EKO天空扫描仪MS-321LR用于测量天空半球内145点的亮度和辐照度。这个传感器具有11度的光圈和追踪器，双轴控制的设计使其可以同时测量亮度和辐照度的分布。此产品满足满足国际照明委员会（CIE）设计标准，是国际日照观测计划推荐使用产品。用于操作设备的软件界面友好，便于操作。
【产品优点】：
【应用领域/Applications】：气象预报及服务
农业气象及生态研究
大气环境监测和研究
太阳能资源监测和评估
光伏产业等
建筑设计
【产品型号及参数/Specifications】：
| MS-321 (Sensor) |
| Sensitivity (Luminance) | 50 kcd/m2 (full scale) |
| Resolution | about 15 cd/m2 |
| Sensitivity (Irradiance) | 300 W/m2·sr (full scale) |
| Resolution | about 1.0 W/m2·sr |
| entire sky scanning time | 4 min/145 points |
| resolution (angle) | 0.0036° |
| accuracy (angle) | 0.2° |
| MS-321 (Tracker) |
| Motor | Stepping motor |
| Motor driving mode | Half step |
| Driving technology | Harmonic Drive |
| Pointing accuracy | < 0.01° (Solar Elevation: 0 to 87°) |
| Angle resolution | 0.009° |
| Rotation angle | Elevation-angle(-15° to +95°), Azimuth-angle(0° to +/-180°) |
| Torque | 12 Nm |
| Payload | 7kg balanced |
| Tracking mode | Sun-sensor mode and Calculation mode are automatically switched. |
| Tracking accuracy of Sun-sensor mode | +/- 0.01° |
| Sun-sensor field of view | +/- 15° |
| Environmental Protection | IP65 |
| Temperature range | From -40 to +50°C |
| Altitude for solar position calculation | No Limitation |
| Communication | RS-232C, 9600bps, 8N1 |
| Power requirement | AC100 to 240V, 50/60Hz, 20W; DC18 to 30V, 15W for DC optional Sun Tracker |
| Dimension | 430(W) x 380(D) x 440(H) mm |
| Weight | 12.5 kg |
