日本EKO MS-093日照时数传感器 是精准符合世界气象组织（WMO）观测标准的设备，该传感器只对直接辐射敏感，并数字化输出日照时长数据。
【MS-093优点】：
全天候，高测量，满足WMO标准设备；
高度集成，探测单元具有卓越的长期稳定性；
适合长期室外使用；
经济有效的精密测量日照时长设备。
【应用领域/Applications】：
气象观测
大气环境监测
光伏产业
太阳能评估及监测
农林业
建筑材料老化
Specifications
| Wavelength Range | 300 to 2,500nm | |
| M i rror Rotation Speed | 100 revolutions /hour (Optional: 120 revolutions/hour) | |
| Sunshine Duration Threshold | Direct Solar Irradiance 120W/m2 | |
| Sunshine Duration Measurement Error | Within ±10% aga inst the Sunshine Duration Threshold | |
| Power Voltage | DC10.5 to 12. 5 V | |
| Consumption Current | 380mA to 450mA ( - 30 to 40°C) | |
| Operation Temperature Range | -20 to 40°C | |
| Sunshine Duration Outputs | Output : | Non-voltage contact output Pulse Width: 1±?0.05sec. Voltage Resistance: 60V |
| Sunshine : | Make contact for one second every 36 seconds 1pulse/36 sec., 100pulse/hour | |
| No Sunshine : | Contact remains in break condition | |
| Weight | 2.1kg | |
| Materials | Body : | A6063BD |
| Glass Tube : | Borosilicate Glass (Hard Glass) | |
| Sensor Cover : | SUS | |
Reset Box (Optional)
| Detection Time of Stopped Mirror | Approximately 7.5 Sec. |
| Power Supply Reset Time | Approximately 20 Sec. (Mirror does not rotate for same length of time when the power is turned on for the first time.) |
| Dimension | 130(D) x90(W) x 47(H)mm |
| Weight | Approximately 560g |
| Cable Length | 1m |
Power Box (Optional)
| Power Voltage | AC85 to 264V (50/60Hz) |
| Output Voltage | DC12V |
| Fuse | 2A (φ5.2 x 20, N-type) |
| Power Consumption | 11VA |
| Size | 200 W x 140 D x 80 H |
| Weight | Approximately 1.1kg |
Blower Fan Unit (Optional)
| Maximum Wind Flow Rate | Approximately 1m3/min |
| Maximum Static Pressure | Approximately 3.3mm H2O |
| Noise | Approximately 40phon |
| Rotation Frequency | Approximately 2,700rpm |
| Power Voltage | DC12V |
| Power Cable | 10m (non-treated cable ends) |
| Power Consumption | 16W |
| Weight | Approximately 1.7kg |
方法1. 使用MS-093日照时数传感器，该传感器只对直接辐射敏感，并数字化输出超过120W/m^2的辐射量，此方法为测量日照时数经济有效的方法。并且是符合世界气象组织（WMO）观测标准的设备。
方法2. 使用总辐射表测量太阳总辐射，通过太阳位置估算直接辐射分量。
方法3. 的测量日照时数的方法是使用MS-56型直接辐射传感器和STR21G/22G太阳追踪器。
