EXTECH SP505 Pocket Solar Power Meter

Extech SP505 Pocket Solar Power Meter measures solar power level from outdoor sunlight to determine the best location for solar panel and solar water heater installations.

(2 customer reviews)

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EXTECH SP505 Pocket Solar Power Meter

The Extech SP505 Pocket Solar Power Metre is a handy tool for measuring solar power levels in natural sunshine. Its principal function is to aid in selecting the best location for solar panel and solar water heater installations. Its utility, however, extends beyond outdoor applications.

Indoors, the SP505 is useful in a variety of sectors and by homeowners. It is used by window makers to analyse the level of solar radiation transmission through various glass thicknesses and tinting levels, assisting in the selection of acceptable materials for window installations. Its capabilities are especially useful in the automotive industry, where it is used to monitor solar radiation and tinting levels in automotive glass.

The SP505’s portability and convenience set it unique. This pocket-sized metre includes a built-in accuracy solar light sensor, making it extremely user-friendly and portable.

The Extech SP505 Pocket Solar Power Metre is a valuable and accessible tool for all your solar power measurement needs, whether you’re in the renewable energy field, the window manufacturing industry, the automotive sector or simply a homeowner looking to make informed decisions about solar installations.

EXTECH SP505 Pocket Solar Power Meter specifications:

  • Measuring Ranges 3999 W/m² 1 W/m² ±10 W/m²
  • 634 BTU/(ft²*h) 1 BTU/(ft²*h) ±3 BTU (ft²*h) or ±5% whichever is greater
  • Spectral Response 400 nm to 1100 nm
  • Dimensions 4.3 x 1.9 x 1″ (108 x 48 x 23mm)
  • Weight 2.8oz (80g)
2 reviews

2 reviews for EXTECH SP505 Pocket Solar Power Meter

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  1. Samantha

    Excellent device. Simplicity itself to operate. It’s data logging features really work exceptionally well too. That’s important with UV because it’s time and intensity that impact the exposure scoring.

  2. Christine

    For the price, works great.

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EXTECH meters and testers help you ensure uptime, maximize productivity and verify compliance. Whether used as a component of an effective predictive maintenance program or as a key tool for a rapid response repair team, EXTECH instruments are the meters of choice for professionals who need to solve problems. Extech continues to build brand loyalty and trust among electrical contractors, industrial mechanics, facilities maintenance, HVAC/R technicians, sustainability & safety directors, public works managers, building & restoration contractors, and more. Extech products are backed with a standard full 2-year warranty, and select products up to 3 years, against defects.


Data Sheet


Lux meter
Solar Power range/Resolution/Accuracy

Accuracy: ±10 W/m², ±3 BTU/(ft²×h) or ±5% (whichever is greater), range: 3999 W/m², 634 BTU/(ft²×h), Resolution:1 W/m², 1 BTU/(ft²×h)

Mechanical and General Specifications

108 × 48 × 23mm




2 × AAA (1.5V) batteries