RuoShui 4090 Digital LCR Meter Desktop Capacitance Resistance Impedance Inductance Measure Instrument Electric Bridge Component

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$170.99 $284.98
Model: RuoShui 4090 Digital LCR Meter
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RuoShui 4090 Digital LCR Meter Desktop Capacitance Resistance Impedance Inductance Measure Instrument Electric Bridge Component


VC4090 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%.

● Support SCPI communication protocol
● Provide system settings, which can configurelanguage, buzzer, screen brightness,etc accordingto the needs of users.
● Basic accuracy 0.2%
● Manual and automatic range
● Be equipped with open circuit andshort circuit correction
● Comparator has sorting and alarm function
● Provide a variety of test ports
● Measurement frequency up to 100kHz
● Test level 100 ~ 2000mV
●Support the measurement of DCresistance and electrolytic capacitor
●Internal bias voltage output (1mV-1500mV)
●Automatic identification ofcomponent measurement
●3.5-inch TFT display, 5 and a half bits display
●USB, RS232 communication interface,Handle sorting
● Data recording function (maximum andminimum values, average value)









Main parameter: 5 digits; secondary parameter: 5 digits

Measurement Parameter

Main parameter: L/C/R/Z; secondary parameter: X/D/Q/θ/ESR

Measurement Range(L)

0.001μH - 9999H

Measurement Range(C)

0.001pF - 9999μF

Measurement Range(R)

0.0001Ω - 99.99MΩ

Basic Accuracy


Test Frequency (Hz)






10 point


16 point

Continuously adjustable(1Hz)

Continuously adjustable(1Hz)


2 times/second (slow), 5 times/second(medium speed), 10 times/second (fast)

Internal Bias

0-1500mV adjustable, 1mV stepping

Test Level

100mV, 300mV, 600mV, 1000mV, 1500mV, 2000mV


Continuously adjustable (1mV)

Correction Function

Open circuit correction, short circuit correction

Screening function

The screening limit can be set from -100% to +100%

with fixed points of 10%, 25%, 50%

Selection of comparator

Five gear sorting, third gear qualified, one gear failed, one ancillary gear

Communication Interface

Standard configuration: USB, RS232 (or 485),Handle interface;

Optional: GPIB, USB Host
Support DCR, electrolytic capacitor measurement mode,adjustable backlight brightness, optional in English and Chinese

Shipping Methods

The total estimated time it takes to receive your order is shown below:


The total delivery time is calculated from the time your order is placed until the time it is delivered to you. Total delivery time is broken down into processing time and shipping time.
Processing time: The time it takes to prepare your item(s) to ship from our warehouse. This includes preparing your items, performing quality checks, and packing for shipment.
Shipping time: The time for your item(s) to travel from our warehouse to your destination.

Recommended shipping methods for your country/region are shown below:

 Ship From: CN Warehouse 
Shipping method(s) Shipping time Tracking information
4PX-PostLink Registered Mail 6-20 business days Tracked: or
ChinaPost EUB Registered Mail 15-30 business days Tracked
China Registered Mail 20-60 business days Tracked

 Ship From: ES Warehouse  

Warehouse Veguilla s/n,Nave G,Cabanillas del Campo,Guadalajara,es.19171

Shipping Method(s): GLS-ASM,UPS
Reference time:
Spain: 2-3 days
Portugal, French, Germany, Italy, Austria, Czech Republic ,Luxembourg ,Netherlands, Belgium,Hungary, Poland,Slovakia ,Slovenia : 7-14 days
Remote areas: not guaranteed
Tracking information:

 Ship From: RU Warehouse 

Warehouse address:ул. Сходненская, строение 1, корпус 12.Солнечногорский р-н, с/п Луневское, д. Черная грязь, Московская обл 141580.

Shipping Method(s):  CSE / CDEK
Reference time:
Moscow: 2-3 days
Around Moscow : 7-14 days
Central Russia: >14 days
Remote areas: not guaranteed
Tracking information:

(1) The shipping time mentioned above refers to the estimated time of business days that the shipment will take after an order has been shipped.
(2) Business days do not include Saturday/Sunday and any public holidays.
(3) These estimates are based on normal circumstances and are not a guarantee of delivery times.
(4) We are not responsible for the failures or delays in delivery resulting from any force majeure event, such as natural disaster, bad weather, war, customs issues, and any other event beyond our direct control.
(5) Expedited shipping can not be used for PO Box addresses
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