Precision Panel Meters & Electrical Measurement Solutions

KDS Instrument (Kunshan) Co., Ltd. delivers high-accuracy ammeters, voltmeters, frequency meters, shunts, and current transformers for industrial, marine, energy, and automation systems.

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Analog & Digital Meters

High-precision BE, BO, BP, and digital series for voltage, current, frequency, and power.

Shunts & Transformers

Reliable shunts and current transformers for accurate current measurement and signal isolation.

Industrial Applications

Trusted in high-speed rail, marine, welding, audio amplifiers, and State Grid systems.

About KDS Instrument (Kunshan) Co., Ltd.

KDSI is a leading manufacturer of precision electrical measurement instruments based in Kunshan, China. With years of engineering expertise, we specialize in analog and digital panel meters, shunts, and current transformers designed for reliability and accuracy in demanding environments.

Our products are widely used across industries such as high-speed rail transit, marine systems, industrial machinery, welding equipment, and national power grids. We are committed to quality, innovation, and customer satisfaction.

Certified Quality

ISO and industry-standard compliant manufacturing processes ensure consistent performance.

Global Reach

Trusted by partners and clients across Asia, Europe, and the Americas.

Our Product Categories

Explore our full range of electrical measurement instruments designed for precision, durability, and seamless integration.

Voltmeter / Voltage Meter

Analog and digital voltmeters for AC/DC voltage monitoring with high accuracy and stability.

Types: BE, BO, BP, Digital
Range: 0-30V to 0-600V
Accuracy: ±1.0% to ±1.5%

Ammeter / Current Meter

High-performance ammeters for precise current measurement in industrial and power systems.

Types: BE, BO, BP, Digital
Range: 0-1A to 0-5000A (with shunt)
Accuracy: ±1.0% FS

Frequency Meter

Designed for monitoring AC frequency in generators, inverters, and power distribution systems.

Range: 45-65Hz, 400Hz options
Input: 100V, 120V, 220V
Accuracy: ±0.5%

Power Meter

True power measurement for monitoring real-time energy consumption and load management.

Type: Analog & Digital
Function: Active/Reactive Power
Integration: With CT & PT

Shunt

Precision current shunts for converting high current to measurable voltage signals.

Range: 50mV, 75mV, 100mV
Current: 10A to 5000A
Material: Manganin alloy

Current Transformer (CT)

Isolation and step-down transformers for safe and accurate current measurement.

Ratio: 50/5A to 5000/5A
Class: 0.5, 1.0
Mounting: Panel or DIN rail

Power Factor Meter

Monitors power factor in AC systems to optimize energy efficiency and reduce losses.

Range: 0.5 Lag to 1.0 to 0.5 Lead
Voltage: 100V, 220V, 380V
Integration: With CT & PT

Load Meter

Displays real-time load percentage for motors, generators, and power systems.

Input: 0-5A, 0-1A
Scale: 0% to 100%
Accuracy: ±2.5% FS

Key Applications

Our instruments are trusted in critical systems across diverse industries.

High-Speed Rail Transit

Monitoring traction current, voltage, and frequency in train control systems.

Ships & Yachts

Reliable power monitoring in marine electrical panels and engine control systems.

Machinery Equipment

Integration into industrial automation, CNC, and heavy-duty machinery panels.

State Grid Systems

Used in substations and distribution networks for accurate power monitoring.

Audio & Stage Amplifiers

Monitoring output current and voltage in high-power audio systems.

Welding Machines

Precise current and voltage feedback for consistent welding performance.

Frequently Asked Questions

What types of panel meters does KDSI offer?

KDSI offers analog and digital voltmeters, ammeters, frequency meters, power meters, power factor meters, and load meters in BE, BO, BP, and digital series.

Can KDSI meters be used with shunts and current transformers?

Yes, our ammeters and power meters are designed to work with external shunts and current transformers for high-current applications.

What is the accuracy of KDSI meters?

Most analog meters have an accuracy of ±1.0% to ±1.5% of full scale. Digital meters offer higher precision depending on model.

Are KDSI products certified?

Yes, our manufacturing processes follow international quality standards, and products are designed to meet industry requirements.

Does KDSI offer custom solutions?

Yes, we support OEM/ODM services and can customize panel meters, scales, and mounting options based on client requirements.

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