Lasany LI-P712 Touchscreen High-Speed Automatic Polarimeter with CFR Software
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When measurement certainty is non-negotiable, choose the Lasany LI-P712 — the most precise automatic polarimeter in its class. Featuring an extraordinary 0.0001° resolution, ±0.003° accuracy, and an ultra-low 0.01% minimum transmittance for measuring the darkest, most complex samples with confidence. Android OS, a 10.1-inch color touchscreen, Peltier temperature control (10–50°C, ±0.1°C), 1,000 pre-stored methods, 128G storage, and 500-user access control make it a complete compliance-ready workstation. Optional 21 CFR Part 11 audit trail. ISO 9001:2015 certified and WHO-GMP qualified.
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Description
There are laboratories that measure, and then there are laboratories that measure with absolute certainty. The Lasany LI-P712 Touchscreen High-Speed Automatic Polarimeter with CFR Software is built exclusively for the latter. As the most precise instrument in Lasany International’s entire polarimeter lineup, the LI-P712 achieves a resolution of 0.0001° and accuracy of ±0.003°—specifications that place it in a class reserved for reference laboratories, elite pharmaceutical QC facilities, and cutting-edge chiral research programs where measurement uncertainty is simply not an option. Manufactured by Lasany International—an ISO 9001:2015 certified and WHO-GMP compliant company—the LI-P712 combines this extraordinary precision with Android intelligence, Peltier temperature control, 21 CFR Part 11 CFR software, and a 10.1-inch color touchscreen to deliver the most complete, compliance-ready, ultra-precision polarimetric workstation available today.
Key Features
- 0.0001° Resolution—The Finest in Its Class—Four times finer than conventional 0.001° polarimeters, the LI-P712’s resolution captures optical rotation differences invisible to standard instruments—critical for pharmacopoeial reference standards, enantiomeric purity determination, and advanced chiral chemistry research.
- ±0.003° Accuracy—The Tightest in the Lasany Range—Engineered with the highest-quality optical prisms and state-of-the-art control electronics, the LI-P712 delivers measurement certainty that satisfies the most stringent pharmacopoeial monograph requirements worldwide.
- 0.01% Minimum Transmittance — Measure What Others Cannot — An extraordinary light sensitivity specification ten times lower than standard polarimeters enables accurate optical rotation measurement of the most challenging dark, concentrated, and heavily pigmented sample matrices—without dilution, without compromise.
- Peltier Temperature Control (10–50°C, ±0.1°C)—Wide-range, fast-responding Peltier thermal regulation with the tightest temperature accuracy available ensures every measurement is conducted under precisely controlled, thermally reproducible conditions—essential for temperature-sensitive pharmaceutical and natural product samples.
- Android OS with 10.1-Inch Color Touchscreen—A powerful Android-based operating system delivers a smart, intuitive interface on a large high-resolution display, transforming complex analytical workflows into straightforward, operator-friendly procedures that minimize training time and reduce human error.
- 1,000 Pre-Stored Methods & 128G Data Storage—An industry-leading onboard method library combined with massive storage capacity supports the most extensive analytical programs and long-term data archiving requirements without external storage dependency.
- 4-Grade Access Control with 500 User Accounts — Enterprise-grade personnel management with four hierarchical access levels and up to 500 individual user accounts guarantees data security, regulatory accountability, and controlled instrument access across the largest multi-user laboratory teams.
- CFR Software with Optional Audit Trail — Purpose-built for 21 CFR Part 11 pharmaceutical data integrity compliance, with optional full audit trail functionality, delivers complete electronic record traceability for regulatory submissions, batch release documentation, and inspection readiness.
- Full Enterprise Connectivity — RS232, USB, U-disk, keyboard, mouse, Wi-Fi, and Ethernet interfaces provide seamless integration with LIMS platforms, laboratory networks, and paperless data management systems—making the LI-P712 a fully networked analytical workstation.
- 100,000-Hour LED Light Source at 589 nm — Industry-leading LED longevity guarantees stable, consistent illumination throughout the instrument’s operational lifetime, with minimal maintenance requirements and negligible downtime.
