Information
6 之 2, No. 129號, Lane 235, Baoqiao Rd, Xindian District, New Taipei City, Taiwan 231
+886 2 8919 1489
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Overview
- Summary
- PROVA is a professional manufacturer of test and measurement instruments established in 1991. The company specializes in high-performance product lines including calibrators, micro ohmmeters, clamp meters, and power quality analyzers. With over 30 years of experience and development know-how, it focuses on precision measurement and innovative technologies. Recent innovations include PV System Analyzers for the renewable energy sector. PROVA is a trusted partner in measurement technology within the global market.PROVA is a professional manufacturer of test and measurement instruments established in 1991. The company specializes in high-performance product lines including calibrators, micro ohmmeters, clamp meters, and power quality analyzers. With over 30 years of experience and development know-how, it focuses on precision measurement and innovative technologies. Recent innovations include PV System Analyzers for the renewable energy sector. PROVA is a trusted partner in measurement technology within the global market.
- Key Products/Technologies
- Calibrators: The PROVA 100 4-20mA Loop Calibrator offers 4-20mA with 1μA resolution and 0-24V DC voltage output, boasting a basic DC current accuracy of 0.025%±5μA. The PROVA 123 Multifunction Calibrator includes 4-20mA, 0-12.000V DC voltage, K, J, E, T type thermocouple support, and 1-62,500Hz frequency measurement. The PROVA 136 Temperature Calibrator provides sourcing and measurement capabilities for 14 types of RTD and resistance, and 11 types of thermocouples (TC). The PROVA iCal Documenting Multifunction Calibrator features direct calibration of temperature (300°C) or voltage (220V) and various waveform generation functions.Calibrators: The PROVA 100 4-20mA Loop Calibrator offers 4-20mA with 1μA resolution and 0-24V DC voltage output, boasting a basic DC current accuracy of 0.025%±5μA. The PROVA 123 Multifunction Calibrator includes 4-20mA, 0-12.000V DC voltage, K, J, E, T type thermocouple support, and 1-62,500Hz frequency measurement. The PROVA 136 Temperature Calibrator provides sourcing and measurement capabilities for 14 types of RTD and resistance, and 11 types of thermocouples (TC). The PROVA iCal Documenting Multifunction Calibrator features direct calibration of temperature (300°C) or voltage (220V) and various waveform generation functions.
- Micro Ohmmeters: The PROVA 710 Micro-Ohmmeter offers a maximum test current of 10A, a best resolution of 1µΩ, a basic accuracy of 0.25%, 4-terminal Kelvin measurement, and 3,000 data memory capacity. The PROVA 730 Micro-Ohmmeter provides a maximum test current of 10A, a best resolution of 0.1µΩ, a basic accuracy of 0.1%, 4-wire resistance measurement, and HI-LO LIMITS test function.Micro Ohmmeters: The PROVA 710 Micro-Ohmmeter offers a maximum test current of 10A, a best resolution of 1µΩ, a basic accuracy of 0.25%, 4-terminal Kelvin measurement, and 3,000 data memory capacity. The PROVA 730 Micro-Ohmmeter provides a maximum test current of 10A, a best resolution of 0.1µΩ, a basic accuracy of 0.1%, 4-wire resistance measurement, and HI-LO LIMITS test function.
- Clamp Meters: The PROVA CM-07+ True RMS AC/DC Digital Clamp Meter features AC/DC 1mA high resolution, a wide measurement range up to 600A, True RMS, and non-contact frequency measurement. The PROVA 11 Pro True RMS AC/DC mA Clamp Meter offers AC 0.1mA, DC 1mA high resolution, and a maximum DC measurement capability of 200.0A. The PROVA-A1/PROVA-A3 DC/AC Clamp Meter provides dual display measurement for voltage, current, resistance, capacitance, and temperature, with True RMS AC measurement.Clamp Meters: The PROVA CM-07+ True RMS AC/DC Digital Clamp Meter features AC/DC 1mA high resolution, a wide measurement range up to 600A, True RMS, and non-contact frequency measurement. The PROVA 11 Pro True RMS AC/DC mA Clamp Meter offers AC 0.1mA, DC 1mA high resolution, and a maximum DC measurement capability of 200.0A. The PROVA-A1/PROVA-A3 DC/AC Clamp Meter provides dual display measurement for voltage, current, resistance, capacitance, and temperature, with True RMS AC measurement.
- Flexible Clamp Meters: The AFLEX 3002 Flexible AC Current Clamp measures AC 3000A (True RMS), AC 600V (True RMS), and frequencies from 45~65Hz, with direct reading and fast peak functions. The AFLEX 6300 Flexible Graphic Power Quality Analyzer supports power quality analysis for single and balanced 3-phase systems, with AC V and A (True RMS) up to 600V and 3000A.Flexible Clamp Meters: The AFLEX 3002 Flexible AC Current Clamp measures AC 3000A (True RMS), AC 600V (True RMS), and frequencies from 45~65Hz, with direct reading and fast peak functions. The AFLEX 6300 Flexible Graphic Power Quality Analyzer supports power quality analysis for single and balanced 3-phase systems, with AC V and A (True RMS) up to 600V and 3000A.
