About Us

Our represented products can be primarily categorized into three main divisions:

1. Power Equipment Manufacturing Industry
   • Transformer Manufacturers:
     For testing the insulation strength, voltage withstand capability, and special performance of transformers, including power transformers, distribution transformers, and shunt reactors.
   • Cable Manufacturers:
     To perform insulation withstand, partial discharge, and other tests on high-voltage cables (especially submarine and ultra-high-voltage underground cables) to ensure the reliability of long-distance power transmission. HIGHVOLT also offers specialized reactors capable of testing extra-long, ultra-high-voltage cables.
   • Switchgear Manufacturers:
     For testing the insulation performance and breaking capacity of equipment such as Gas-Insulated Switchgear (GIS) and Air-Insulated Switchgear (AIS).
   • Component Manufacturers (e.g., Insulators, Arresters, Bushings):
     To conduct lightning impulse, switching impulse, and AC withstand tests on these critical insulation components.
2. Power Utilities (Generation, Transmission, and Distribution Companies)

   Grid operators need to perform acceptance, preventive maintenance, and condition assessment on their system's equipment to ensure the stability and safety of the entire power grid.

   • Equipment Acceptance Testing:
     Conducting on-site tests after the procurement of new transformers or the installation of new cables to ensure the equipment was not damaged during transportation and installation.
   • On-site Diagnostics and Maintenance:
     Using mobile testing systems (e.g., truck-mounted test equipment) to conduct periodic inspections on in-service equipment to detect potential insulation defects early.
   • Grid Upgrades and Expansion:
     Comprehensive on-site testing of new equipment is required when constructing new substations or transmission lines.
3. Emerging and Extended Application Industries
   • Renewable Energy Industry:
     With the growth of offshore wind farms and large-scale solar power stations, the demand for long-distance High-Voltage Direct Current (HVDC) submarine cables has surged. The manufacturing and installation of these cables require extremely stringent testing. HIGHVOLT has participated in a project providing testing technology for the world's longest submarine cable, connecting solar power from Morocco to the UK. Additionally, the HiMon product line now offers online monitoring for long-distance submarine cables to ensure their continuous safety.
   • Transportation Sector:
     Primarily applied in electrified railways and urban rail transit systems. The high-voltage catenaries, substations, and power supply cables in these systems all require high-voltage testing to guarantee operational safety.
   • Large-Scale Industrial and Petrochemical Industries:
     Large factories (e.g., petrochemical, steel, mining) with their own high-voltage substations and distribution networks use high-voltage test equipment to maintain the stability of their internal power systems.
   • Research and Educational Institutions:
     Universities and professional research institutes use HIGHVOLT's equipment for research and development in fields such as high-voltage engineering, insulation material science, and discharge physics.
   • Aerospace and Defense Industries:
     Specific equipment and systems in these sectors utilize special high-voltage components that also require rigorous testing to ensure reliability under extreme conditions.

   In summary, any industry that needs to manufacture, install, operate, or research high-voltage electrical equipment is a potential customer for HIGHVOLT GmbH's products.

1. National Metrology Institutes (NMIs)

   This is MI's highest-tier and most central market. The top metrology institute in every country (e.g., NIST in the USA, PTB in Germany, NPL in the UK, and the National Measurement Laboratory in Taiwan) is responsible for establishing, maintaining, and developing the nation's highest measurement standards. They require the most precise instruments to realize the International System of Units (SI).

   • Application:
     Establishing national standards for resistance, voltage, current, and power.
   • Corresponding Products:
     • Quantum Hall Resistance Standard (QHR System):
       The fundamental physical standard for realizing the "Ohm."
     • DC Current Comparator Bridge:
       The core instrument for comparing resistance values with extremely high precision.
     • High-Precision Digital Multimeters (DMMs) and Voltage Standards.
2. Accredited Calibration Laboratories

   These are third-party commercial laboratories or in-house calibration departments of large corporations that are internationally accredited (e.g., ISO/IEC 17025). Their role is to disseminate the national standards to industry. They periodically send their "primary standards" to NMIs for calibration and then use these standards to calibrate their clients' instruments.

   • Application:
     Providing instrument calibration services to various industries, ensuring customers' measurement equipment is traceable to national standards.
   • Corresponding Products:
     • Automated Resistance/Temperature Bridges:
       Such as MI's renowned AccuBridge® series, used for efficient and precise calibration of standard resistors and thermometers.
     • High-Stability Resistance Standards and High-Precision Shunts:
       Serving as in-house reference standards for the laboratory.
     • AC/DC Transfer Standards:
       For calibrating AC voltage and current meters.
     • Power & Energy Calibration Systems:
       Used for calibrating electricity meters and power analyzers.

1. Power and Energy Industry

   While power companies use equipment like HIGHVOLT's for on-site testing, the accuracy of these test devices themselves (e.g., high-voltage probes, power quality analyzers) must be regularly verified.

   • Application:
     In-house laboratories of power companies, electricity meter manufacturers, and power equipment manufacturers for calibrating production line and field-use test instruments.
   • Corresponding Products:
     • Energy Meter Calibrators:
       To ensure the accurate billing of residential and industrial electricity meters.
     • High Voltage Dividers and High Current Transformers:
       For the precise measurement of high voltages and currents.
2. Aerospace and Defense Industries

   These sectors have extremely stringent requirements for instrument reliability and accuracy, where even the slightest measurement deviation could lead to catastrophic consequences.

   • Application:
     Calibrating avionics, sensors, and ground test equipment for systems such as aircraft, satellites, and missiles.
   • Corresponding Products:
     Encompasses nearly all of MI's electrical and temperature calibration products to ensure measurement consistency throughout R&D and manufacturing processes.
3. High-Tech Manufacturing (e.g., Semiconductors, Electronic Instruments)

   Manufacturers of precision instruments (e.g., oscilloscopes, signal generators, high-precision power supplies) need to accurately calibrate their products before they leave the factory.

