||||
| Short circuit | TH26010 |  | ||||
| Kelvin test lead with box four-terminal insulation and lock | TH26011BS |  | ||||
| Optional | ||||||
| Accessories name | Model | |||||
