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- BF5 Sunshine Sensor
- Product Detail
- Company Profile
The BF5 Sunshine Sensor is a versatile, multi-purpose solar radiation sensor. It uses an array of photodiodes with a unique computer-generated shading pattern to measure incident solar radiation. A microprocessor calculates the global and diffuse components of the radiation and determines the sunshine state. The BF5 Sunshine Sensor is protected by patents EP 1012633 and US 6417500.
Specification
For simultaneous outputs of total radiation, diffuse radiation and sunshine status. Output can be pre-set to PAR, Energy or Lux units.
| Output setting | |||
| PAR | Energy | Illuminance | |
| Units | µmol.m-2.s-1 | W.m-2 | klux |
| Overall accuracy: Total | ±10 µmol.m-2.s-1 ±12% | ±5 W.m-2 ±12% | ±0.600 klux ±12% |
| Overall accuracy: Diffuse | ±10 µmol.m-2.s-1 ±15% | ±20 W.m-2 ±15% | ±0.600 klux ±15% |
| Resolution | 0.6 µmol.m-2.s-1 | 0.3 W.m-2 | 0.060 klux |
| Range | 0-2500 µmol.m-2.s-1 | 0-1250 W.m-2 | 0-200 klux |
| Analogue output sensitivity | 1 mV = 1 µmol.m-2.s-1 | 1 mV = 0.5 W.m-2 | 1 mV = 0.100 klux |
| Analogue output range | 0-2500 mV | 0-2500 mV | 0-2000 mV |
| Accuracy : Sunshine hours | ±10% compared to the WMO definition |
| Accuracy : Cosine correction | ±10% of incoming radiation over 0-90° Zenith angle |
| Accuracy : Azimuth angle | ± 5% over 360° rotation |
| Temperature coefficient | ± 0.15 % /°C (typical) |
| Temperature range | -20 to + 50°C with Alkaline batteries -20 to + 70°C with Lithium batteries |
| Stability | Recalibration recommended every 2 years. |
| Response time | < 250 ms |
| Spectral response | 400-700 nm |
| Latitude capability | -90° to + 90° |
| Environmental | IP65 ( shower and dust proof) |
| Sunshine status : contact closure | No sun = open circuit Sun = short circuit to ground |
| Internal battery | 2 x 1.5 V AA alkaline batteries |
| Power requirement | 2 mA (awake ), <30 µA (asleep) |
| Heater power | 12 V – 15 VDC, up to 1.5 A |
| Battery lifetime | 1 year (typical) |
| Input voltage range – powered from internal battery | 1.4 to 3.6 VDC |
| Input voltage range – external power | 5 to 15 VDC |
| Fuse trip point, on sunshine status signal, (when in switch-closure mode) | 0.5 A, 30 V (self-resetting) |
| Max applied voltage to sunshine status output, in contact closure mode | 0 to 24 V |
| RS232 connector | 5-pin M12 |
| Signal output & power-in connector | 8 pin M12 |
| Mounting options: | Camera tripod socket (¼ inch Whitworth). Holes for 4 x M4 bolts at corners of box. |
| Size & Weight | 120 mm x 122 mm x 95 mm, 635 g |
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Channel science and technology has been dedicated to the teaching, scientific research and the sales, research and development of applied instruments in the fields of soil, plants, environment, hydrology, meteorology and animal physiology, ecology and environmental hydrology for many years.
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