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| Brand | Apogee |
|---|---|
| Origin | USA |
| Model | DLI400, DLI500, DLI600 |
| Measurement Wavelength Range | 400–700 nm (DLI400), 389–692 nm (DLI500), 383–757 nm (DLI600) |
| Measurement Range | 0–4000 µmol/m²/s |
| Resolution | 1 µmol/m²/s (real-time), 0.1 µmol/m²/s (stored PPFD), 0.1 mol/m²/day (DLI), 0.1 h (photoperiod) |
| Calibration Uncertainty | ±5% |
| Long-term Drift | <2%/year |
| Cosine Response Error | ±5% up to 75° zenith angle |
| Field of View | 180° |
| Response Time | 2.5 s |
| Data Logging Capacity | 99 days (DLI & photoperiod), 10 days (30-min averaged PPFD/ePPFD) |
| Operating Temperature | –40 to +70 °C (DLI500/DLI600), –10 to +60 °C (DLI400) |
| IP Rating | IP65 |
| Weight | 67 g |
| Power | Two AAA batteries (≈6 months life) |
| Brand | Apogee |
|---|---|
| Origin | USA |
| Model | SN-500 |
| Measurement Range | Shortwave Up: 0–2000 W/m² |
| Shortwave Down | 0–2000 W/m² |
| Longwave Up | –200 to +200 W/m² |
| Longwave Down | –200 to +200 W/m² |
| Spectral Range | Shortwave Up: 385–2105 nm |
| Shortwave Down | 295–2685 nm |
| Longwave Up/Down | 5000–30,000 nm |
| Sensitivity | 55 µV/W/m² (SW Up) |
| Response Time | <1 s (to 95%) |
| Zero Offset (5 K/h) | 18.2 W/m² (SW Up) |
| Field of View | SW Up: 180° |
| SW Down | 150° |
| LW Up/Down | 180° |
| Built-in Temperature Sensor | PT-100 Platinum RTD |
| Heater | 12 V DC |
| Cable Length | 5 m |
| Ingress Protection | IP67 |
| Output Interface | SDI-12 (4 independent channels) |
| Operating Environment | –50 °C to +80 °C, 0–100 % RH |
| Brand | Kipp & Zonen |
|---|---|
| Origin | Netherlands |
| Model | CMP6 |
| ISO 9060 | 1990 Classification: First Class |
| Spectral Range (50% points) | 285–2800 nm |
| Thermal Offset (at 200 W/m²) | <12 W/m² |
| Temperature Response Drift | <4% (−10 °C to +40 °C) |
| Non-stability (annual) | <1% |
| Non-linearity (100–1000 W/m²) | <1% |
| Tilt Error (0–90°, 1000 W/m²) | <1% |
| Leveling Accuracy | <0.1° |
| Response Time (63%) | <6 s |
| Response Time (95%) | <18 s |
| Max. Irradiance | 2000 W/m² |
| Sensitivity | 5–20 µV/W/m² |
| Impedance | 20–200 Ω |
| Output Signal (0–1500 W/m²) | 0–30 mV |
| Spectral Selectivity (350–1500 nm) | <3% |
| Field of View | 180° |
| Operating Environment | −40 °C to +80 °C, 0–100% RH |
| Ingress Protection | IP67 |
| Brand | Kipp & Zonen |
|---|---|
| Origin | Netherlands |
| Model | Solys 2AP |
| Tracking Accuracy | <0.1° (passive) / <0.02° (active, with optional sun sensor) |
| Torque | >40 Nm |
| Payload Capacity (balanced) | 65 kg |
| Maximum Angular Velocity | 1.8°/s |
| Maximum Angular Acceleration | 3.6°/s |
| Power Supply | 24 VDC or 115/230 VAC, 50/60 Hz |
| Power Consumption | 50 W (tracker), +100 W (optional heater) |
| Operating Temperature | 0–50 °C (standard) / –20–50 °C (with frost cover) / –50–50 °C (with frost cover + heater) |
| Dimensions (H×W×D) | 42 × 26 × 38 cm |
| Weight | 30 kg |
| Communication Interface | RS-232 |
| Software | Win2AP (PC-based, user-supplied) |
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