Dr.Meter SM206 Digital Solar BTU Power Meter
SM206 used in solar radiation measurement, solar research, physical and optical experiments, metrology, and agriculture.Products description:This meter is a precision instrument for measuring the glass light intensity. It is used in solar radiation measurement, solar research, physical and optical experiments, metrology, and agriculture. It can also be used to measure glass light intensity to verify glass properties.Display: 3 3/4LCD display, maximum displayed numerical value 3999Resolution: 0.1W/mm2, 0.1Btu/(ft2-h)Error Range: +-10W/mm2 (+-3 Btu/(ft2-h)) or +-5% of the measured valueTemperature error: +-0.38W/m2/degreeOverload display "OL"Range: 0.1~399.9 W/m2, 1~3999W/m2, 0.1~399.9 Btu/(ft2-h), 1~3999Btu/(ft2-h)Sampling time: 0.5 secondOperating Environment: Temperature: 0~50 Centigrade (32~122 Fahrenheit)Power: one 9V battery (model 6F22)Dimension: 132L*60W*38H (mm).