What does this solar power meter measure?

It measures solar radiation (insolation) falling on a horizontal surface. The range is 0–1999 W/m² or 0–634 BTU/(ft²·h), with accuracy of ±10 W/m² and ±3 BTU/(ft²·h). It suits solar panel evaluation, meteorology, and environmental monitoring.

Can I switch between W/m² and BTU units?

Yes. The meter supports dual-unit switching between W/m² and BTU/(ft²·h) to match different testing requirements, making it easier to compare results across solar-energy and heat-radiation applications.

How does the MAX/MIN tracking function work?

Press the dedicated button to record the highest and lowest irradiance values during a session. This lets you observe changes in sunlight intensity over time without needing to watch the display continuously.

What is the manual zeroing feature and when should I use it?

Manual zeroing lets you set the correct baseline before taking a measurement. Press the zero-adjust control prior to testing to ensure accurate readings from the start. The clear digital display supports straightforward operation throughout.

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Solar Power Meter, 2000 W/m² Range Handheld Solar Irradiance Meter with Dual Units, MAX/MIN Tracking, Data Hold, Manual Zeroing, Digital Sun Meter for Solar Panel Evaluation and Site Testing

Solar Power Meter, 2000 W/m² Range Handheld Solar Irradiance Meter with Dual Units, MAX/MIN Tracking, Data Hold, Manual Zeroing, Digital Sun Meter for Solar Panel Evaluation and Site Testing

Product ID: 85773974

📊MAX/MIN sunlight tracking

🔄Dual units W/m² & BTU switch

☀️0–1999 W/m² wide range

Description

☀️ Harness the power of precision — never miss a ray!

EFFORTLESS CALIBRATION - Manual zeroing ensures every reading starts from a perfect baseline
PRECISION SOLAR INSIGHT - Accurate ±10 W/m² measurement for confident energy assessments
CUSTOMIZABLE SENSITIVITY - Manual scale selection (199.9 or 1999 W/m²) adapts to weak or intense sunlight conditions
VERSATILE UNIT SWITCHING - Seamlessly toggle between W/m² and BTU/(ft²·h) to suit any solar or heat-radiation project
DYNAMIC SUNLIGHT MONITORING - MAX/MIN tracking captures sunlight fluctuations without constant screen-watching

The TM206 Solar Power Meter is a compact, handheld device designed for professionals to accurately measure solar irradiance from 0 to 1999 W/m² with ±10 W/m² accuracy. Featuring dual unit switching between W/m² and BTU/(ft²·h), MAX/MIN tracking, manual zeroing, and selectable measurement scales, it empowers precise solar panel evaluation and site testing. Rugged and battery-powered, it’s the essential tool for optimizing solar energy efficiency.

Specifications

ASIN	B07HY8YVKQ
Batteries	1 9V batteries required.
Batteries Required?	No
Batteries included?	No
Battery Cell Type	Alkaline
Best Sellers Rank	50,380 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 743 in Electrical Testing
Colour	Solar Power Meter
Customer Reviews	4.3 4.3 out of 5 stars (72)
Date First Available	23 Jun. 2014
Guaranteed software updates until	unknown
Item Package Quantity	1
Item Weight	172 g
Item model number	TM206
Manufacturer	Tenmars
Package Dimensions	20.5 x 12.2 x 6.8 cm; 172.37 g
Part number	TM206
Power source type	Battery Powered

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