MS-093, Sunshine Duration Meter

A high quality sunshine duration meter without a world-wide competitor

The WMO has defined sunshine duration as the time interval when direct solar radiation exceeds 120W·m-2. The EKO MS-093 Sunshine Duration Meter utilizes a pyroelectric sensor, one type of thermal sensor, that outputs a time differential coefficient processed for reliable measurement of only the direct solar radiation, without being affected by the diffuse radiation, integrated over the period when it exceeds a threshold value of 120W·m-2.