特征
| 制造商 | 日照强度计 | 地面辐射强度计 | 日温计 |
| EKO | MS-802,MS-402 | MS-202 | MS-54 |
| Kipp & Zonen | CM21, CM6B | CG4 | CH1, PMO-6 |
| Eppley | PSP, 848 | PIR | NIP, AHF |
技术指标
| STR-21单臂 | STR-22双臂 | |
| 驱动原理 | 谐波驱动传动系统 | |
| 电机 | 步进电机 | |
| 操作 | 半步 | |
| 传动系统组装 | 谐波驱动 | |
| 追踪模 | 式Sun-sensor 模式，Calculation模式自动选择 | |
| < 0.01 degrees | ||
| 分辨率 | 0.009 degrees | |
| 扭矩 | 12 Nm | 24 (12+12) Nm |
| 有效载荷 | 7kg | 15kg |
| 温度范围 | -40至+50℃ | |
| 海拔 | 任意海拔 | |
| 时钟 | 2 ppm，Power-on at 25℃ | |
| 备用电池寿命 | 3,650 days (power-on)，1,000 days (power-off) | |
| 通讯接口 | RS-232C，9600bps，8N1 | |
| 控制软件 | 基于Microsoft Windows系统 | |
| 电源 | AC100 to 240V，50/60Hz，50VA | |
| 尺寸 | 430(W)~ 380(D)~ 440(H) mm | |
| 重量 | 11.5 kg | 13.5 kg |
| Model | STR-32G Double Arms | |
| Motor | Stepping motor | |
| Motor driving mode | Half step | |
| Driving technology | Harmonic Drive | |
| Pointing accuracy | < 0.01° (Solar Elevation: 0 to 87°) | |
| Angle resolution | 0.0036° | |
| Rotation angle | Elevation-angle(-15° to +95°) Azimuth-angle(0° to +/-180°) | |
| Torque | 60 Nm (30 + 30 Nm) | |
| Load Capacity | 60 kg (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° | |
| GPS Sensor measurement accuracy | Horizontal Position: Below 15m (2drms). GPS Positioning | |
| GPS Sensor positioning start time | < 5min. (depends on the recieving condition.) | |
| LED Indicator | Power, GPS status | |
| 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, 50W DC19 to 32V, 20W for DC optional Sun Tracker (Power consumption 15W) | |
| Dimension | 430(W) x 380(D) x 250(H) mm | |
| Weight | 15 kg | |
