เครื่องวัดพลังงานแสงอาทิตย์ Tenmars TM-206A Solar Power Meter

Features:

• Super low price, high precision.
• Measurable light sources, including all visible light.
• Overload display OL.
• Select either W/m2 or BTU / (ft2*h) units1
• Stable for long use.

Specifications

• Resolution: 1W/m2, 1 BTU / (ft2*h)
• Accuracy: < ±3/year
• Over-input: Display shows"OL".
• Range: 1999W/m2, 634 BTU /(ft2*h).
• Accuracy: Typically within ± 10W/m2 [ ±3 BTU / (ft2*h) ] or ±5%, Whichever is greater in sunlight,  Additional temperature induced error ±0.38W/m2/°C [±0.12BTU/(ft2*h)/°C] from 25°C
• Display:  3½ digits LCD with maximum reading 1999.
• Sampling  time: 0.25 second.
• Dimensions: 140x65x37.5mm(length x width x height).
• Weight: Approximately 300g.