- range of multi-channel sensors from a Company with over 35 years experience in designing and manufacturing light sensors
- high quality and affordable
- research grade
- waterproof models available
- sensors individually calibrated, radiance and irradiance, and supplied with a calibration certificate
- calibration traceable to UK national standards at the National Physical Laboratory
- calibration in µmols or watts
- suitable for long-term outside installations
- lightweight
- standard NDVI/PRI wavelengths or user choice
- bespoke wavelengths available between 400 and 1050nm
- suitable for installations on masts, flux towers, aeroplanes, UAVs
- instantaneous synchronised readings from radiance and irradiance sensors when used with Skye meters and dataloggers
- systems available with GPRS communications for automatic upload to a website
SKR 1840 | SKR 1850 | SKR 1860 | |
No. channels | 2 | 4 | 4 |
Construction | UV resistant 'Delrin’ 527UV | Black acetyl and black anodised | Anodised aluminium housing. Cosine correcting diffuser and optical glass |
Cable | Screened military specification | Screened military specification | Screened military specification |
Wavelengths | Choose between 400nm and 2400nm | Choose between 400nm and 2400nm | Choose between 400nm and 2400nm |
Bandwidths | Choose from 5nm up to 100nm | Choose from 5nm up to 100nm | Choose from 5nm up to 100nm |
Filters matched in pairs for incident and reflected sensors | ✔ | ✔ | ✔ |
Detector | Wavelength dependent | Wavelength dependent | Wavelength dependent |
Filters | Metal Interference and/or glass depending on wavelength and bandwidths chosen | Metal Interference and/or glass depending on wavelength and bandwidths chosen | Metal Interference and/or glass depending on wavelength and bandwidths chosen |
Output | µA | µA | µA or voltage |
Amplified models available | ✔ | ✔ | ✔ |
Linearity error | <0.2 | <0.2 | <0.2 |
Absolute calibration error | typ. <3%, 5% max | typ. <3%, 5% max | typ. <3%, 5% max |
Cosine error | ± 3% | ± 3% | ± 3% |
Longterm stability | ± 2% | ± 2% | ± 2% |
Temperature Range | -25 to +70°C | -25 to +70°C | -25 to +70°C |
Weight | 295g | 400g | 600g with 3m cable |
Dimensions | 49mm (diameter x 86mm (height) | 54mm (with head) x 85mm (with head) | 59mm (body diameter), 67mm with cosine correcting head 93 mm (height with head) |
IP rating | IP67 | IP54 | IP67 |
Suitable for Permanent Installations | ✔ | X | ✔ |
Compatible with Skye's range of SpectroSenses and DataHogs | ✔ | ✔ | ✔ |
SKR 1840 | SKR 1840D | 2-channel sensor for incident light |
SKR 1840ND | 2-channel sensor for reflected light | |
SKR 1840D/NDVI | NDVI sensor for incident light | |
SKR 1840ND/NDVI | NDVI sensor for reflected light | |
Notes 2. Sensors usually supplied in pairs, ie 1 x ****D and 1 x ****ND 5. Meters and dataloggers available - please enquire | ||
SKR 1850 | SKR 1850D | |
SKR 1850ND | ||
Notes 2. Sensors usually supplied in pairs, ie 1 x ****D and 1 x ****ND 5. Meters and dataloggers available - please enquire | ||
SKR 1860 | SKR 1860D | |
SKR 1860ND | ||
Notes 2. Sensors usually supplied in pairs, ie 1 x ****D and 1 x ****ND 5. Meters and dataloggers available - please enquire |
We have many Case Studies, some of which use our Multi-Channel Sensors. Please visit them and have a look.
We have produced a number of Technical Guides. Please visit this section of the website and have a browse.