KDZR-10A: Portable 10A Transformer DC Resistance Tester with Multi-Range Measurement & Field-Ready D

• Measuring DC resistance of transformer windings (single-phase or three-phase)
• Detecting loose connections, broken strands, or imbalance in windings
• Performing longitudinal comparison tests on on-load tap changers (OLTC) with single power-up
• Testing current/voltage transformer coils and reactor windings
• Field commissioning, routine maintenance, and fault diagnosis in substations and power plants

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

KDJS-QM: Intelligent Power-Frequency Withstand Voltage Tester for Insulating Safety Helmets

• Periodic preventive testing of insulating safety helmets (recommended every 6 months)
• Quality verification of personal protective equipment (PPE) for electrical workers
• Compliance testing per DL/T 976-2017 and other national safety standards
• Safety certification in transmission, distribution, and substation maintenance teams

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

• GB50150-2016: Electrical Equipment Installation Engineering - Electrical Equipment Handover Test Standard
• DL/T849.6-2016: General Technical Conditions for Special Test Instruments in Power Equipment - Part 6: High Voltage Resonance Test Equipment
• JB/T9641-2022: Test Transformers
• GB10229: Reactors
• GB/T.311-2012: Insulation Coordination for High Voltage Transmission and Distribution Equipment
• DL/T846-2021: General Technical Conditions for High Voltage Testing Equipment
• GB4793-2007: Safety Requirements for Electronic Measuring Instruments
• GB2900.46-83: Electrical Terminology
• GB4208-2017: Degrees of Protection Provided by Enclosures
• GB191-2018: Packaging and Storage Marking
• GB/T16927-2011: High Voltage Test Techniques

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