300kV AC/DC High Precision Portable High Voltage Divider for Accurate HV

The 300kV AC/DC High Voltage Divider is a high-precision, safe and portable testing instrument dedicated to high-voltage voltage measurement. It replaces traditional bulky electrostatic voltmeters and has become a mainstream standard testing device in the global power and electrical manufacturing industries.

With the rapid upgrading of power grid infrastructure, new energy power generation, high-voltage electrical equipment manufacturing, and power transmission and transformation engineering worldwide, the demand for accurate, stable and safe high-voltage detection tools continues to rise. This divider is widely applicable for factory outgoing testing, on-site commissioning, routine maintenance and scientific research testing of high-voltage equipment. It covers power system substations, transformer factories, high-voltage switchgear manufacturers, cable testing laboratories, and university electric power research institutes, featuring broad market prospects and strong industry universality.

Core Applications

This high voltage divider is widely used for accurate measurement and inspection of AC and DC high voltage in multiple scenarios:

• Power grid operation, maintenance and substation on-site testing
• Factory testing and quality inspection of transformers, high-voltage switches and power cables
• New energy power station high-voltage system detection
• Electric power scientific research experiments and university laboratory teaching
• High-voltage electrical product performance verification and type testing

Technical Specifications

Key Features

• High Precision & Stability:Adopts precision resistance-capacitance components and dual-integration AD sampling technology, with a resolution up to 0.001kV, AC accuracy ±1.5% and DC accuracy ±1.0%, ensuring reliable and repeatable test data.
• Strong Anti-Interference Ability:Integrates aluminum alloy equalizing shielding structure and full-metal closed shielding design, effectively eliminating electric field interference and tip discharge, adapting to complex on-site test environments.
• Safe & Durable:Filled with imported DuPont dry insulation materials, zero oil leakage, ultra-low partial discharge. The separated high-low voltage structure isolates operational risks and ensures operator safety.
• Easy Operation & Portable:Supports one-click AC/DC and high/low gear switching with intuitive LCD digital display. Compact lightweight body with an aluminum alloy case for easy carrying and field deployment.

Safety & Maintenance

Designed with industrial-grade safety protection, the device requires standard grounding and safe operating distance during use. It supports annual professional calibration to maintain long-term testing accuracy. Simple daily maintenance ensures stable long-term operation with low failure rate.

Warranty Terms

• 3-month free replacement for manufacturing defects
• 1-year free professional maintenance
• Lifetime paid after-sales support

Standard Packing List

High voltage divider ×1, digital display meter ×1, 5m coaxial cable ×1, grounding wire ×1, equalizing ball & base set, user manual, test report & qualification certificate