© PCE Instruments
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Scope of delivery
Refractometer, pipette, adjusting screwdriver, care cloth, instructions, case
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Evaluation
Evaluation of the alcohol content in must by refractometry
With the refractometer, you can indirectly determine the potential alcohol content by determining
the sugar content of the must.
The higher the sugar content of a must, the higher its density. This means that the light beam
has a slower velocity and endures a deviation. This deviation depends on the sugar
concentration and other soluble substances, so that the higher the concentration, the greater
the deviation of the incident light beam and vice versa. The refractometer allows to check the
relationship between the refractive index and the sugar concentration in different units of
measure by the correct use of graduated scales. The main unit of measurement displayed on
the refractometer is Brix (º Brix) or per cent in sucrose. You have to take into account that the
temperature has an influence on the sample. Therefore, you have to use a temperature
correction to be able to measure under regular temperature, the European standard is 20 ºC.
Our refractometers do not need a temperature correction because they include an automatic
temperature compensation and all values are measured below 20 ºC.
Models
PCE-0100
PCE-ALK
PCE-SG
Meas.
range
0 ... 100 % salt
content
0 ... 80 % vol.
0 °C ... 50 °C coolant / antifreeze
0 °C ... -40 °C cleaning agent
1.15 - 1.30 SG battery acid content
Accuracy
0.001
1 %
± 5 °C antifreeze
± 5 °C detergent
± 0.01 SG battery acid content
Resolutio
n
0.001 %
1 % ( 0 ... 60 % vol.)
2% ( 60 ... 80 vol.)
5 °C antifreeze
5 °C detergent
0.01 SG battery acid content
Applicatio
ns
Salinity
Alcoholic beverages
Lubricants, coolants, antifreeze,
cleaning agents, battery acid content
Temperat
ure
comp..
10 ... 30 °C
10 ... 30 °C
10 ... 30 °C
Display
Dimensio
ns
200 x
∅29mm
203 x
∅29mm
157 x
∅29mm
Weight
300g
280g
230g
