Automatic Polarimeter LPMR-T2043

Introduction

Automatic Polarimeter features a working wavelength of 589.3nm, ensuring standardized measurement of optical rotation. The built-in Peltier temperature control maintains stability for consistent results. It has an extended operational time and lower maintenance. Our automatic polarimeter offers high-capacity data storage, enabling efficient data management and easy integration with laboratory systems.

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
Measuring Fan Tin	+90°
Measurement Accuracy	±0.001°
Minimum Reading	0.001°
Repeatability	0.002° (optical rotation)
Test Function	Single, multiple, continuous test mode
Temperature Control Range	10℃ to 50℃
Temperature Display	0 to 100℃
Temperature Control Accuracy	± 0.1℃
Light Transmittance	0.1%
Display Mode	Touch Screen 7 inches
User Management	Yes
Automatic Calibration	Yes
Output Mode	RS 232
Real Time Printing of Data	Yes, compatible with needle type printer/ thermal sensitive printer
Data Storage	1000M
Power Supply	220V ± 22V, 50Hz ± 1Hz
Power Consumption	250 W
Net Weight	28 kg

Features

Fully Automatic Measurement

Digital Optical Rotation Readings

Specific Rotation Calculation

Multiple Measurement Modes

Minimum Reading Resolution

FAQs

1. How do automatic polarimeters calibrate for accuracy and traceability?

automatic polarimeter perform multi-point calibration using standards like quartz plates or sugar solutions. Calibration may be scheduled daily, weekly, or monthly based on usage and regulatory protocols. The device often includes dual calibration tubes and built-in routines to verify accuracy across the measurement range. Calibration records are typically stored digitally and can be exported for validation or audit purposes. This ensures that measurement results remain consistent and traceable to recognized standards.

2. 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.

3. In what ways do automatic polarimeters support kinetic and continuous measurements?

It automatic polarimeters offer continuous measurement or kinetic modes, which record optical rotation at defined time intervals and build dynamic trend graphs. Devices may display these trends in real-time on screen and allow export of timestamped data for post-run analysis. These tools are useful for monitoring reaction progress, such as sugar inversion or enzymatic activity, without manual intervention. The continuous mode enables overlay of multiple runs to compare reaction kinetics under different conditions.

4. Can automatic polarimeters measure enantiomeric excess?

Yes, automatic polarimeter can determine enantiomeric excess by comparing the observed optical rotation of a sample to the known rotation value for a pure enantiomer. They calculate ee% using built-in algorithms, providing insight into chiral purity directly from measurement data. This feature is valuable in pharmaceutical and chemical research where enantiomer ratios are critical for efficacy and safety. The automatic comparison reduces manual calculations and potential errors, streamlining enantioselective analysis.

5. 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.