Tenmars TM-750 Mini Pocket Solar Power Meter 4000 W/M2, 634BTU/(FT2*H) kb
111,27 €
4000W/m2, 634Btu/(ft2 h). 1W/m2, 1Btu/(ft2 h). typically within 10W/m2[+/-3 Btu / (ft2 h) ] or +/-5% . induced error 0.38W/m2 / ºC [+/- 0.12 Btu / (ft2 h)/ ºC ]. - Solar power research. Angular accuracy.
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