P. L. Tandon & Co offers Polarimeter with Sodium Vapor Lamp Assembly. P. L. Tandon & Co. Is an ISO 9001 2000 certified company. Polarimeter with Sodium Vapor Lamp Assembly or POLARIMETER "TANCO" is suitable for routine testing of sugar solution and other optically active liquids. This Polarimeter is designed to accommodate 220 mm tubes, both angular and sugar scale. It has rotating half shadow of fact accuracy of 0.20 and 0.05 I.S.S. By estimation. Polarimeter with Sodium Vapor Lamp Assembly is complete with 100 mm Pol. Tubes Instruction Manual.