Application
Ultra-low frequency insulation withstand voltage test is an alternative test method for the power frequency withstand voltage test.The test procedure is greatly reduced, which is more advantageous than the power frequency test. It can be widely used in the AC withstand voltage test of cables, large high voltage rotary motors and power capacitors.This product combines the advanced technology of modern digital frequency conversion, adopts microcomputer control, step-up, step-down, measurement, protection fully automatic, and can perform manual intervention in the automatic promotion process. Because of the full electronic, the volume small weight light, large screen liquid crystal display, clear and intuitive, and can display the output waveform, print output test report. In addition, the following features need to be specified:

Product Features:
1.real and accuracy test results of current, voltage, waveform directly get from high voltage lateral sampling.
2.over-voltage protection: device stop running when output over setting max voltage, time <20ms.
3.over-current protection:double protection for high and low voltage, stop running accuracy protect high voltage according to set parameter, stop running when low voltage current over rated current, time <20ms.
4.no need to connect extra protection reactor because of high voltage protection reactor inside booster.
5.due to use high and low voltage closed loop control circuit, output without capacitive rise effect.

Main Parameter:
1,Related output voltage:see sheet 1
2,Output Power:0.1Hz,0.05Hz,0.02Hz
3,On load capacity:see sheet 1
    0.1 Hz     Max1.1 μf
     0.05 Hz    Max2.2 μf
     0.02 Hz    Max5.5 μf
4,Measurement Accuracy:1%
5,Voltage Plus&Minus Peak Value Error:≤3%
6,Voltage Waveform Distortion:≤5%
7,Working Condition:indoor,outdoor; temperature:-10ºC∽+40ºC;humidity:≤85%RH
8,Power Supply:AC 50 Hz/60Hz,220V ±5%
9,Power source protective-tube:See sheet 1

1. Electrical Technology, Security Experts: with 15-years experience in manufacture of Surge(lighting) Arrest(3Kv-36Kv gap, gap-less), Intelligent Contact Withstand Voltage Test Device, DC High Voltage Generator, Ultra-low Frequency Voltage Generator, Cable Fault Tester, Automatic Loop Resistance Tester, Intelligent Large Current Generator, Microcomputer Relay Protection Tester, DC Resistance Tester, Transformer Turns Ratio Tester, Insulation Oil Withstand Voltage Tester, High Voltage Switch Mechanical Characteristics Tester, Transformer Dielectric Loss Tester, Standard Voltage Divider, Intelligent Touch Insulated Boots (Gloves) Withstand Voltage Testing Device, Partial Discharge Test System, Transformer Comprehensive Test Table and other power test, test equipments.
2. Stable and reliable quality: manufacturing process is strictly complied with ISO 9001.
3. Payment terms: TT, L/C
4. High-efficiency production: samples delivery time is within 7 days, mass production leading time is 20-30 days, it also depends on your order quantity.
5. OEM service, can provide a complete set of solution for customer's different test requirements.

Wuhan United Electrical Equipment manufacturing Co., Ltd founded in 2002, reorganized by electrical test equipment factory of former Wuhan high voltage research institute, is a high quality equipment supplier of China State Grid. After years of continuous innovation has become as a professional production and sale electric power testing, test equipment of high-tech enterprise integrates the ability to scientific research, development, production and sales, service, with kinds of patents, its core technology is in the same industry leading lever, and cooperates with the research institutes of Tsinghua University, Peking University and Chiao Tung University. Our sales and service are all over the country and exported to America and Europe, southeast Asia markets such as USA, Singapore and other overseas markets.

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