PARAMETERS:
Resolution: 0.1W /m2, 0.1B tu/(ft2-h);
Range error: ±10W/m2 (±3Btu/(ft2-h) or ±5% of the measured value;
Temperature error: ± 0.38W /m2/ ± 0.12B tu/(ft2-h)/ Deviation at 25°C;
Display: 3-3/4 LCD display, maximum 3999;
Measuring range: 0.1 - 399.9W /m2, 1-3999W/m2, 0.1 - 399.9B tu/(ft2-h), 1-3999Btu/(ft2-h);
GUARANRTEE: If there any issue about this product, please us, we will give the best solution in the first time. we guarantee replacement or refund.