| Parameters & 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
Colour abs 520: 0 - 3.0
Colour abs 620: 0 - 0.6
|
| |
|
|
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 |
