Fluke IRR1-SOL Solar Irradiance Meter
If you’re surveying, installing, executing maintenance or checking performance of solar panels or a photovoltaic system, the Fluke IRR1-SOL Irradiance Meter gives you the 4 critical measurements needed all in one easy-to-use tool.
Make instantaneous measurements to determine the watt per square meter solar irradiation, required by IEC 62446-1 standard.
Measure temperature by either placing the meter directly on the panel or by connecting the external probe.
Find cardinal direction with the compass, and verify inclination of a roof or panel with the tilit function.
Key Features & Specifications:
- Measure solar irradiance, ambient and PV module temperature, array orientation and tilt angles
- High contrast LCD with large numbers for easy readability in direct sunlight
- Includes convenient carry case with shoulder strap
- Measuring Range 0 to 1400 W/m², resolution 1 W/m²
Packaging includes
- Solar Irradiance Meter
- External Temperature Probe with Suction Cup
- Carrying Case with Sholder Strap
- 4 x AA Batteries

