Product Overview & Applications
The Capacitor Divider of Resonant Test Set is a specialized high - voltage measurement device designed for variable - frequency series resonant AC withstand voltage systems. It is widely used in high - voltage testing scenarios across power systems, including power plants, substations, electrical manufacturing facilities, and high - voltage laboratories. This divider enables precise measurement of power - frequency AC or DC high voltages, serving as a reliable alternative to traditional high - voltage electrostatic voltmeters. It is suitable for both on - site testing and laboratory environments requiring accurate high - voltage measurements.
Key Features & Advantages
High - Precision Measurement: Utilizes precision high - voltage film capacitors and glass - glazed resistors to ensure high input impedance, low power consumption, and superior measurement accuracy and stability.
Superior Stability: Features advanced shielding technology and a fully enclosed metal structure to minimize electromagnetic interference and guarantee data accuracy.
Safety & Reliability: Encapsulated with DuPont dry dielectric material to prevent oil leakage. The extended distance between high - and low - voltage components ensures operational safety.
User - Friendly Operation: Equipped with a toggle switch for easy mode switching and a 4.5 - digit LCD display for intuitive readings.
Portability: Packaged in a lightweight aluminum alloy case for easy transport and assembly, ideal for outdoor operations.
Operating Conditions
Ambient Temperature: 0–40°C
Humidity: <85% RH
Environment: Dry, clean, and free from strong magnetic fields or corona discharge sources.
Additional Features
Includes a dedicated high - precision digital display for remote, clear readings via instrument cables.
It supports both AC and DC measurements, featuring True RMS for AC measurement.
The voltage divider is designed with no-load voltage rise compensation coordinating with the reactor and resonance for rated voltage operation.
Maintenance & FAQs
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Technical Specifications
Voltage Ratio: 1000:1
Accuracy:
Standard Model: AC 1.0%, DC 0.5%
High - Precision Model: AC 0.5%, DC 0.5%
Resolution: 0.001 kV
Measurement Range:
HMFRC - 50: AC 50 kV / DC 70 kV
HMFRC - 500: Higher voltage grades
Insulation Material: DuPont dry dielectric material
Signal Cable Length: Standard 4.5 m (custom lengths available).













