One each 100- and 200-mm tubes and a 7-ft (2.1 m) power cord with three-prong plug.
This polarimeter features a switch-selectable digital readout that displays either the angle of rotation (AOR) or the International Sugar Scale (ISS). Polarimeter offers push-button rotation switches to adjust the left and right visual fields to an equal brightness—no more imprecise manual adjustments. To calibrate, simply zero the polarimeter using distilled water, and within moments a zero indicator light confirms successful calibration.
Depending on your accuracy needs, choose the fast mode or slow mode to adjust the visual field brightness. The fast mode allows you to quickly adjust the polarimeter for an approximate reading by continuously rotating the analyzer. The slow mode lets you accurately adjust the polarimeter by rotating the analyzer 0.05°> at a time. Once visual field brightness is equal, the digital display will give you the reading.
The polarized light source is an LED with a filter for 589 nm. For best results, use the 200-mm tube for transparent liquids and the 100-mm tube for cloudy, impurity-filled samples. The tubes contain a bubble trap that prevents errors caused by air in your samples.
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Q:Is this a digital polarimeter?
A:This is semi-automatic polarimeter with digital readout.
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