{"product_id":"apogee-usb-full-spectrum-quantum-sensor-400-700nm","title":"Apogee USB Full Spectrum Quantum Sensor 400-700nm","description":"\u003cp\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe new SQ-520 full-spectrum, smart quantum sensor can be connected directly to a computer via USB for taking spot measurements or graphing and datalogging real-time PPFD using the included ApogeeConnect software.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe SQ-520 is used to measure incoming and reflected PPFD around plants and other organisms in outdoor environments, greenhouses, growth chambers, and underwater.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRefined Spectral Response\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe improved spectral response of the SQ-520 increases the accuracy of LED measurements making it ideal for use with both natural and electric light sources.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNo Datalogger Required\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe sensor can be connected to a desktop, laptop, or tablet computer via USB 2.0 type A plug to be used with the ApogeeConnect software (Windows compatible, XP and later; Mac compatible, 10.10 and later). The included software gives the user control of data logging and calibration settings, provides a real time output display and graph of PPFD measurements and allows the data set to be saved as a csv file.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eResolution 0.1 µmol m-2 s-1\u003c\/p\u003e\n\u003cp\u003eCalibration Factor Custom for each sensor and stored in the firmware\u003c\/p\u003e\n\u003cp\u003eCalibration Uncertainty ± 5 %\u003c\/p\u003e\n\u003cp\u003eMeasurement Repeatability Less than 1 % up to 4000 µmol m-2 s-1\u003c\/p\u003e\n\u003cp\u003eLong-term Drift Less than 2 % per year\u003c\/p\u003e\n\u003cp\u003eNon-linearity Less than 1 % (up to 4000 µmol m-2s-1)\u003c\/p\u003e\n\u003cp\u003eResponse Time Software updates every second\u003c\/p\u003e\n\u003cp\u003eField of View 180 °\u003c\/p\u003e\n\u003cp\u003eSpectral Range 389 to 692 nm ± 5 nm (wavelengths where response is greater than 50 % of maximum)\u003c\/p\u003e\n\u003cp\u003eSpectral Selectivity Less than 10 % from 412 to 682 nm ± 5 nm\u003c\/p\u003e\n\u003cp\u003eDirectional (Cosine) Response ± 2 at 45 ° zenith angle, ± 5 at 75 ° zeith angle\u003c\/p\u003e\n\u003cp\u003eAzimuth Error Less than 0.5 %\u003c\/p\u003e\n\u003cp\u003eTilt Error Less than 0.5 %\u003c\/p\u003e\n\u003cp\u003eTemperature Response -0.11 ± 0.03 % C-1\u003c\/p\u003e\n\u003cp\u003eUncertainty in Daily Total Less than 5 %\u003c\/p\u003e\n\u003cp\u003eDetector Blue-enhanced silicon photodiode\u003c\/p\u003e\n\u003cp\u003eHousing Anodized aluminum body with acrylic diffuser\u003c\/p\u003e\n\u003cp\u003eIP Rating IP68\u003c\/p\u003e\n\u003cp\u003eOperating Environment -40 to 70 C; 0 to 100 % relative humidity; can be submerged in water up to depths of 30 m\u003c\/p\u003e\n\u003cp\u003eDimensions 24 mm diameter, 37 mm height\u003c\/p\u003e\n\u003cp\u003eUSB Cable 4.6 m (15 ft)\u003c\/p\u003e\n\u003cp\u003eMass Sensor head weighs 90 g\u003c\/p\u003e\n\u003cp\u003eCurrent Draw 11 mA\u003c\/p\u003e\n\u003cp\u003eWarranty 4 years against defect in materials and workmanship\u003c\/p\u003e","brand":"Little Shop of Coral","offers":[{"title":"Default Title","offer_id":67920536568081,"sku":"SQ-520","price":739.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5196\/6737\/files\/SQ-520.jpg?v=1793314469","url":"https:\/\/littleshopofcoral.ca\/products\/apogee-usb-full-spectrum-quantum-sensor-400-700nm","provider":"Little Shop of Coral","version":"1.0","type":"link"}