Manual polarimeter 404 LED

The Zuzi model 404 LED manual polarimeter is an optical analysis instrument designed for determining the rotation of the plane of polarized light in optically active substances. Its manual operation, combined with a high-durability LED illumination source, makes it a versatile, efficient, and low-maintenance solution for laboratories in the chemical, pharmaceutical, food, and educational sectors.

The equipment incorporates a double graduated scale system from 0° to 180° with 1° divisions, complemented by a vernier that allows for a reading precision of up to 0.05°. This system improves the accuracy of measurements by minimizing interpretation and eccentricity errors.

The illumination is based on LED technology with a 589 nm filter, providing a stable wavelength equivalent to that of traditional sodium lamps, but with a significantly longer lifespan and immediate stabilization, which reduces waiting times and maintenance.

The sample compartment, arranged in an inclined position, accommodates tubes up to 220 mm in length, offering flexibility for different types of analysis. The equipment is supplied with standard 100 mm and 200 mm tubes, covering common laboratory needs.

The optical system includes an eyepiece with diopter adjustment and 4X magnification, facilitating scale reading and improving user ergonomics. Zero calibration is performed using macrometric and micrometric controls, allowing for fine adjustments prior to each measurement.

This polarimeter allows the determination of parameters such as concentration, purity, and composition of optically active substances, being especially useful in the analysis of sugary solutions, essential oils, organic compounds, and industrial products.

Weighing 5 kg and with dimensions of 540 × 220 × 380 mm, the 404 LED model combines stability, precision, and energy efficiency, constituting a reliable tool for polarimetric analysis in environments where manual control with a high degree of accuracy is required.