SKU 421 UVA Sensor
Skye offer sensors to measure light levels in the Ultraviolet A and Ultraviolet B wavebands. The wavelengths used in this UVA sensor is according to CIE standards. This leaflet describes the UVA sensor.
- Skye UVA Sensor to measure the UVA (315-400nm) parts of sunlight.
- Components used have been selected for their stability in a UV environment.
- Studies of plant and animal responses to rising UV levels
- To monitor exposure of test samples in natural and other UV sources
- The bandwidth characteristics are tailored to the ISO standard.
| Working Range | 0-100 W/m² All standard Skye sensors will work at levels of irradiance well above that found in terrestrial sunlight conditions, room or growth chamber lighting |
| Output Signal | 0-2V |
| Sensitivity | 10 mV / W/m² |
| Thermal Drift of Output | (-20 to +50°C) - 0.025mV/°C max |
| Thermal Drift of Zero Offset | (-20 to +50°C) - Typically 0.01 mV/°C |
| Output Impedance | 500 |
| Power Supply | 5-15VDC |
| Absolute calibration error | typ. <3%, 5% max Main source of this error is uncertainty of calibration of Reference Lamp. Skye calibration standards are directly traceable to N.P.L. Standard references |
| Cosine error | 3% Cosine error to 80º is typically 5% max. Figures shown are for normal use sources, e.g., sun plus sky, diffuse sun, growth chambers, etc |
| Azimuth error | < 1% Measured at 45º elevation over 360º |
| Longterm stability | +/-2% Maximum change in one year. Calibration check recommended at least every two years. Experience has shown that changes are typically much less than figures |
| Response time | better than 10ms may be slightly increased if long leads are fitted, or those of a higher capacity cable |
| Weight | 200g (with 3m cable) |
| Temperature range | -30 to +60°C |
| Mounting | M6 x 7mm tapped hole in base. Sensor supplied with. M6 x 16mm screw + 4x 1.5mm washers to suit panel thickness of 3-10mm |
| Dimensions | 67mm X 34mm X 12mm |
