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VC4090A, high precision LCR digital bridge tester, resistance inductance capacitance meter

Барааны код: 402
Сагсанд хийх

Desktop LCR Digital Meters With Automatic Balance Bridge Principle


VICTOR 4090A LCR Meter Desktop Bridge LCR With Automatic Balance Bridge Principle Component Parameter Analyzer




This series desktop bridge incorporates 3.5-inch TFT display, user-friendly interface, and a variety of measurement parameters into one body. It is convenient for users to carry out remote control with USB and RS232 and also perform the sorting of components using handle. In function, it can not only adjust the output frequency and test level, but also record the value of components in the process of measurement. In the performance parameters, its basic accuracy reaches 0.2%. This manual will take “Type A” as an example.


● Measurement frequency up to 100kHz

● Test level 100 ~ 2000mV

● Support the measurement of DC resistance and electrolytic capacitor

● Internal bias voltage output (1mV-1500mV)

● Automatic identification of component measurement

● 3.5-inch TFT display, 5 and a half bits display

● USB, RS232 communication interface, Handle sorting

● Data recording function (maximum and minimum values, average value)

● Support SCPI communication protocol

● Provide system settings, which can configure language, buzzer, screen brightness, etc according to the needs of users.

● Basic accuracy 0.2%

● Manual and automatic range

● Be equipped with open circuit and short circuit correction

● Comparator has sorting and alarm function

● Provide a variety of test ports


General technical specifications

  • Power voltage: 220V.AC/50Hz ±10%,OR 110V.AC(optional)
  • Power consumption: <10W
  • Display: 3.5” TFT LCD, resolution 480*320
  • Interfaces: standard: RS232(or 485), USB Device, Handler ;optional :GPIB,USB Host
  • Service environment: 0°C-40°C
  • Sizes: 265mm*105mm*305mm (L*W*H)
  • Weight: 2.1 kg

Standard accessories:

  • Three-core power cord
  • 4-terminals of kelvin testing cable
  • Gilded short circuit bar

Optional accessories:

  • GPIB cable
  • RS232 serial port line
  • USB cable
  • 2m/4m test cable
  • Lead-type kelvin testing fixture
  • SMD components t testing fixture
  • LCR testing pen/4-lines SMT components testing fixture
  • Kelvin testing fixture

Main technical indicators

Model VC4090A VC4090B VC4090C VC4091A VC4091B VC4091C
Testing frequency

















10~10KHz Continuously adjustable,

a step of 1 Hz

10~20KHz Continuously adjustable,

a step of 1 Hz


Continuously adjustable,

a step of 1 Hz

Display screen 3.5” TFT LCD screen
Number of display digits

Principal parameter: 5 digit

Secondary parameter: 5 digit

Measured parameter:

Principal parameter: L/C/R/Z

Secondary parameter: X/D/Q/θ/ESR

Measurement range




Basic accuracy 0.2%
Measuring display speed 2 time/s (slow), 4 times/s (medium), 8 time/s (fast)
Internal bias 0-1500mV adjustable, at a step of 1mV.
Testing level Six fixed level(0.1V,0.3V,0.6V,1V,1.5V,2V) 0.1~2V adjustable, at a step of 1mV.
Signal source output impedance 30Ω,100Ω
Calibration function Open circuit calibration, short circuit calibration
Screening function The limit range of screening can be set to -50%~+50%, and the fixed points are 1%, 5%, 10% and 20%.
Comparator 5 groups sorting,3 groups of qualified setting, one group of unqualified setting, one group of auxiliary setting
Interfaces standard: RS232(or 485), USB Device, Handler ;optional :GPIB,USB Host
Others Support dc resistance (DCR), electrolytic capacitor measurement model,Adjustment of backlight brightness, Chinese and English are optional



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