KD-920S high-precision electroplating paint film paint spraying zinc chromium layer aluminum oxide f

Applications

• Manufacturing & Metal Processing: Measuring paint, zinc, chrome, or anodized layers on steel, aluminum, copper, and other metals.
• Automotive & Aerospace: Verifying coating thickness on body panels, engine parts, and structural components.
• Chemical & Petrochemical Industries: Monitoring anti-corrosion coatings on pipelines, tanks, and valves.
• Quality Inspection & Trade Compliance: Used by third-party testing labs and customs authorities for product certification.
• Maintenance & Asset Management: Assessing coating degradation during equipment lifecycle inspections.

10KV 220KV high-voltage phase detector, high-voltage pointer phase detector, wired high-voltage phas

Applications

• Phase Verification Before System Synchronization: Ensures correct phase alignment prior to paralleling transformers, feeders, or busbars to prevent damaging out-of-phase closure.
• Commissioning of New or Upgraded Substations: Validates primary wiring phase sequence during energization and acceptance testing.
• Fault Diagnosis & Ground Fault Localization: Assists in preliminary identification of single-phase-to-ground faults.
• Routine Inspection & Live-Line Testing: Quickly verifies voltage presence on overhead lines or switchgear—suitable for systems from 10 kV distribution up to 220 kV transmission networks.
• Low-Voltage Distribution Maintenance: Supports phase sequence checking at 0.4 kV (380 V AC), widely used in commercial and industrial power rooms.

Factory direct sales of 6kV 10kV 35kV high-voltage phase detector, wired high-voltage phase detector

Applications

• Phase Verification: Confirming correct phase sequence before paralleling transformers, feeders, or busbars.
• Live-Line Detection: Verifying presence of voltage on overhead lines or switchgear without direct contact.
• Ground Fault Tracing: Assisting in locating single-phase-to-ground faults in distribution networks.
• Substation Commissioning & Maintenance: Ensuring safe synchronization during equipment installation or replacement.
• Emergency Response: Rapidly assessing line conditions during outage restoration in 380V to 110kV systems.

High voltage switch characteristic tester, switch mechanical characteristic tester, circuit breaker

This high-voltage switch comprehensive testing equipment can be widely used in the following typical scenarios:

1. Substation operation and maintenance
Conduct preventive tests or fault diagnosis on SF6 circuit breakers, vacuum switches, GIS, etc. in operation, quickly evaluate mechanical performance and contact status of contacts, and ensure the safety of the power grid.

2. Manufacturing and factory testing of high-voltage switches
In the production line or quality inspection process, full parameter testing is conducted on various types of circuit breakers (including graphite contacts, special structures with closing resistors, etc.) to ensure that the products comply with national standards and industry specifications.

3. Installation and commissioning of power engineering
In the construction or renovation of substation projects, perform functional verification on newly installed high-voltage switchgear before commissioning, including low voltage operation tests, synchronization tests, etc.

4. Electric power research and third-party testing institutions
Used for type testing, technical research, or certification testing, supporting high-precision data acquisition, waveform analysis, and report generation to meet the needs of professional laboratories.

5. Power distribution systems for large industrial and mining enterprises and self owned power plants
Regularly inspect internal high-voltage distribution equipment to promptly detect potential hazards such as contact wear, mechanism jamming, and abnormal circuit resistance, in order to avoid sudden power outages.
✅  The equipment can be used in conventional industrial environments with temperatures ranging from -10 ℃ to 40 ℃ and humidity ≤ 80% RH. It has excellent resistance to electromagnetic interference and can stably and accurately measure even in 500kV live substations, truly achieving "one operation, comprehensive diagnosis".

HV switch mechanical characteristic tester Switch dynamic characteristic tester Circuit breaker comp

This high-voltage switch comprehensive testing system is mainly suitable for the following typical application scenarios:

1. Maintenance of power system substations
Conduct regular or post fault mechanical characteristic and circuit resistance tests on SF6 circuit breakers, vacuum switches, GIS combination devices, etc. in operation to ensure reliable opening and closing.

2. Factory inspection of high-voltage switch manufacturers
Used for full parameter quality inspection of various circuit breakers (vacuum, SF6, oil switches, etc.) on production lines, verifying whether the action time, speed, stroke, contact resistance, etc. meet the standards.

3. Installation and commissioning site of power engineering
In the construction of new substations or power grid renovation projects, perform functional verification and low voltage operation tests on newly installed high-voltage switchgear before commissioning.

4. Electric power research and testing institutions
Conduct performance research, type testing, or third-party certification testing on switchgear, and support high-precision data acquisition and waveform analysis.

5. Maintenance of power distribution systems in power plants and large industrial and mining enterprises
Conduct preventive tests on circuit breakers in self owned power plants or industrial high-voltage distribution cabinets to detect potential hazards such as mechanical jamming, contact wear, and poor circuit contact in advance.
✅  The equipment can work stably in a conventional industrial environment with a temperature range of -10 ℃ to 40 ℃ and a humidity of ≤ 80% RH. It has strong anti-interference ability and can accurately measure even near a 500kV live substation, meeting the testing needs of the entire life cycle from manufacturing, installation to operation and maintenance.

