Milwaukee Photometers
for Wine Processing

Model	Mi450	Mi451	MI452
Image
Type	Color & Total Phenol Photometer	Copper	Iron
Range	0 to 15.00	0.00 to 1.50 mg/L	0.0 to 15.0 mg/L
Accuracy	typical ±4% or typical ±5%	Typical ±5%	Typical ±5%
Sensor	silicon photocell	silicon photocell	silicon photocell
Light Source	tungsten lamp with narrow band interference filter @420 nm, 525 and 610 nm	tungsten lamp with narrow band interference filter @ 560 nm
Method	colorimetric	extraction method 2.2 bichinoline	the reaction of iron with the reagent causes the sample to turn purple

Model	MI453	Mi454	Mi490
Image
Type	Reducing Sugars	Tartaric Acid	Copper
Range	0.00 to 50.00 g/L	0.0 to 5.0 g/L	0.0 to 25.0 meq O2/Kg
Accuracy	Typical ±5%	typical ±5%	±0.5 meq O2/Kg
Sensor	silicon photocell	silicon photocell	n/a
Light Source	tungsten lamp with narrow band interference filter @ 610 nm	tungsten lamp with narrow band interference filter @ 525 nm	n/a
Method	fehling	the reaction of tartaric acid with the reagent causes the sample to turn orange/yellow	adaptation of the CE n. 2568/97 method