Key Features
- 10 wavelength reflectometer output not affected by ambient light - robust and field-ready
- Connects to Real Food Campaign app to collect, share, and display results.
- Includes 3 starter experiments and tutorial to create your own
- Connects to any Android device wirelessly using Bluetooth or wired using USB On The Go.
- Includes wall charger and internal 3400 mAh battery.
- Fully open source and hackable.
Applications
Designed for use with:
- liquids in 5ml or 0.7ml square cuvettes
- liquid colormetric measurements (example: pH change)
- cell density (940nm)
- examples: milk fat concentration, spectral properties of juices, wines, etc.
- soil or other bulk soil
- soil carbon estimation (requires calibration)
- soil color estimation
- solids objects (fruits, veggies)
- spectral signatures for nutrient estimation (requires calibration)
- leaves or other flat objects
- NDVI (greenness) in leaves
- Relative carotenoids, anthocyanins, or other color-related compounds.
Default Output
- Reflectance at all wavelengths (normalized from 0 - 100)
- Chlorophyll fluoresence and any fluorescence with excitation <700nm and fluorescence >700
- NDVI (greenness) in leaves
Sensor Detail
Reflectance hardware
- 10 Wavelengths (nm): UVB - 365; Visible - 385, 450, 500, 530, 587, 632; Far Red / NIR - 850, 880, 940
- 2 Detectors (nm range): 300 - 700, 700 - 1100
Additional sensors
- Temperature (full range: -40 - 85C, accuracy within 0 - 65C: +-1C)
- Relative Humidity (range: 0 - 100%, accuracy: +-3%)
- Pressure (range: 300 - 1100 hPa, accuracy: +-0.25%)
- VOCs (range: 0 - 500 IAQs, accuracy: +-15%)
- Audio jack for additional inputs/outputs. Examples include soil sensor, moisture sensor, etc.
Case
- 13.9 x 5.2 x 4.6cm
- 3D printed from PETG
- Temperature resistant up to 60C
Calibration
All instruments come individually calibrated to reduce instrument to instrument variation, variation by time and by temperature.
For long-term shifts in signal intensity, users may easily recalibrate, or calibrate several machines to the same standard.