High and low voltage switchgear test bench, switchgear power on test bench, switchgear test power on

Product Overview – KDGK-II High & Low Voltage Switchgear Power-On Test Bench

The KDGK-II High and Low Voltage Switchgear Power-On Test Bench is specifically designed for manufacturers of high and low voltage switchgear to perform comprehensive power-on acceptance tests before product dispatch. It provides a versatile range of adjustable and fixed AC/DC power outputs, enabling efficient and reliable functional verification of switchgear units and significantly improving production line testing efficiency.

Key Features:

• Integrates a fully controlled three-phase rectifier module, phase-shift triggering circuit, automatic regulation system, and absorption circuit.
• Employs an intelligent transistor control module that combines complex regulation circuitry, thyristors, and trigger circuits into a compact, unified unit. Output voltage is precisely controlled by adjusting the control signal, which varies the thyristor conduction angle.
• The triggering circuit, thyristors, and heat-conducting baseplate are mutually insulated, with a dielectric strength exceeding 2,500 V, ensuring safe and reliable operation.
• Input phase sequence insensitive—simplifies installation and use.
• Compatible with both resistive and inductive loads.

Technical Specifications:

• Input Power: Three-phase four-wire AC 380 V
• Output Capabilities:
  1. Adjustable three-phase four-wire AC voltage: 0–380 V (1 set)
  2. Adjustable three-phase AC current: 0–10 A (1 set)
  3. Adjustable DC operating voltage: 0–260 V (1 set)
  4. Fixed three-phase AC voltage: 100 V (1 set)
  5. Fixed DC outputs: 24 V, 36 V, 110 V, 220 V (1 set)
  6. Fixed three-phase AC output: 380 V (1 set)
  7. Fixed single-phase AC output: 220 V (1 set)
• Dimensions: 700 × 600 × 1100 mm (W × D × H)

Typical Application Environment:
Ideal for use in switchgear manufacturing workshops, assembly lines, and final inspection areas. The KDGK-II supports full functional testing of common switchgear types (e.g., GGD, GCS, MNS, KYN28) under simulated real-world power conditions. Its robust design, electrical safety features, and flexible power outputs make it a reliable solution for standardized, high-efficiency factory acceptance testing in industrial settings.

KD2675 Power Frequency AC Withstand Voltage Testing Equipment for High Voltage Cables

The AC Withstand Voltage Test Device is widely used in power system equipment testing, including transformers, switchgear, insulators, bushings, cables, and electrical components. Its intuitive 7-inch touch screen (optional 10-inch), fully digital calibration, and automatic/manual test modes make it suitable for both field and laboratory environments.

With real-time display of voltage, current, and status, as well as intelligent safety reminders and result judgment, the device ensures fast and accurate dielectric strength tests. It is ideal for:

• Factory routine testing of high-voltage apparatus

• On-site commissioning of substations and power stations

• Preventive maintenance in power grid companies

• R&D and lab testing in electrical equipment manufacturing

• High-voltage insulation performance validation after repairs or overhauls

The system enhances safety and efficiency with voice alarms, flashing high-voltage warnings, password-protected settings, and multi-device compatibility, offering a modern solution for high-voltage withstand testing needs.

KDGK-MH High voltage switch running in test bench

The high-voltage circuit breaker running in test system is designed for the running in test of high-voltage circuit breakers. It can simultaneously control the running in test of six circuit breakers. The parameter setting is intuitive, the timing control is simple, and the work efficiency is improved. The control ability of using time relays for running in avoids the disadvantage of burning out the opening and closing coils, effectively protecting the integrity of the circuit breakers. The KDGK-MH high-voltage switch running in test system is easy to operate and is a commonly used tool for circuit breaker design and testing.

KDGK-301 Switch contact Clamping Force Tester

This measuring instrument is widely used in the manufacturing plants and operation sites of various high and low voltage switches and switch cabinets.

KDGK-303 switch contact insertion depth Tester

This measuring instrument is widely used in the manufacturing plants and operation sites of various high and low voltage switches and switch cabinets.

KDGK-FY high voltage switch mechanical characteristics tester

It is suitable for measuring the speed of switches produced by switch factories at home and abroad.

KDGK-II high and low voltage switchgear power test bench

For high and low voltage switchgear manufacturers to produce high and low voltage switchgear before the factory power test.

KDZD-20A high voltage circuit breaker operating power supply

It provides an independent test power supply for the field operation test of the high voltage switch, avoids direct use of the DC system in the field control box, effectively prevents the possible harm to the on-site DC system, and provides conditions for the safe operation of the field equipment.

KDGK-VI High Voltage Switch Break in Test System

The KDGK-VI high-voltage switch running in test system is designed for the running in test of circuit breakers (high-voltage switches) and contactors (only closing coils).

KDGK-II High and Low Voltage Switch Test Device

The KDGK-II high and low voltage switchgear power on test bench is used for conducting various power on tests on high and low voltage switchgear before leaving the factory