QKit™ 8 is a ready-made reference kit that makes it quick and simple to perform validation and performance adjustment on your OenoFoss™ analyser. With QKit™ 8 you have all the sample material you will ever need to manage instruments effectively and feel at ease with the results.
Download brochureParameters & calibration range | |||||
Must |
Brix: 12 - 27 °brix pH: 2.6 - 4.0 Volatile acid: 0 - 0.6 g/l TA to pH 7.0: 2 - 12 g/l Alpha amino nitrogen: 17 - 345 mg/l |
Ammonia: 0 - 175 mg/l Density: 1.04 - 1.15 g/ml Gluconic acid: 0.03 - 4.63 g/l Malic acid: 0.1 - 7.26 g/l Tartaric acid: 0 - 11.7 g/l |
|||
Must under fermentation |
Glu+fru: 0 - 240 g/l pH: 2.6 - 4.0 TA to pH 7.0: 2.0 - 6.5 g/l Malic acid: 0 - 7 g/l Volatile acid: 0 - 0.6 g/l Ethanol: 0 - 13 Vol % |
||||
Finished wine |
Glu+fru: 0 - 20 g/l pH: 2.6 - 4.0 TA to pH 7.0: 2 - 5 g/l Malic acid: 0 - 6 g/l Volatile acid: 0 - 1.0 g/l Ethanol: 8 - 16 Vol % Density: 0.99 - 1.01 g/ml |
Lactic acid: 0 - 4.63 g/l Glucose: 0.02 - 10.65 g/l Fructose: 0.15 - 10.20 g/l |
|||
Sweet wine |
Ethanol: 7-19 Vol % Glucose + fructose: 0 - 180 g/l Malic acid: 0 - 5.2 g/l Total acidity: 0.2 - 6.0 g/l Volatile acidity: 0 - 1.2 g/l pH: 2.9 - 4.0 |
||||
Colour |
Colour abs 420: 0 - 1.2 |
||||
Accuracy |
See application notes for performance details | ||||
Repeatability | See application notes for performance details | ||||
Analysis time |
FTIR wine unit; 2 minutes |
||||
Sample ambient temperature | 10°C - 35°C | ||||
Sample volume | 600 µl of must, must under fermentation or finished wine with a manual pipette. Close the lid and start analysis within 6 seconds to ensure reliable results |
||||
Instrument warm up time |
1 hour | ||||
Cleaning |
With a regular tissue and commonly used detergent cleaning liquids |
||||
Sample preparation |
Clarify sample using a centrifuge or filtration. Particle size <10 µm. In case of excess CO2, degassing is necessary (e.g. use vacuum pump, ultrasonic treatment or shake sample) |
||||
Calibration routines |
Slope & intercept adjustment | ||||
SW package |
Foss integrator with PLS calibrations | ||||
FTIR calibrator | Build your own calibrations with the FTIR Calibrator software | ||||
Cuvette FTIR wine unit |
Cuvette with variable light pathways | ||||
Cuvette VIS colour unit |
2 mm (700 µl) | ||||
Installation requirements | |||||
Power Supply | 100 - 240 VAC ± 10%, 50 - 60 Hz | ||||
Power consumption | 66 VA [max of Power supply] | ||||
Ambient temperature |
10°C - 35°C | ||||
Ambient humidity | < 93% RH | ||||
Weight | Wine unit: 6,3 kg. Colour unit: 3,8 kg | ||||
Dimensions (H×W×D) | 189 × 154 × 321 mm (excl PC), same size for each module |
||||
Environment | Place the instrument on a stable surface away from excessive and continuous vibration. Do not place the instrument in direct sunlight or close to an open window |
||||
Degree of ingress protection | IP40 |
||||
Noise level | < 70 dB (measured value typically lower than 45 dB) | ||||
Altitude | < 2000 m |