Outdoor IV tester

1.Product introduction of portable photovoltaic string tester

PV31 is our company's standard photovoltaic module IV curve tester, which can accurately detect the power generation efficiency and conversion rate of modules and strings within the 1500V range. It can quickly detect the working characteristics of photovoltaic strings under natural light. The equipment is simple to operate and easy to carry. It is equipped with a high-precision irradiation meter and temperature sensor, which can provide accurate on-site irradiation values ​​and ambient temperature and other parameters.

PV31 portable photovoltaic string tester adopts integrated packaging technology, with clear function descriptions in Chinese and English operation interfaces, one-click detection data export, single module/string detection speed is completed in 10 seconds, fast, accurate and comprehensive detection functions can be used as a third-party The preferred configuration for testing institutions and power station operation and maintenance. The whole machine is equipped with a more high-precision capacitive/resistive load, as well as a faster radiometer operation module and corresponding IV curve analysis software, which can analyze the IV curve with higher definition and have continuous IV uninterrupted scanning. Advantages, assisting in the detection of photovoltaic power stations throughout the system.

2. Application fields of portable photovoltaic string tester

Single component test, string test, irradiation test, power generation test

3. Portable photovoltaic string tester can test performance indicators

Shadow occlusion, dust attenuation, STC contrast, fill factor, IV curve, maximum power, maximum power voltage

Maximum power current, irradiance, ambient temperature, module temperature, PV curve, conversion efficiency, power generation

4. Product advantages of portable photovoltaic string tester

1. 0~1500V high-precision curve test

Using our new resistive test module, single component detection is more accurate, and it can test the IV curve test of the maximum 1500V string and the series and parallel test of the 30A string.

2. STC nominal parameter conversion test

IV test matches more than 95% of the current photovoltaic panel specifications, switches component parameters of different specifications more quickly, and automatically calculates the current power generation efficiency and conversion rate of the panel, helping users know the real parameters of the components more accurately.

3. String test

Photovoltaic power station string testing can quickly test the power generation efficiency, short circuit, power generation, etc. of the entire photovoltaic string, and quickly screen the electrical performance between different strings, thereby classifying MPPT parameters, screening inverter string efficiency, and improving power generation of the power station. quantity.

4. Single component testing

The PV31 portable photovoltaic string tester has a unique module power generation testing function, which can adapt to the module qualification test stipulated in IEC61853 currently adopted in Europe and the United States, or be used for local lighting resource testing.

The tester provides a high-resolution test mode of up to 400 points and an Ethernet monitoring function that complies with the Modbus/tcp protocol to meet the needs of scientific research.

5. National standard industry benchmark

The equipment complies with international and industry implementation standards and can be used as a third-party measurement basis.

◎IEC 61215-2005 Crystalline silicon photovoltaic modules for ground use—Design identification and finalization

◎IEC 61646-2008 Specification for the design and qualification of thin-film batteries for ground use

◎CGC/GF003.1:2009 Technical Specifications for Acceptance of Grid-connected Photovoltaic Power Generation System Engineering Part 1: Electrical Equipment

◎GB4793.1-2007/IEC 60010-1 Safety requirements for electrical equipment for testing, control and laboratory use

◎IEC60904-2 2007 standard solar cell requirements

◎IEC60891-2009 Temperature and irradiance correction method for IV measured characteristics of photovoltaic devices

◎IEC61853-2011 Photovoltaic device performance testing and energy level

◎Passed CE and ROHS certification

◎According to the authoritative verification of the China Institute of Metrology, the voltage and current test accuracy is better than 0.2%, meeting and exceeding product index requirements.

6. Component barcode scanning function

The detection can be equipped with wireless scanning to enter component barcodes. PV31 detection data automatically matches component barcodes and can be printed accordingly, facilitating traceability and query.

7. Continuity test

PV31 can continuously test the IV data of photovoltaic cells, with automatic detection every 20 seconds, which can help users continuously monitor and compare the performance parameters of the components.

8. Power generation and radiation monitoring PR value

It can detect the cumulative power generation value of the current component/string in real time, and then compare the power generation value of the entire photovoltaic power station to estimate and calculate the PR value of the power station.

9. iV compensation function

It can truly support the outdoor verification of photovoltaic cells and adapt to the outdoor performance testing of photovoltaic cells in the experimental stage of engineering applications.

10. Environmental monitoring function

It has environmental detection functions such as ambient temperature detection, panel temperature detection, and solar irradiance detection, and can provide user-selectable irradiation meter matching.

11. Domestic configuration and international standard gold medal after-sales service

PV31 provides 24-hour fast after-sales service in China, and provides free software and hardware upgrade services.

12. Chinese and English operation interface

In response to different markets and different user needs, PV31 provides Chinese and English operation interfaces. The concise operation menu allows users to quickly master various functions of the instrument.

13. Long battery life

PV31 provides a built-in high-capacity lithium battery module, which can be easily replaced and has a continuous battery life of up to 8 hours to provide sufficient charging power for testing.

14. Range switching

For the current and voltage of components/strings of different specifications, PV31 can automatically switch the test range to provide a more accurate test range and provide overvoltage and overcurrent protection.

15. High expansion capacity

The PV31 internal unit can reliably store more than 2,000 test waveforms, and provides an SD card slot to support storage space expansion. Data can be synchronized to the host through USB to store data for PC software analysis.

16. Photovoltaic module correction database

It has a rich built-in solar cell component correction model database, covering products from most component manufacturers, providing a reference for the conversion ratio of test results and providing users with comprehensive parameter setting functions that can be added manually.

17. High voltage isolation design is safer

The equipment is equipped with a high-voltage bulkhead power supply design to provide users with reliable safety guarantees. The maximum open-circuit voltage test range can reach 1500V, and it provides photovoltaic array test functions up to 30KW.

18. 100 meters wireless communication

A wireless connection is used between the host and the probe, providing a maximum wireless connection function of 100 meters, making on-site testing more convenient and convenient.

19. Touch screen panel operation

The host operation panel adopts a touch screen plus keyboard operation method. The bright LCD screen can display more clearly under the sun. The whole machine contains rich peripheral connections and provides a variety of expanded online functions.

5. Detailed parameters of portable photovoltaic string tester

6. Portable photovoltaic string tester accessories list