100kV AC DC Digital Voltage Divider

Product Introduction

This product is a resistive-capacitive equal-potential shielded voltage divider high-voltage measuring device. It is primarily used for measuring pulse high voltage, lightning high voltage, and power frequency high voltage. It is the preferred replacement for high-voltage AC/DC voltage dividers. Featuring simple operation, intuitive display, high accuracy, compact size, and light weight, it serves as ideal high-voltage measurement equipment for power plants, substations, high-voltage electrical equipment manufacturers, and high-voltage testing laboratories.

This AC/DC voltage divider connects to the high-voltage measurement terminal via instrument cables, enabling clear remote readings with safe and convenient operation. Featuring high input impedance and excellent linearity, this series employs specialized shielding technology to minimize high-voltage interference on readings, achieving high stability and linearity.

Utilizing imported filling materials, the design achieves a more compact structure, lighter weight, and higher reliability, minimizing internal partial discharge. Its small size and light weight make it highly portable, greatly facilitating on-site testing operations.

Product Parameter (specification)

Divider Impedance	1200 MΩ
Voltage Rating	AC 100kV, DC 100kV
Display Range	Low Range 0-20kV, High Range 0-100kV
AC Measurement Method	True RMS Measurement
Accuracy	AC 1.0%, DC 0.5%
Insulation Medium	DuPont Dry-Type Insulation Material
Voltage Divider Ratio	1000：1
Coaxial Cable Length	3m
Operating Temperature Range	0~40℃
Operating Humidity Range	≤85%RH

Product feature and application

1. High Accuracy

Utilizing precision high-voltage film capacitors and precision high-voltage glass-glazed resistors, the instrument features high input impedance, reduced test current, low power consumption, and enhanced measurement accuracy and stability.

The signal processing section employs high-performance operational amplifiers for signal amplification, leveraging the latest dual-integrating AD sampling technology. With a 4.5-digit LCD display and a maximum resolution of 0.001kV, it represents the next generation of high-voltage electrostatic voltmeters.

2. Excellent Anti-Interference Performance

Special shielding technology is employed. The smooth, glossy surface of the aluminum alloy equalizing sphere effectively improves the surrounding electric field distribution, prevents corona discharge, and enhances measurement data immunity to interference. The low-voltage display meter features a fully enclosed metal shielding structure. High-quality coaxial cables connect the high-voltage divider and low-voltage display meter, minimizing high-voltage interference on readings to achieve high stability and linearity.

3. Safe and Reliable

This instrument consists of a high-voltage divider and a low-voltage display meter. The high-voltage divider utilizes DuPont filling material from the USA and is encapsulated using specialized processes. It features a smaller structure, lighter weight, minimized internal partial discharge, and higher reliability. There is no risk of oil leakage. During operation, the high-voltage divider and low-voltage meter are connected via coaxial cable, keeping the high and low voltage sections at a safe distance for reliable and secure operation.

4. Simple Operation

High/low voltage and AC/DC modes are switched via DIP switches for quick and convenient operation. A four-and-a-half-digit LCD directly displays measurement results in a simple and intuitive manner, greatly facilitating on-site testing.

5. Portable Design

Featuring a portable structure, the entire unit is housed in an aluminum alloy case for easy assembly and disassembly. Its compact size and light weight make it highly portable and user-friendly.

Prodection details

MEFRC-W100kV AC/DC Digital Voltage Divider Designed for power systems and electrical/electronic equipment manufacturing sectors, this device measures power-frequency AC and DC high voltages, providing precise data support for high-voltage related testing operations.

Company Qualifications

FAQ

1)How is the anti-interference performance of the MEFRC-W100kV AC/DC Digital Voltage Divider achieved?

Answer: This instrument employs multiple specialized designs to ensure anti-interference capabilities. First, the smooth, glossy surface of the aluminum alloy equalizing sphere improves surrounding electric field distribution, prevents corona discharge, and enhances measurement data immunity to interference. Second, the low-voltage display meter employs a fully enclosed metal structure for shielding. Finally, the high-voltage divider connects to the low-voltage display via high-quality coaxial cable, minimizing high-voltage interference on readings to achieve high stability and linearity.

2)What special precautions should be taken after measuring DC high voltage with the MEFRC-W100kV AC/DC Digital Voltage Divider?

Answer: After completing DC high-voltage measurements, first disconnect the high voltage. Wait until the low-voltage display instrument returns to zero before entering the site. Due to the presence of filter capacitors in the instrument, it must be discharged before approaching the high-voltage divider to avoid safety hazards from residual charge.

3)Can the high-voltage divider of the MEFRC-W100kV AC/DC Digital Voltage Divider be used independently? If so, how is measurement performed?

Answer: Yes, it can be used independently. When using the high-voltage divider alone, a standard multimeter can replace the low-voltage display meter. Since the high-voltage divider has a voltage division ratio of 1000:1, connect the multimeter to the signal sampling output terminal of the high-voltage divider during measurement. Read the multimeter value and multiply it by 1000, or directly convert the multimeter reading unit to kV to obtain the measured high-voltage value.

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