   • Application:
     Final testing and calibration stations on production lines, as well as corporate R&D laboratories.
   • Corresponding Products:
     Automated calibration workstations, high-precision digital multimeters, and AC/DC transfer standards.
4. Scientific Research and Academic Institutions

   Universities and research centers engaged in fundamental physics research, material science, or the development of new sensor technologies require precise measurements as the foundation for their scientific discoveries.

   • Application:
     Establishing credible measurement data in experiments and verifying theoretical models.
   • Corresponding Products:
     Various types of standards and bridges, especially models requiring extremely high resolution and stability.
5. Medical Device Manufacturing Industry

   The electrical performance of medical devices such as electrocardiogram (ECG) machines, patient monitors, and defibrillators is directly related to patient safety. Manufacturers must perform strict calibration of their products.

   • Application:
     Calibrating R&D and production test systems for medical equipment.
   • Corresponding Products:
     Precision-grade digital multimeters and signal calibrators.

In summary, Measurement International's clients are not typical factories or end-users, but rather key participants within the entire "quality assurance system of measurement." Their products form the foundation upon which a nation and its various industries can perform reliable measurements.

A simple analogy: If you were to measure the length of a table with a ruler, MI doesn't make that ruler. Instead, they make the "standard meter" kept in the national laboratory that is used to verify "if your ruler is accurate." Any industry with the highest demands for the "accuracy of measurement results" is their target client.

This division focuses on the insulation condition diagnosis and monitoring of high-voltage electrical equipment, specializing in the measurement and analysis of "Partial Discharge (PD)."

Before analyzing the applicable industries, it is essential to understand the core technology.

• Definition:
  Partial discharge is a minute, incomplete electrical spark or discharge that occurs within the insulation material or on the surface of high-voltage equipment. It does not immediately cause equipment failure.
• Significance:
  The presence of PD is the most important and reliable early warning signal that insulation material is beginning to deteriorate or that manufacturing defects exist. It is like an "early-stage cancer lesion" for the material.
• Diagnostic Value:
  By detecting and analyzing the pattern, intensity, and location of PD signals, one can accurately assess the health status of the equipment and schedule preventive maintenance long before a catastrophic failure (like an explosion or short circuit) occurs.

Therefore, the products are specialized instruments designed to "listen" to and "interpret" these faint discharge signals.

The products are suitable for all industries that manufacture, use, or maintain high-voltage electrical equipment. The core objective is quality control and Predictive/Condition-Based Maintenance.

1. Power Equipment Manufacturers (OEMs)

   This is one of the most critical markets. Manufacturers need to perform strict quality control before their products leave the factory to ensure their insulation systems are free of any defects.

   • Application Scenarios:
     Conducting Routine Tests and Type Tests on newly manufactured equipment inside a shielded factory laboratory.
   • Test Objects:
     • Power & Distribution Transformers
     • Gas-Insulated Switchgear (GIS)
     • HV Cables and their accessories (joints, terminations)
     • Large Rotating Machines (Motors and Generators)
     • Instrument Transformers, Bushings, and Capacitors
2. Power Utilities (Transmission, Distribution, and Generation Companies)

   The stability of the power grid is the lifeline of these companies. They use these products to manage their vast high-voltage assets and prevent unplanned outages.

   • Application Scenarios:
     • Site Acceptance Test (SAT):
       Performing on-site PD tests on new equipment after installation and before commissioning to ensure no damage occurred during transport and installation.
     • Offline Diagnostic Testing:
       During planned maintenance outages, conducting detailed PD measurements on critical equipment to assess its health condition.
     • Online Monitoring:
       For mission-critical assets that cannot be easily taken offline (e.g., large generators, main transformers), permanent monitoring systems are installed for 24/7 condition monitoring, providing alerts when anomalies occur.
3. Heavy Industry and Large Facilities

   Any industrial facility with its own high-voltage substation or that uses large high-voltage motors is a potential customer, as equipment failure can lead to costly production interruptions.

   • Application Areas:
     • Oil & Gas, Petrochemical Plants
     • Mining
     • Pulp & Paper and Steel Industries
     • Large Data Centers
     • Rail Transportation Systems
   • Objective:
     To perform regular health checks on their critical motors, generators, and transformers to maximize uptime.
4. Professional Electrical Testing and Maintenance Service Companies

   These third-party service providers do not own large assets themselves but invest in advanced portable diagnostic equipment to offer professional testing services to the power utility and industrial clients mentioned above.

5. Research Institutes and Universities

   Research laboratories in fields like high-voltage engineering and insulation material science use high-precision instruments for fundamental research, material development, and failure analysis.

The product line is designed around the needs of PD diagnostics:

• Portable/Mobile PD Measurement Systems (e.g., ICMcompact, ICMflex):
  Used for on-site offline diagnostics and troubleshooting.
• Laboratory/Factory PD Measurement Systems (e.g., ICMsystem):
  Used by manufacturers for quality control and R&D, offering higher precision and more powerful features.
• Online PD Monitoring Systems:
  For permanent installation on critical assets for long-term trend analysis and real-time alerts.
• Related Sensors and Accessories:
  Including coupling capacitors, high-frequency current transformers (HFCTs), acoustic sensors, TEV sensors, etc., used to capture different types of PD signals.
• rofessional Analysis Software:
  This is the brain of the system, used to interpret complex PD patterns, helping experts determine the type and severity of defects.

In summary, this product line represents a "specialist doctor" in the field of high-voltage insulation diagnostics. Its products are not used for measuring conventional parameters like voltage or current, but for detecting the early warning signs of the "health status" of high-voltage equipment.