Technical Specifications
| Parameter | Specification |
|---|---|
| Measuring Modes | Optical Rotation, Specific Rotation, Concentration, ISS, User Defined |
| Light Source | LED + Precision Interference Filters |
| Wavelength | 589 nm (Sodium D Line) |
| Measuring Range | ±90° (OR) / ±259°Z (ISS) |
| Resolution | 0.0001° |
| Accuracy | ±0.003° |
| Repeatability | ≤0.002° |
| Min. Transmittance | 0.01% |
| Response Speed | 8°/S |
| Measuring Time | 6 times / 26 seconds |
| Temperature Control | Peltier: 10–50°C |
| Temperature Accuracy | ±0.1°C |
| Operating System | Android |
| Display | 10.1-inch Color Touch LCD |
| Calibration | Multi-point Automatic |
| Data Storage | 128G |
| GMP Regulations | Qualified |
| Audit Trail | Optional |
| Interfaces | RS232, USB, U-disk, Keyboard, Mouse, Wi-Fi, Ethernet |
| Standard Test Tubes | 200 mm, 100 mm (regular), 100 mm (temp control) |
| Optional Test Tubes | 50 mm (regular), 200 mm (temp control) |
| Power Supply | 220V ±22V, 50Hz ±1Hz, 200W |
| Package Dimensions | 860 mm × 510 mm × 470 mm |
| Gross Weight | 35 kg |
Applications
The LI-P712 is the definitive choice for the most precision-critical, compliance-driven, and analytically demanding laboratory environments:
- Pharmaceutical Reference & Compendial Testing—The gold standard instrument for pharmacopoeial optical rotation reference measurements, method validation, and inter-laboratory comparison studies demanding the absolute highest accuracy and reproducibility.
- Elite Pharmaceutical QC & Batch Release — Ultra-precise chiral purity verification and API optical rotation characterization under full 21 CFR Part 11 compliance for pharmaceutical manufacturing batch release and regulatory authority submissions.
- Advanced Chiral Chemistry & Drug Discovery — Detection and characterization of the most subtle optical rotation differences between enantiomers, diastereomers, and complex chiral intermediates in cutting-edge drug development programs.
- Dark & Highly Concentrated Sample Analysis — The 0.01% minimum transmittance opens reliable optical rotation measurement to the most challenging pharmaceutical extracts, crude natural products, and heavily pigmented industrial matrices—sample types no other standard polarimeter can handle.
- Instrument Qualification & Calibration Laboratories — Where 0.0001° resolution and ±0.003° accuracy are prerequisites for establishing national measurement standards, instrument qualification protocols, and certified reference material verification.
- Contract Research Organizations (CROs) — High-throughput, multi-user, fully networked environments demanding the highest instrument accuracy, strict access hierarchy, complete audit trails, and seamless LIMS integration for client-facing regulated analytical services.
- Food, Sugar & Premium Ingredient QC — Temperature-controlled concentration and International Sugar Scale measurements with uncompromised precision for premium quality assurance programs in food manufacturing and specialty ingredient production.
- Academic & Government Research Institutions—Supporting the most advanced polarimetry research in stereochemistry, asymmetric synthesis, natural products chemistry, and pharmaceutical sciences where standard instrument resolution is insufficient.
Why Choose the Lasany LI-P712?
Some measurements matter more than others. When a single optical rotation value determines a drug’s approval, a batch’s release, or a research paper’s conclusion—the instrument making that measurement must be beyond question. The Lasany LI-P712 is that instrument.
Its 0.0001° resolution does not merely improve upon standard polarimeters—it transforms what optical rotation measurement can reveal. Optical rotation differences that are entirely invisible to 0.001° instruments become clearly measurable with the LI-P712, opening new possibilities for chiral purity assessment, reference standard characterization, and advanced pharmaceutical research that were previously beyond reach.
The 0.01% minimum transmittance represents a ten-fold improvement over conventional instruments, eliminating the need for extensive sample dilution and correction when working with dark pharmaceutical matrices, crude botanical extracts, or concentrated industrial solutions. This directly reduces sample preparation time, minimizes dilution errors, and improves overall analytical throughput in demanding laboratory environments.
Combined with Android-powered enterprise management, 128G onboard storage, 500-user hierarchical access control, 1,000 pre-stored methods, and Wi-Fi/Ethernet LIMS connectivity, the LI-P712 functions as a fully self-contained, compliance-ready analytical workstation requiring no external software investment. Its GMP qualification, optional 21 CFR Part 11 audit trail, and ISO 9001:2015 manufacturing quality ensure it arrives deployment-ready for the most stringently regulated pharmaceutical and research environments.
When the stakes are highest and measurement certainty is non-negotiable, the Lasany LI-P712 is the only answer.










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