Automatic Polarimeter LPMR-T2046

Introduction

Automatic Polarimeter offers a minimum reading of 0.0001°, allowing the device to detect and display extremely small variations in rotation. It has multiple measurement modes for quick switching between analysis types. The polarimeter features an extended operational time and lower maintenance. Our automatic polarimeter provides a dynamic graph display, providing real-time visualization of changes throughout the measurement process.

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  automatically measures the angle of rotation of polarized light. It plays a key role in pharmaceutical, food, beverage, research and chemical manufacturing for purity analysis and concentration determination.

Specifications

Measurement Mode	Optical rotation, specific rotation, concentration, sugar content
Light Source
Working Wavelength	589.3nm / 546mm
Measuring Fan Tin	+90°
Measurement Accuracy	±0.002°
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	64G
Power Supply	220V ± 22V, 50Hz ± 1Hz
Power Consumption	250 W
Net Weight	28 kg

Features

Peltier-based temperature control

Minimum Reading Resolution

User Calibration Mode

Specific Rotation Calculation

Multiple Measurement Modes

FAQs

1. What are the common calibration methods and how often should they be performed in automatic polarimeter ?

It supplies premium automatic polarimeter . Calibration of polarimeters can be accomplished using -traceable quartz plates or standard sugar solutions (sucrose/fructose) prepared at known concentrations. Quartz plates are preferred for their long-term stability, while sugar solutions offer practical verification of linear response over a range of values (turn0search2, turn0search12). Instruments are often calibrated quarterly or after key events such as lamp replacement or relocation. Calibration routines include zeroing with blank solvent, measuring standards, and comparing results against specifications. Complete records—time, operator, instrument settings, and measured values—should be logged for traceability and audit compliance, especially in regulated environments.

2. 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.

3. Are automatic polarimeters suitable for solid or turbid samples?

It supplies automatic polarimeter .While polarimeters are typically used for clear liquid samples, some models offer solid sample holders or flow-cell adapters that enable analysis of suspensions or semi-solids. For turbid solutions, the device may require sample pre-treatment such as filtration or centrifugation to remove particulates that could skew readings. This allows versatile applications beyond simple liquid assays, though sample clarity remains essential for accurate measurements.

4. What methods do modern automatic polarimeters use to minimize temperature-related errors?

It supplies automatic polarimeter .Modern models employ Peltier elements to maintain sample temperature within tight tolerances, often between 10–60?°C, minimizing drift caused by thermal variation. Temperature accuracy with resolution. This active control compensates for ambient fluctuations in non-air-conditioned environments. Some systems also support pre-heating or cooling before measurement, improving result stability and reducing waiting time.

5. What are the main sources of error in polarimetric measurements and how are they compensated in ?

It supplies premium automatic polarimeter . Key sources of error include temperature fluctuations, wavelength deviations, cell path length inaccuracies, sample clarity issues, and concentration variability. Temperature control via Peltier systems addresses thermal drift, while built-in wavelength filters ensure monochromatic light. Users input actual cell length to correct calculations, and filtered or clear samples prevent scattering errors. Regular sample and cell cleaning removes air bubbles or debris, and frequent calibration maintains overall accuracy.