Automatic Polarimeter LPMR-T2045

Introduction

Automatic Polarimeter offers an optical rotation measuring fan tin of +90° for accurately capturing both small and large angular rotations. It includes digital optical rotation readings for enhanced sensitivity and reducing calculation errors. The system features electronic signature compliance for secure user authentication and time-stamped approvals. Our automatic polarimeter is equipped with advanced an 8-inch touchscreen display interface for navigating variable parameters.

This analytical equipment is designed to meet the rigorous requirements of modern laboratory operations, ensuring high precision, reliability, and ease of use for various experimental applications.

Applications

Automatic Polarimeter rapidly determines optical rotation and specific rotation. It is ideal across various industries including sugar production, petroleum, food, chemicals, and research industries for analyzing optical activities.

Specifications

Measurement Mode	Optical rotation, specific rotation, concentration, sugar content
Light Source
Working Wavelength	589.3nm / 546mm
Measuring Fan Tin	+90°
Measurement Accuracy	±0.003°
Minimum Reading	0.0001°
Repeatability	0.002° (optical rotation)
Test Function	Single, multiple, continuous test mode
Temperature Control Range	10℃ to 60℃
Temperature Display	0 to 100℃
Temperature Control Accuracy	± 0.1℃
Light Transmittance	0.05%
Display Mode	Touch Screen 10inches
User Management	Yes
Automatic Calibration	Yes / standard tube
Audit Trail	Yes
Electronic Signature	Yes
Output Mode	RS 232, , Ethernet
Real Time Printing of Data	Yes, compatible with needle type printer/ thermal sensitive printer
Data Storage	32G
Power Supply	220V ± 22V, 50Hz ± 1Hz
Power Consumption	250 W
Net Weight	28 kg

Features

Sugar Content Analysis

Minimum Reading Resolution

User Calibration Mode

High Data Storage 

Dynamic Graph Display 

FAQs

1. How are kinetic or time-dependent measurements handled in polarimetry in automatic polarimeter ?

automatic polarimeters incorporate continuous or kinetic measurement modes that record optical rotation at set time intervals and generate dynamic trend graphs showing rotation versus time. These graphs are displayed in real time and logged for post-run analysis, enabling the study of reaction kinetics such as sugar inversion or enzymatic activity. Users can overlay multiple reaction profiles, set thresholds, and export timestamped data, which enhances method development, reaction optimization, and process control without manual sampling or intervention.

2. How are automatic polarimeters calibrated for accuracy and traceability?

automatic polarimeters are typically calibrated using both Sucrose/fructose solutions and quartz control plates. standards guide the preparation of sugar solutions across a concentration range, but quartz plates—being stable, solid, and -traceable—are often preferred due to minimized evaporation and preparation errors Calibration routines include zeroing with a blank, measuring the quartz plate at multiple orientations, recording the average value, and verifying it against certified specifications. Calibration checks are usually performed quarterly or after maintenance, with full documentation required. This practice ensures that the instrument meets established performance criteria and produces reliable, traceable results.

3. What are common sources of error in polarimetric analysis and how can they be minimized in ?

Errors can arise from temperature changes, wavelength drift, sample path length inaccuracies, bubbles or turbidity, and incorrect sample concentration. To minimize these, polarimeters typically incorporate active Peltier temperature control and require users to input exact tube length into the software. Sample preparation steps like filtration, degassing, and careful filling reduce artifacts from air bubbles or particles. Periodic recalibration compensates for drift from aging filters or light sources, while controlled lab conditions (stable temperature, minimal vibration) prevent environmental interference.

4. How does temperature stabilization improve measurement reliability in ?

It supplies premium automatic polarimeter . Temperature fluctuations can significantly alter optical rotation values due to the temperature dependency of specific rotation. Automatic polarimeters with Peltier-based temperature control actively maintain the sample at a precise set point—typically reducing drift and enhancing measurement consistency. By stabilizing temperature quickly and quietly, they allow for repeated measurements over extended periods without variation, ensuring more reliable results—even in labs without strict climate control. This stabilization is crucial for pharmaceutical, research, and food analysis applications, where small temperature-dependent shifts can influence decision-making or quality control.

5. What steps should be taken to troubleshoot unstable or erratic readings in ?

It supplies premium automatic polarimeter . When readings fluctuate, common corrective steps include: first, cleaning the optical surfaces and sample tube to remove residues or fingerprints; second, checking for air bubbles or turbidity in the sample and degassing if necessary; third, verifying that the instrument’s light source and calibration are within specification, replacing or recalibrating as needed Ensure the sample cell length is correctly entered into the system to avoid calculation errors. Environmental factors like ambient temperature swings or vibrations can also affect stability—operating the instrument under consistent lab conditions helps mitigate this. If the issue persists, running a quartz plate check and contacting technical support is advisable.