30-80kv Power Cable Very Low Frequency High Voltage Generator 80kv AC Vlf Hipot Cable Tester Ultra-Low Frequency 0.1Hz Ulf Vlf 30kv High Voltage Hipot Tester

• Customization: Available
• After-sales Service: Yes
• Warranty: 1 Year
• Model NO.: VLF-H
• Mass Scope of Workpiece: <900kg
• Display: Digital
• Control: Computer Control
• Weight: 0-100Kg
• Power Source: AC220V
• Peak Voltage: 30kv
• Output Rated Voltage: 30kv
• Output Frequency: 0.1Hz,0.05Hz,0.02Hz,0.01Hz
• Accuracy: ± (3% of Full Scale +0.5 Kv)
• Voltage Waveform Distortion: ≤5%
• Voltage Positive/Negative Peak Error: ≤3%
• Temperature: -10ºC~+40ºC
• Humidity: ≤85%Rh
• Language: English
• Standard: CE/ISO/IEC
• Power Supply: AC50 Hz,220V ±5%
• Power Fuse: 10A
• Response Time: ≤20m
• Color: Black
• Customized: Customized
• Transport Package: Wooden Box with Foam Inside
• Trademark: GDGK
• Origin: Hubei, China(Mainland)
• HS Code: 9030339000
• Production Capacity: 500/Month

Product Description

VLF-H Series 0.1Hz Programmable Very-Low Frequency High Voltage Generator
Features
Quadruple protection with response time ≤20ms
Optoelectronic controller ensures safety and reliability
High/low-voltage loop negative feedback control eliminates capacitance rise effect
Theoretical capacity: 1/500 of power frequency
Digital frequency conversion technology with microprocessor-controlled automation
Sinusoidal voltage output with instability ≤1%

Overview

    This instrument serves as a direct method for evaluating the insulation strength of cross-linked polyethylene (XLPE) power cables, providing critical reference data to determine whether in-service XLPE cables remain operational. As a core product independently developed by our company, the next-generation 0.1Hz ultra-low frequency high-voltage generator overcomes limitations of first-generation mechanical systems, delivering superior cost-performance compared to imported counterparts. It is particularly suited for withstand voltage tests on electrical equipment with large equivalent insulation capacitance, including power cables, capacitors, and medium/large generators/motors.

Technical Parameters

Model	Peak Voltage	Measurement Range	Weight	Application Scope
VLF-H30/1.1	30kV	≤1.1μF @0.1Hz ≤2.2μF @0.05Hz ≤5.5μF @0.02Hz	Controller: 4kg Booster: 25kg	Cables/motors ≤10kV
VLF-H40/1.1	40kV	≤1.1μF @0.1Hz ≤2.2μF @0.05Hz ≤5.5μF @0.02Hz	Controller: 5kg Booster: 25kg	Cables/generators ≤13.8kV
VLF-H50/1.1	50kV	≤1.1μF @0.1Hz ≤2.2μF @0.05Hz ≤5.5μF @0.02Hz	Controller: 6kg Booster: 40kg	Cables/generators ≤15.75kV
VLF-H60/1.1	60kV	≤1.1μF @0.1Hz ≤2.2μF @0.05Hz ≤5.5μF @0.02Hz	Controller: 6kg Booster: 45kg	Cables/generators ≤18kV
VLF-H80/0.5	80kV	≤0.5μF @0.1Hz ≤1.0μF @0.05Hz ≤2.5μF @0.02Hz	Controller: 7kg Booster: 65kg	Cables/generators ≤35kV

    Wuhan Huadian High-tech Electrical Equipment Co.,Ltd(Huadian Hi-Tech), established in 2007, is specialized in R&D, production, sales, and technical services for high-voltage test equipment, power metering instrument and transformer substation detection system, while delivering professional comprehensive one-stop electrical testing solutions.
    Our core business spans ten product lines, including series resonance test system, circuit breaker test equipment, transformer test equipment, high-voltage test equipment, relay protection test devices, secondary circuit test equipment, cable/surge arrester test equipment, grounding/insulation test equipment, power metering test equipment, oil/SF6 detection equipment. With continuous innovation, we own proprietary patented technologies and multiple utility model patents. All products strictly comply with international/national standards and industry regulations, certified by national/provincial/municipal power authorities, and fully meet ISO 9001 Quality Management System requirements.
    Our products serve more than 30 industries including energy, railways, petrochemicals, and environmental protection. Our service network covers China and extends to international markets like India, Pakistan, and Africa. As an integrated high-tech enterprise, we uphold the principle of "Precision Engineering, Quality First" combining advanced R&D, precision manufacturing, and technical services to provide safe, reliable, and intelligent testing solutions.

1.When can l get the price?
We usually quote within 6 hours after we get your inquiry. If you are very urgent to get price, please call us or tell us in your email so that we will regard your inquiry priority.
2.Whether the products can be customized?What about the leading time for production?Whether they can be customized?
After the goods have been ordered, we can be made to order according to the special requirements of customers by using the latest technology.
Honestly, it depends on the order quantity and the product. Usually our leading time is 7 working days after order confirmed. 
3.What is your terms of delivery?
We accept EXW, FOB, CFR, ClF, ect. You can choose the one which is the most convenient and cost effective for you.
4.How much will be the shipping cost and time?
This will depend on the size of your goods and the method of shipping (by sea/ by air/by Express) and your designated port or air port, We will be grateful if you can spare us some minutes to help us since it will enable us to evaluate the cost based on the information provided.
5.Could you please tell me the Warranty Period of your product?
Our warranty period is one year free and lifelong maintenance, and if the product we sell is damaged (if not man-made damage), in the first year, we will send free parts for replacement. Over the warranty, maintenance is paid service.
6.What kind of Certificate can you provide?
We can provide the CE mark, lSO 9001 quality certificate,the third party calibration certificate(CNAS), factory test report.
7.Do you have Technical Backup to all customers from different countries?
To be surely, our technical support is always available and quick response. We are manufacturer of so much on site testing experience and understand how to deal with your problems.Moreover, our engineers can go to your country to support if need.
8.How long is the offer valid?
30 days.
9.How can I supplement the vulnerable and consumable parts? What should I do with some broken parts?
If such a situation occurs, please contact us in time, we can provide vulnerable and consumable parts and spare parts supplement, and only charge the cost.
10.What is your terms of payment ? 
Payment<=1000USD, 100% in advance.