- Power and Harmonics Analyzers: The PROVA 23 Power Harmonics and Leakage Tester functions as a multifunction current, voltage, power, energy, harmonics, and leakage clamp meter. It measures True RMS AC current up to 90A, True RMS AC voltage up to 600V, and leakage current with 10µA resolution.Power and Harmonics Analyzers: The PROVA 23 Power Harmonics and Leakage Tester functions as a multifunction current, voltage, power, energy, harmonics, and leakage clamp meter. It measures True RMS AC current up to 90A, True RMS AC voltage up to 600V, and leakage current with 10µA resolution.
- PV System Analyzers: Development of a PV System Analyzer series as accurate and efficient diagnostic tools for solar professionals. The PROVA 1011 PV (Solar) System Analyzer model is available.PV System Analyzers: Development of a PV System Analyzer series as accurate and efficient diagnostic tools for solar professionals. The PROVA 1011 PV (Solar) System Analyzer model is available.
- Core Advantages
- Over 30 Years of Expertise and Development Know-how: Possession of over 30 years of experience in test and measurement instrument manufacturing since its establishment in 1991, coupled with skilled employees' development know-how. This forms the foundation for high-quality product manufacturing and continuous technological innovation.Over 30 Years of Expertise and Development Know-how: Possession of over 30 years of experience in test and measurement instrument manufacturing since its establishment in 1991, coupled with skilled employees' development know-how. This forms the foundation for high-quality product manufacturing and continuous technological innovation.
- Continuous New Product Development and Market Responsiveness: Capability to design and develop new products annually to meet evolving market demands. Evolution from initial clamp meters, anemometers, tachometers, and calibrators to advanced solutions like PV System Analyzers.Continuous New Product Development and Market Responsiveness: Capability to design and develop new products annually to meet evolving market demands. Evolution from initial clamp meters, anemometers, tachometers, and calibrators to advanced solutions like PV System Analyzers.
- Extensive Product Portfolio and Technological Innovation: A diverse product range including calibrators, micro ohmmeters, clamp meters, power and harmonics analyzers, and PV system analyzers. A notable commitment to innovation, particularly in the renewable energy sector.Extensive Product Portfolio and Technological Innovation: A diverse product range including calibrators, micro ohmmeters, clamp meters, power and harmonics analyzers, and PV system analyzers. A notable commitment to innovation, particularly in the renewable energy sector.
- High Quality and Precision Measurement Technology: Provision of high-precision measuring instruments such as micro ohmmeters with 0.1µΩ resolution and 0.1% basic accuracy. Reliable performance ensured through rigorous R&D.High Quality and Precision Measurement Technology: Provision of high-precision measuring instruments such as micro ohmmeters with 0.1µΩ resolution and 0.1% basic accuracy. Reliable performance ensured through rigorous R&D.
- Global Market Presence and Trust: Establishment of a worldwide customer base through direct and channel sales in over 70 countries. Strengthening of global partnerships based on mutual trust and long-term collaboration.Global Market Presence and Trust: Establishment of a worldwide customer base through direct and channel sales in over 70 countries. Strengthening of global partnerships based on mutual trust and long-term collaboration.
- Competitive Pricing and Prompt Service: A competitive pricing policy without compromising quality. Ability to meet global customer timelines through responsive service and fast delivery.Competitive Pricing and Prompt Service: A competitive pricing policy without compromising quality. Ability to meet global customer timelines through responsive service and fast delivery.
- Target Industries
- Current, voltage, resistance, capacitance, and temperature measurement in electrical and HVAC applications.Current, voltage, resistance, capacitance, and temperature measurement in electrical and HVAC applications.
- Various low-resistance (cable) measurements and contact resistance measurements.Various low-resistance (cable) measurements and contact resistance measurements.
- Measurement of coil resistance in electric motors, contact resistance of switches and relays, and resistance of bus bars, breakers, fuses, inductances, and shunts.Measurement of coil resistance in electric motors, contact resistance of switches and relays, and resistance of bus bars, breakers, fuses, inductances, and shunts.
- Diagnosis and analysis of photovoltaic (PV) power systems.Diagnosis and analysis of photovoltaic (PV) power systems.
- Calibration of panel meters, LED brightness testing, and temperature calibration for 11 types of thermocouples.Calibration of panel meters, LED brightness testing, and temperature calibration for 11 types of thermocouples.
- Measurement of standby power consumption for IT and electronic products, and power quality analysis.Measurement of standby power consumption for IT and electronic products, and power quality analysis.
- Major Markets
- Global market in over 70 countriesGlobal market in over 70 countries
- Global market in over 70 countriesGlobal market in over 70 countries
- Global market in over 70 countriesGlobal market in over 70 countries
- Certifications/Patents
- Reliable performance backed by rigorous R&D and international patents.Reliable performance backed by rigorous R&D and international patents.
- CE certification.CE certification.
- Compliance with IEC 61010 standards.Compliance with IEC 61010 standards.
Introduction
Location
6 之 2, No. 129號, Lane 235, Baoqiao Rd, Xindian District, New Taipei City, Taiwan 231
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