Vlf Series Vlf Hipot High Potential Tester for Dielectric Withstand Test

Using a full scientific good quality administration system, very good quality and superior faith, we win good standing and occupied this discipline for digital display insulation resistance tester, kinematic viscosity testing apparatus, Asphalt Viscosity Test Equipment. Our company pays attention to our own rational development, improves the connotation of corporate culture and attaches importance to the cooperation and development with international peers, so as to build a sky of brilliant future in the increasingly competitive market. We make the brand grow by giving full play to the intelligence of our employees, and reflect the value of our employees through the development and growth of the brand. We always take the joining of professional talents as an important way to maintain the company's rapid development and talent advantage.

1. Application
Portable Very Low Frequency High Voltage Power Tester VLF Test Set is designed and manufactured by FUOOTECH specially for withstand voltage testing of electrical voltage 10kV/35kV/300MW thermal power machine, 10kV/35kV power transformers and lines, and all electrical main equipment.

FUOOTECH manufactures the most portable and easiest to use VLF hipots available. Offering the largest selection in the industry (including CE marked models), voltage ratings range from 30 kV ~ 120 kV with load ratings from 0.5 µF ~ 5.5 µF. FUOOTECH has been the world's leading source for VLF test equipment since 2002.

Very low frequency high voltage power test is essentially an alternative of power frequency withstand voltage test. VLF hipots perform voltage withstand tests and provide the voltage source for diagnostic cable testing. Customers frequently purchase tan delta and partial discharge measurement accessories along with VLF equipment to further extend their testing capabilities.

FUOOTECH provides the largest selection of VLF test instruments, the most powerful and highest voltage models which are durable, economical, and easy to use.

2. Where is VLF used?

VLF testing is used for any application requiring AC testing of high capacitance loads. The major application is for testing solid dielectric cable (per IEEE400.2), followed by testing large rotating machinery (per IEEE 433-1974), and occasionally for testing large insulators, arrestors, and the like.

Even if a utility doesn't adopt VLF for widespread cable testing, one of the best reasons to use VLF is to check installation quality and accessories, like splices. Many failures are due to damage during installation and/or defective workmanship. At the very least, every newly installed or repaired cable should be VLF tested before re-energizing.

3. Technical Parameters

Table 1:

4. More Technical Data for Various Models

Table 2:

More details on VLF testing 30/40/50/60/70/80/90kV, please contact FUOOTECH, we have professional tech team to design correctly designed products and systems.

5. Functions & Features

1). Data of current, voltage, wave form can be directly sampled at high voltage side, so the data is real and accurate.

2). Overvoltage protection: If the output exceeds the set limit of voltage, the instrument will shut-down to protect itself; the actuation time is less than 15ms.

3). Overcorrect protection: it is high-low voltage dual protection in the design, the accurate shut-down protection can be made according to the set value at high voltage side; If the current on low voltage side exceeds the rated current, the instrument will take shut-down protection, the actuation time are both less than 15ms.

4). A high voltage output protective resistor is provided in the voltage boost body in the design and this eliminates the need of additional protective resistor connected outside.

5). As a result of high and low voltage closed-loop negative feedback control circuit, the output without capacitive rise effect.

6). High-voltage control part adopts innovative light control HV switching unit, control is accurate, safe and reliable;

7). With color man-machine interface touch control plus controls modular software operating system, precise and intuitive

8). Multi-purpose, can simultaneously measure tested objects capacitance, insulation resistance, leakage current, and AC withstand voltage test
 

6. Stocks at office

7. Packing, Delivery, Shipping and Payment

8. Certificates

9. After-sales Service

1) We offer 24 months of warranty for all our products from the date of shipment.

2) Even if the warranty period is expired, we still provide lifelong maintenance, technical service and spare parts supply.

3) We guarantee the maintenance time no more than 3 working days and response time within 2 hour.

4) We creat independent file for each true buyer to record the product service and maintenance conditions.

5) We can offer on-site installation, commissioning and training at client's cost.

6) If you have any question, please contact us freely by E-mail, Telephone, WhatsApp, Skype, etc.

Welcome to contact us for your inquiry and order.

We contribute to sustainable development through measures such as developing new technologies and providing high-quality, low-energy Vlf Series Vlf Hipot High Potential Tester for Dielectric Withstand Test. Our employees have the spirit of selfless dedication, and always do their best for the development and future of the company. Adhering to the spirit of optimization and innovation, our company pursues the development goal of customer-centric and product-oriented. We sincerely hope to work together with new and old friends to create a better tomorrow.