UNI-T SOLAR IRRADIANCE METER UT381PV | 0～1400W/M² MEASUREMENT | -40～120℃ TEMPERATURE MEASUREMENT | –90.0~+90.0 ° INCLINATION MEASUREMENT | ENVIRONMENTAL/WEATHER, SOLAR PANEL TESTING, BUILDING & ENERGY STUDIES AND MORE

UNI-T UT381PV Solar Irradiance Meter for Solar Panel Testing

The UNI-T UT381PV Solar Irradiance Meter is a professional instrument designed for measuring solar irradiance and evaluating solar photovoltaic (PV) installation conditions. It combines solar irradiance measurement with temperature, inclination, and azimuth measurement, making it a practical tool for solar panel installation, PV system inspection, solar maintenance, energy studies, and photovoltaic testing.

Designed for both natural and simulated sunlight environments, the UT381PV helps solar professionals determine whether solar panels are positioned correctly and receiving suitable levels of solar radiation. Its integrated inclination and azimuth measurement functions make it easier to check the tilt angle and direction of a solar panel during installation.

The UT381PV also supports mobile app connectivity and can be integrated with compatible UNI-T photovoltaic testing equipment, providing a more comprehensive solution for professional solar PV inspection and maintenance.

What Is the Purpose of the UNI-T UT381PV?

The main purpose of the UNI-T UT381PV is to measure the amount of solar irradiance reaching a surface, particularly solar panels and photovoltaic systems. Solar irradiance is an important factor when evaluating solar panel installation conditions and photovoltaic system performance.

In addition to irradiance measurement, the UT381PV can monitor temperature and determine the inclination and azimuth of a solar panel. This allows technicians and solar installers to check whether a panel is positioned at an appropriate angle and direction for the installation.

The instrument can be used during solar panel installation, commissioning, inspection, maintenance, PV product testing, building energy studies, and other applications where solar radiation and panel positioning need to be evaluated.

How to Use the UNI-T UT381PV Solar Irradiance Meter

1. Power on the meter: Turn on the UT381PV and ensure the instrument is ready for measurement.
2. Position the instrument: Place the meter where the solar irradiance needs to be measured, ensuring the sensor has a clear exposure to the light source.
3. Measure solar irradiance: Use the irradiance measurement function to determine the amount of solar radiation reaching the measurement surface.
4. Measure temperature: Use the appropriate temperature measurement function to monitor ambient conditions or solar panel temperature.
5. Check inclination: Position the meter on or in relation to the solar panel to determine the panel's tilt angle.
6. Check azimuth: Use the built-in directional measurement function to determine the orientation of the solar panel.
7. Use the mounting accessories: Use the supplied solar panel mounting bracket and temperature probe where required for convenient field measurements.
8. Record measurements: Store measurement data for later analysis, inspection reports, commissioning records, or maintenance documentation.
9. Connect to the mobile app: Use the supported mobile application for wireless data transmission, monitoring, and measurement management.

Key Features of the UNI-T UT381PV

• Solar irradiance measurement: Measures solar radiation for photovoltaic installation and inspection applications.
• Temperature measurement: Supports monitoring of ambient and solar panel temperatures.
• Inclination measurement: Helps determine the tilt angle of solar panels during installation and inspection.
• Azimuth measurement: Helps check the directional orientation of photovoltaic panels.
• Multiple target measurement: Allows professionals to evaluate different measurement points during inspection.
• Dual temperature measurement channels: Useful for comparing environmental and solar panel temperature conditions.
• Mobile app connectivity: Supports wireless connection with the compatible mobile application for convenient data management.
• Bluetooth wireless transmission: Provides convenient wireless data communication for field measurements.
• Large data storage: Allows extensive measurement records to be stored for later review.
• Adjustable data storage interval: Supports flexible recording intervals for monitoring applications.
• Compass calibration: Helps maintain reliable directional measurements when checking solar panel orientation.
• Quick-release mounting bracket: Makes positioning the instrument on compatible solar panel installations more convenient.
• UV-resistant housing: Designed with outdoor solar inspection applications in mind.
• IP65 protection: Provides protection suitable for demanding field environments.
• 2-meter drop resistance: Helps improve durability for professional field use.
• Integration with PV testing equipment: Can work with compatible UNI-T photovoltaic testing solutions such as the UT541 I-V Curve Analyzer.

