Fluke IRR1-SOL Solar Irradiance Meter – Solar Power Meter, Integrated Compass,1400 W/m² Maximum Light Level


£285.00 / £342.00 incl VAT

  • Handheld tool for all-in-one solar measurements
  • Durable, easy-to-read, and compliant with IEC 62446-1 standards
  • Compass and inclination sensor for panel orientation and tilt
  • Solar resource and IV curve calculation for system design and performance
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The Fluke IRR1-SOL Irradiance Meter


The Fluke IRR1-SOL Irradiance Meter is a handheld tool that makes it easy to install, test, and maintain photovoltaic systems. It measures irradiance, temperature, inclination, and direction of the solar array in one device. It has a durable design, a protective case, and a high-contrast LCD screen. It meets the IEC 62446-1 standards for solar energy. It also has a compass and an inclination sensor to measure and document the orientation and tilt of the panels.

The IRR1-SOL can help you with:

  • Designing and surveying photovoltaic systems. You can find the expected production and shading at a site by measuring the solar resource in peak sun hours.
  • Measuring the performance of the system. You can check the electrical characteristics and the power output of the array by using the solar irradiance to calculate the IV curve.
  • Comparing and diagnosing the system. You can troubleshoot any issues with the system by ensuring that it receives the correct amount of irradiance energy to generate the DC voltage for the inverter.

The IRR1-SOL is the ideal tool for every solar installer and technician.

Features & Benefits

• Inclination measurement feature lets you establish tilt to determine the best orientation
• Built-in compass means it’s simple to find the cardinal direction, for a full picture of site conditions
• High-contrast LCD screen makes results easy to read, even in direct sunlight


• Roof-mounted panels
• Large photovoltaic installations

How is this device powered?

This meter is powered by four AA alkaline batteries, which typically have a life of 50 hours or over 9,000 readings.


Maximum Light Level 1400W/m²
Best Accuracy ±5 %
Resolution 1 W/m²
Test Type Solar Power
Includes (4) AA Alkaline Batteries, C250 Carrying Case with Shoulder Strap, FLK80PR-IRR External Temperature Probe with Suction Cup, FLK-IRR1-SOL Solar Irradiance Meter, User Manua
Battery Life 50 hour
Battery Type AA
Dimensions 150 x 80 x 35mm
Weight 231g
Height 35mm
Length 150mm
Maximum Operating Temperature +100°C
Width 80mm
Minimum Operating Temperature -30°C
Model Number p Fluke IRR1-SOL

Fluke IRR1-SOL Solar Irradiance Meter
Includes: FLK-IRR1-SOL Solar Irradiance Meter, FLK80PR-IRR External Temperature Probe with Suction
Cup, C250 Carrying Case with Shoulder Strap, (4)
AA Alkaline Batteries, User Manual


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