Tenmars TM-207 Solar Power Meter

by Tenmars
Tenmars TM-207 Solar Power Meter
TM-207 Solar Power meter is ideal for the measurement of the solar radiation that is emitted by the sun from a nuclear fusion reaction that creates electromagnetic energy.
The spectrum of solar radiation is close to that of a black body with a temperature of about 5800 K. About half of the radiation is in the visible short-wave part of the electromagnetic spectrum. The other half is mostly in the near-infrared part, with some in the ultraviolet part of the spectrum.
The units of measure are Watts per square meter or BTU, the typical test and measuring applications are:
Meteorology applications
Agriculture applications
Physics and optical laboratories
Solar radiation measurement.
Solar transmission measurement
Solar power research
Identify high performance windows
Helpful to set up Solar PV Panels at optimum angles of incidence
Light Intensity Measurement for the car windows


31/2 digits LCD display with maximum reading of 2000
External senso
Measuring the Solar radiation emitted by the sun
Display units: W/m2 (Watts per square meter) or BTU
Data Hold/ MAX/MIN functions


Display: 31/2 digits, 2000 readings
Range: 2000 W/m2, 634BTU / (ft2xh)
Resolution: 0.1 W/m2, 0.1 BTU/ (ft2xh)
Accuracy: Typically within +/- 10W/m2 [+/-3 BTU/ (ft2xh)] or +/- 5% whichever is greater in sunlight, Temperature included error +/- 0.38 W/m2 / oC [+/-0.12 BTU/ (ft2xh)] / oC] deviation from 25 oC
Angular accuracy: Cosine corrected
Drift: < +/- 2% per year
Over-input: Display "OL"
Sampling time: 0.25 second
OperatingTemp. and Humidity: 0C ~ 50oC below 80% RH
Power supply: 9V battery x1
Sensor wire length : Approx. 1.5M
Size:130x 55x 39mm(LxWxH)
Weight: About 150g.