Why Choose the UNI-T UT381PV?

The UNI-T UT381PV Solar Irradiance Meter combines several important solar installation measurements into one portable instrument. Instead of using separate tools to measure irradiance, temperature, panel inclination, and direction, solar professionals can use one device for multiple inspection tasks.

Its integrated irradiance, temperature, inclination, and azimuth measurement functions make it especially useful during PV system installation and commissioning. Technicians can check the solar conditions while also verifying the physical positioning of solar panels.

The UT381PV is also designed for field use, with a durable housing, wireless connectivity, data storage, and dedicated solar panel mounting accessories. Mobile app connectivity further simplifies the collection and management of measurement data.

Who Should Buy the UNI-T UT381PV?

The UT381PV is an excellent choice for professionals involved in solar energy, photovoltaic installation, inspection, testing, and maintenance, including:

• Solar panel installation companies
• Solar PV technicians
• Solar energy engineers
• Photovoltaic system installers
• Solar maintenance technicians
• PV commissioning engineers
• Renewable energy professionals
• Electrical contractors working with solar systems
• Solar farm maintenance teams
• PV laboratory technicians
• Building energy auditors
• Energy consultants
• Solar equipment testing professionals
• Technical training centers and educational institutions

Where Is the UNI-T UT381PV Used?

The UNI-T UT381PV solar irradiance meter is suitable for a variety of solar energy, photovoltaic, environmental, and energy inspection applications.

• Solar panel installation: Check irradiance, panel temperature, inclination, and orientation during PV system installation.
• Photovoltaic power stations: Perform field measurements during solar farm installation, inspection, and maintenance.
• Solar panel maintenance: Evaluate solar conditions and panel temperature during routine maintenance.
• PV system commissioning: Verify installation conditions and panel positioning before putting a solar system into operation.
• Solar troubleshooting: Investigate environmental and installation factors that may affect photovoltaic system performance.
• PV laboratory testing: Measure solar irradiance and related parameters during photovoltaic product testing.
• Solar product testing: Evaluate solar panels and compatible PV products under natural or simulated sunlight.
• Building energy studies: Collect solar radiation and environmental measurements for energy-related assessments.
• Environmental and weather studies: Measure solar irradiance and temperature conditions for suitable environmental applications.
• Solar research: Support data collection for photovoltaic and renewable energy research projects.

Benefits of Using a Solar Irradiance Meter

Solar irradiance has a direct impact on the amount of solar energy available to photovoltaic systems. Measuring irradiance during installation and inspection helps professionals understand the solar conditions at a specific location and evaluate whether a panel is positioned appropriately.

The UT381PV goes beyond basic irradiance measurement by combining solar radiation measurement with temperature, inclination, and azimuth monitoring. This gives solar installers and technicians more information when evaluating PV installation conditions.

Its wireless connectivity and data storage functions also make it useful for documenting measurements during larger solar projects, routine maintenance, and professional inspection work.

Professional Solar PV Measurement Solution

The UNI-T UT381PV is designed to provide solar professionals with a versatile measurement solution for photovoltaic installation, inspection, maintenance, and testing. Its combination of irradiance measurement, temperature monitoring, panel angle measurement, directional measurement, wireless communication, and data recording makes it a valuable tool for modern solar service teams.

Whether used for a residential solar installation, commercial PV project, solar power station, or photovoltaic laboratory, the UT381PV provides practical measurement capabilities for evaluating solar conditions and panel positioning.

Frequently Asked Questions

Important Product Note

The UNI-T UT381PV is designed for professional solar irradiance and photovoltaic measurement applications. For accurate results, follow the manufacturer's operating instructions, correctly position the instrument, and ensure that the solar measurement sensor has an unobstructed view of the light source.