We are offering sts-222a automatic polarimeter is the basic
scientific instrument used to measure angle of
rotation, specific optical rotation of optically active
substance.
automatic measurement:
sts-222a built-in auto-controlling system. Power on
the polarimeter, the system will search for zero point
automatically. You need only put the sample tube in
measuring field chamber, the polarimeter will display
the angle of rotation.
auto-judge substance form levorotatory or
dextrorotatory:
the polarimeter can auto-judge compoundor form
levorotatory or dextrorotatory. If there is negative
measures value, that means is levorotatory
substance, if appearing positive measures value, it
means is dextrorotatory substance.
what's included: 100200mm tube, sodium lamp.
reproducibility: in experiment, you
need test a sample solution three
times or more to ensure the accuracy of
the measured value, you can press [ + ]
or [ - ] key and the polarimeter
will test again. The polarimeter not only
can test the angle of rotation of substance
and but can calculate its purity,
concentration and percentage.
technical specification:
measuring range : -45°~+45°
accuracy : ±0.02°
reproducibility : ±0.01° resolution: 0.005°
light source : sodium lamp
optical wavelengths : 589.44nm
stable time : 5 minutes tube length : up to 200mm
power requirements : 220vac50hz
weight : 25kg

We are offering sts-222a automatic polarimeter is the basic
scientific instrument used to measure angle of
rotation, specific optical rotation of optically active
substance.
automatic measurement:
sts-222a built-in auto-controlling system. Power on
the polarimeter, the system will search for zero point
automatically. You need only put the sample tube in
measuring field chamber, the polarimeter will display
the angle of rotation.
auto-judge substance form levorotatory or
dextrorotatory:
the polarimeter can auto-judge compoundor form
levorotatory or dextrorotatory. If there is negative
measures value, that means is levorotatory
substance, if appearing positive measures value, it
means is dextrorotatory substance.
what's included: 100200mm tube, sodium lamp.
reproducibility: in experiment, you
need test a sample solution three
times or more to ensure the accuracy of
the measured value, you can press [ + ]
or [ - ] key and the polarimeter
will test again. The polarimeter not only
can test the angle of rotation of substance
and but can calculate its purity,
concentration and percentage.
technical specification:
measuring range : -45°~+45°
accuracy : ±0.02°
reproducibility : ±0.01° resolution: 0.005°
light source : sodium lamp
optical wavelengths : 589.44nm
stable time : 5 minutes tube length : up to 200mm
power requirements : 220vac50hz
weight : 25kg