photovoltaic testers

1.Photovoltaic testers product introduction

photovoltaic testers can accurately detect the generating efficiency and conversion of components and strings in the 1000V range, providing accurate field radiation values and ambient temperature parameters.photovoltaic testers, voltage tests can reach 400V, current tests can reach 20A, and can test 1000W photovoltaic modules.It can test the open circuit voltage, short circuit current, maximum power and other parameters of solar cell modules/square arrays, and provide users with accurate and efficient voltammetry characteristic testing tools.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 other parameters.

photovoltaic testers adopts integrated packaging technology, clear operation interface function description, one-click detection data export, single-block component/string detection speed is completed in 10 seconds, and the fast, accurate and comprehensive detection function can be used as the preferred configuration for third-party detection agencies and power station operation and maintenance.The whole machine is equipped with a more accurate capacitive/resistive load, and is equipped with a faster irradiator operation module and corresponding IV curve analysis software.It can analyze IV curves in a higher definition while having the advantages of continuous IV uninterrupted scanning, which helps the detection of the entire photovoltaic power station.

2.Functional features of photovoltaic testers

1.Touch screen plus keyboard operation, including peripheral interface, and supports storage space expansion through the U port.

2.Outdoor low illuminance voltammetry characteristic test and provide standard STC test condition correction.

3.A rich built-in solar cell module correction model database covers the products of most component manufacturers, provides reference for the conversion and comparison of test results, and provides users with a comprehensive parameter setting function, which facilitates users to manually add test correction models.

4.It has a high-voltage isolation power supply design internally to provide users with reliable safety guarantees.

5.Automatic range switching function, with overvoltage and overcurrent and temperature protection.

6.Built-in large capacity replaceable lithium-ion battery to provide sufficient power for testing.

7.It has environmental monitoring functions such as panel temperature detection and solar irradiance detection.

8.Measuring parameters: IV surface line, PV curve, short circuit current, open circuit voltage, maximum power, maximum field voltage, current, solar cell temperature, irradiance, etc.

3.Photovoltaic testers technical parameters

1.General characteristics

2.Main functions

(1) Measuring parameters: short circuit current, open circuit voltage, maximum power, peak power point voltage, current, IV curve;

(2) Solar cell module power generation test and irradiance flux testing functions.

(3) The function of converting instant data into data under STC (standard testing conditions).

(4) Test and display the surface irradiance of the solar cell module and the back temperature of the solar cell module.

(5) Test waveform storage: The test waveform data and test conditions can be stored in the local memory or external USB drive.

(6) File copy function: You can copy the data files stored in this machine directly to the USB flash drive.

(7) Intelligent battery level indicator function.

(8) Real-time test function to facilitate observation of open circuit voltage display value.

(9) Fast short circuit current testing function.

(10) Calibration database editing function, which facilitates users to set test calibration parameters by themselves.

3.Main technical indicators

(1) DC voltage measurement range: 5V~400V;

(2) DC voltage measurement accuracy: ±0.2%±0.1V;

(3) DC current test range: 0.5A~20A;

(4) DC current test accuracy: ±0.2%±0.01A.

(5) Irradiance test accuracy; ±3.0% reading.

(6) Temperature test accuracy: ±1℃.

4.Photovoltaic testers product functions and advantages

1.Product functions

(1) Single-component testing: The handheld IV curve tester has a unique component power generation test function, which is used for local sunshine resource inspection.The tester provides high-resolution test mode up to 400 points and Ethernet monitoring function that complies with the Modbus/tcp protocol to meet scientific research needs.

(2) String test Photovoltaic power station string test 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.

(3) Irradiation measurement: Detect sunlight at the top of the irradiation meter and measure the irradiance temperature and angle.

(4) STC nominal parameter conversion test: IV test, matches the current specifications of more than 95% of the photovoltaic panels, switches the parameters of different specifications more quickly, and automatically calculates the current power generation efficiency and conversion rate of the panel.

(5) Environmental monitoring function: It has environmental detection functions such as panel temperature detection and solar irradiance detection, and can provide user-selected irradiation meter matching.

2.Product Advantages

(1) 5~400V high-precision curve test

Using our company's new resistance testing module, the single-component detection is more accurate, and it can test the IV curve test of a 400V string and the series parallel test of a 20A string.

(2) Long-lasting endurance

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

(3) Range switching

The test range can be automatically switched for the current voltage of components/serials of different specifications to provide a more accurate test range and provide overvoltage and overcurrent protection.

(4) Photovoltaic module correction database

A rich built-in solar cell module correction model database covers most component manufacturers' products, provides reference for the conversion ratio of test results and provides users with comprehensive parameter setting functions that can be added manually.

(5) High voltage isolation design is safer

The equipment has a high-voltage partition wall power supply design, providing users with reliable safety assurance.The maximum open circuit voltage test range can reach 400V, and it provides up to 1000W photovoltaic array testing function.

(6) Touch screen panel operation

The host operating panel adopts a touch screen and a keyboard operation method.The highlighted LCD screen can be displayed clearly in the sun.The entire machine includes a rich peripheral connection and provides a variety of extended online functions.

(7) National Standard Industry Benchmark

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

◎IEC61215-2005 Crystal silicon photovoltaic modules for ground use—design identification and shape

◎IEC61646-2008 Design and identification specifications for thin film batteries for floors

◎CGC/GF003.1: 2009 Grid-connected photovoltaic power generation system engineering acceptance technical specifications Part 1: Electrical equipment

◎GB4793.1-2007/IEC60010-1 Safety requirements for testing, control and laboratory electrical equipment

◎Requirements for IEC60904-22007 standard solar cell

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

5.Photovoltaic testers configuration list