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VLF Sine Wave High Voltage Test Set 37 kV

VLF Sine Wave High Voltage Test Set 37 kV Specification

Accuracy
(2% of reading + 2 digits)

Usage & Applications
Cable insulation testing, commissioning, fault location

Batteries Type
Mains powered (no batteries required)

Resistant Feature
Moisture and dust resistant

Pressure
Atmospheric

Product Type
VLF Sine Wave High Voltage Test Set

Material
Metal body with ABS insulation covers

Measuring Voltage Range
0 - 37 kV (peak)

Operating Temperature
-10C to +50C

Frequency (MHz)
0.1 Hz, 0.05 Hz, 0.02 Hz adjustable

Insulation Box
High strength composite insulation

Protection System
Overcurrent, Overvoltage, Zero-Start Protection, Emergency Stop

Warranty
1

Size
Portable, compact

Color
Grey & blue

Dimension (L*W*H)
approx. 460 mm 330 mm 260 mm

Weight
approx. 18 kg

Interface
RS232/USB (optional)

Auto Discharge
Built-in automatic discharge system

Alarm System
Visual and audible alarm indication

Output Waveform
Sine wave (VLF)

Data Storage
Onboard internal memory

Safety Standard
IEC 61010-1 Compliant

Output Current
Up to 30 mA (max)

Test Time
Selectable 15 min/30 min/Continuous

Display Type
Digital LCD

Control
Microprocessor based automatic control

Cooling Method
Air cooled

VLF Sine Wave High Voltage Test Set 37 kV Trade Information

Minimum Order Quantity
1 Piece

Payment Terms
Cash in Advance (CID)

Supply Ability
10 Pieces Per Month

Delivery Time
10 Days

Main Domestic Market
All India

About VLF Sine Wave High Voltage Test Set 37 kV

The 37 kV VLF Sine Wave Test Set is designed for reliable high-voltage testing of medium-voltage power cables and electrical equipment. It generates a true sine wave at very low frequency, ensuring accurate insulation condition assessment without stressing the asset. Widely used for cable withstand testing and diagnostics, it complies with international standards. The compact and portable design makes it suitable for field and site testing. Ideal for utilities, EPC contractors, and maintenance teams.

Technical Specifications

Product Code: VLF-SINE-37KV
Output Voltage: Up to 37 kV (peak)
Output Waveform: True Sine Wave
Test Frequency: 0.1 Hz (typical)
Rated Capacity: Suitable for MV cable testing
Input Supply: 230 V AC, 50 Hz
Control Mode: Digital control with LCD display
Accuracy: 3% of reading
Operating Temperature: 0C to +45C
Weight: Approx. 3545 kg (model dependent)
Dimensions: Compact trolley / portable cabinet design

Reliable High Voltage Testing Made Simple

Offering both portability and high performance, the VLF Sine Wave High Voltage Test Set is engineered for safe and precise cable insulation testing. The compact, air-cooled design allows for easy handling, while the high strength composite insulation box maximizes operator safety. Automatic features such as built-in discharge and comprehensive protection systems streamline the testing process, reducing manual intervention and enhancing reliability each time it's in use.

Versatile and Accurate for Diverse Applications

This test set is suitable for commissioning, maintenance, and fault location in a variety of cable systems. The device's selectable frequencies and adjustable test times ensure adaptability for different cable types and testing standards. Its digital LCD display and microprocessor-controlled automation offer high accuracy (2% of reading + 2 digits), enabling operators to make well-informed decisions during fieldwork.

FAQ's of VLF Sine Wave High Voltage Test Set 37 kV:

Q: How is the VLF Sine Wave High Voltage Test Set 37 kV used for cable insulation testing?

A: The test set applies a very low frequency (VLF) sine wave voltage up to 37 kV to cables, assessing the integrity of the insulation. Operators choose test parameters depending on cable specifications, and the automated microprocessor-based system handles test execution, safety protocols, and data storage.

Q: What safety features are integrated into this high voltage test set?

A: This test set has multiple safety layers, including overcurrent and overvoltage protection, zero-start interlock, an emergency stop button, and an automatic discharge system. Visual and audible alarms provide immediate fault indication during operation.

Q: When should I select different test times or frequencies?

A: Test time and frequency settings (15 min, 30 min, or continuous; 0.1 Hz, 0.05 Hz, or 0.02 Hz) are chosen based on cable length, insulation type, and the relevant testing standard. Shorter or older cables may require shorter durations and adjusted frequencies for accurate results.

Q: Where can data from a test session be retrieved or analyzed?

A: Test data is stored in the onboard internal memory and can be accessed directly on the digital LCD panel. For further analysis, data can be exported via the optional RS232 or USB interface to external devices or computers.

Q: What is the benefit of using this device for cable fault location?

A: By applying controlled high voltage and monitoring response, the test set helps pinpoint insulation defects or faults without damaging healthy sections of cable. This proactive approach minimizes downtime, enhances safety, and reduces maintenance costs.

Q: How does the built-in automatic discharge system work?

A: After completing a test, the device automatically discharges any remaining voltage in the cable, preventing potential electrical hazards for users and enhancing operational safety.

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