A Class 1 Sound Level Meter is a noise measurement instrument that meets the requirements of IEC 61672-1:2002 (or an equivalent such as BS EN 61672-1:2003) to Class 1 [...]
Wind speed accuracy is +/- 3%. We guarantee every wind speed sensors is calibrated and tested before shipment. The wireless module used on wind speed sensors only requires [...]
Wind speed accuracy is +/- 3%. We guarantee every wind speed sensors is calibrated and tested before shipment. The wireless module used on wind speed sensors only requires very low [...]