KDHG-220P CT/PT Variable Frequency Transformer Voltage Characteristics Tester

Designed for testing protective class CT and PT in power grids, substations, and industrial power systems.
Suitable for excitation characteristic, ratio, polarity, secondary winding resistance, and burden tests.
Ideal for routine maintenance, quality inspection, and performance verification of instrument transformers.

KDHL-100A: High-Precision 100A Contact Resistance Tester with Touchscreen & Data Management

• Testing contact resistance of HV circuit breakers, isolators, and switchgear
• Verifying integrity of busbar joints, cable terminations, and grounding connections
• Routine maintenance in substations, power plants, and industrial facilities
• Compliance testing per IEC 62271, DL/T, and GB standards
• Quality assurance during equipment commissioning or overhaul

KDZD-100kV: Intelligent AC Withstand Voltage Test System with Touchscreen Control & Auto-Protection

• Insulation testing of transformers, switchgear, cables, bushings, and insulators
• Quality assurance of electrical components in power generation, transmission, and distribution
• Routine preventive maintenance per industry standards (e.g., IEC, GB, DL)
• Dielectric strength verification in metallurgy, petrochemical, and railway sectors
• Factory and field acceptance testing of HV equipment up to 100 kV

KDWS-14: Portable SF₆ Dew Point Analyzer with Fast Response & Low Gas Consumption

Moisture testing in SF₆-insulated switchgear (GIS, GCB) Quality control during SF₆ gas filling or recovery Routine maintenance and preventive diagnostics in substations and power plants Verification of gas purity after equipment servicing

IP2C Steel Ball Test Probe with 50 N Push Force – Rigid Access Probe for IP20C Protection Rating Ver

• Verification of IP20C / IP2X protection rating (protection against solid objects ≥12.5 mm)
• Safety testing of plugs, socket-outlets, connectors, and appliance enclosures per GB 2099.1, IEC 60884, and IEC 60335
• Compliance checks in CCC, CE, UL, and other global safety certification processes
• Use in national metrology institutes, third-party testing labs, and manufacturer QA departments

IP2X Push-Force Test Finger – Articulated Safety Probe with 10 N Force for IP2X & Anti-Electric Shoc

• Verification of IP2X ingress protection rating (protection against ≥12.5 mm solid objects)
• Anti-electric shock testing per GB 4706 (household appliances), GB 2099 (plugs & sockets), GB 4943 (IT equipment), and IEC 60335/IEC 60884
• Use in safety compliance labs, factory QA/QC, and third-party certification bodies (e.g., for CCC, CE, UL)
• Simulates access by a human finger to assess enclosure safety design

IP3X & IP4X Dust Protection Test Probes – Safety Compliance Test Tools per IEC 61032

• Verification of IP3X (protection against ≥2.5 mm solid objects) and IP4X (protection against ≥1.0 mm wires) ratings
• Safety testing per IEC 60065, IEC 60598, GB 7000, GB 8898, and other end-product safety standards
• Use in certification labs, factory QA departments, and third-party testing institutions
• Essential for CE, CCC, UL, and other global market access compliance

KDGK-703S Intelligent AC/DC Precision Calibrator – Multifunction Standard Source for Voltmeter, Amme

• Calibration of digital multimeters, clamp meters, and analog voltage/current meters
• On-site instrument maintenance and quality inspection in power utilities, railways, and industrial plants
• Metrology labs and R&D institutes requiring traceable, stable signal sources
• Standard reference source for production line testing and repair workshops

KDB-II Automatic Transformer Turns Ratio, Polarity & Vector Group Tester

• Factory acceptance and on-site commissioning of distribution and power transformers
• Preventive maintenance and fault diagnosis of single-phase and three-phase transformers
• Verification of tap changer integrity and connection correctness
• Quality assurance in transformer repair workshops and electrical testing labs

BPXZ-1500kVA 500kV Variable Frequency Series Resonant Withstand Voltage Test System

This equipment fully leverages our company's advantages in electronic measurement technology and electromagnetic compatibility. All components of this system, including the variable frequency power supply, excitation transformer, cast-resin high-voltage reactor, and high-precision capacitive voltage divider, are independently developed, designed, and manufactured by us.

KDYDJ-420kVA 30kV AC Withstand Voltage Test System – Cable AC Withstand Tester

• AC withstand testing of long submersible cables
• Insulation verification for power transmission lines, transformers, motors, and switchgear
• Quality assurance in cable manufacturing, power utilities, and industrial plants
• Preventive maintenance and commissioning tests in electrical infrastructure

KDZG-II 60kV Cabinet-Type DC High Voltage Generator – Leakage Current Tester for Surge Arresters & I

• DC insulation withstand and leakage current testing of ZnO and magnetic-blow surge arresters
• Dielectric integrity verification of power cables, generators, transformers, and circuit breakers
• Preventive maintenance in substations, power plants, railways, chemical facilities, and R&D institutes
• On-site commissioning and quality control of high-voltage electrical equipment

KDJB-430A Compact Three-Phase Microprocessor-Based Relay Protection Test Set

• Commissioning and maintenance testing of electromechanical, static, and digital protective relays
• Verification of overcurrent, distance, differential, voltage, frequency, and directional protection functions
• Harmonic injection and transient response analysis (up to 20th harmonic)
• Substation acceptance tests, periodic inspections, and R&D validation in utilities, industrial plants, and renewable energy facilities

KDGK-500Z AC/DC Circuit Breaker Selective Coordination Tester

• Verification of selective coordination in AC 220V/380V and DC 110V/220V power distribution systems
• Testing trip timing, arc duration, and breaking performance under simulated metallic short-circuit conditions
• Validation of residual current devices (RCDs) via leakage trip simulation
• Use in substations, power plants, data centers, rail systems, and industrial facilities for preventive maintenance and commissioning
• Compliance assessment per industry best practices for breaker grading and protection selectivity

KDCJ-12kV Intelligent Impulse Withstand Voltage Tester

• Insulation impulse testing of high-voltage & small/medium AC/DC motors (including automotive, pump, and fractional-horsepower types)
• Dielectric strength verification for relays, transformers, energy meters, and electromagnetic coil-based appliances
• Safety compliance testing of household appliances, low-voltage switchgear, and electronic control units
• R&D and quality assurance in motor manufacturing, appliance production, and electrical component certification labs