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Optical Measurement Device Polarimeter 341 - Perfect Condition

The PerkinElmer Polarimeter 341 is a precision instrument designed to measure the optical activity of substances. Ideal for research and quality control applications, it uses Hg and Na spectral lamps and a UV-transmitting Glan/Taylor polariser. This versatile device is ready for polarimetric HPLC detection and offers high accuracy thanks to its optical null principle. Easy to use, it enables fast and reliable measurements, meeting the strict requirements of FDA-regulated industries. The Polarimeter 341 is an optimal choice for compound characterisation, drug quality control and sugar analysis.



Description

PerkinElmer Polarimeter 341: Precision and Versatility for Optical Analysis

The PerkinElmer Polarimeter 341 is a high-precision instrument widely used for the analysis of optically active substances. Designed to deliver exceptional performance, this polarimeter is equipped with sodium (Na) and mercury (Hg) spectral lamps, as well as a UV-transmitting Glan/Taylor polariser. These features enable accurate measurement of optical rotation, which is essential for various research and quality control applications.

The Polarimeter 341 is particularly valued for its versatility and ease of use. It can operate as a stand-alone system or integrated into an HPLC system for polarimetric detection, making it suitable for a wide range of applications. These include the characterisation of newly synthesised compounds, quality control of pharmaceutical drugs, precise quantitative analysis of sugars, and monitoring of enzymatic reactions.

The instrument uses the optical principle of nullity, combined with state-of-the-art microprocessor-based electronics, to ensure unrivalled measurement precision and accuracy. This technology allows users to obtain reliable results quickly and easily. For routine measurements, simply select the wavelength, insert the sample and read the result.

The Polarimeter 341 is also designed to meet the strict requirements of FDA-regulated industries. It offers method and result management via a database, as well as customised reports, facilitating compliance with quality standards. In addition, its intuitive user interface and integrated touch keys allow for simple and efficient interaction.

The PerkinElmer Polarimeter 341 is an essential precision instrument for any laboratory requiring reliable and accurate optical measurements. Its versatility, ease of use and compliance with regulatory standards make it an ideal choice for a wide range of analytical applications.

Features

  • Glan/Taylor polariser transmitting UV for increased accuracy
  • Hg and Na spectral lamps for pure light and accurate measurements
  • Multiple interface ports for extended connectivity
  • Simple and intuitive user interaction
  • POL WinLab™ software for easy data and method management
  • Improved sensitivity at low wavelengths
  • Highly accurate readings for reliable results
  • Flexible use as a stand-alone system with printer, PC system or HPLC detector
  • Easy and quick to learn
  • Results and method management via database, customised reports
  • Compliant with FDA requirements for regulated industries

Technical Details

  • Wavelengths: Na 589 nm, Hg 578 nm, Hg 546 nm, Hg 436 nm, Hg 365 nm
  • Principle: Automatic precision polarimeter with optical null principle based on analyser rotation
  • Radiation: High-pressure Hg lamp and Na spectral lamp
  • Spectral lines: Selectable from the instrument keyboard
  • Openings: Selectable for standard cells and microcells
  • Detector: 1P28A photomultiplier
  • Polariser and analyser: UV/Vis-transmitting Glan-Taylor prisms in calcite
  • Rotation range: ± 85°
  • Balancing speed: 1.3°/s at 50 Hz
  • Accuracy: ± 0.002° for rotations ≤ 1°; ± 0.2% for rotations > 1°
  • Reproducibility: Better than 0.002° (for zero and rotational readings)
  • Internal angular resolution: 1 x 10^-4°
  • Integration time: 0.1s, 0.2s, 0.5s, 1s, 2s, 5s, 10s, 20s, 50s and 100s
  • Autozero adjustment: Electronic from the instrument keypad at any position within the rotation range
  • User interaction: Menus controlled via integrated touch keys (English, German, French, Spanish and Italian) or controlled by PC via POL WinLab or POL WinLab ES software
  • Display: Standalone operation: vacuum fluorescent display, two lines with 20 characters each. PC operation
  • Result format: Selectable from the instrument keyboard – angular rotation, specific rotation, molar rotation, international sugar scale, user-defined scale with factor and offset
  • Printer output: Standard parallel printer port (Centronics port) supporting HP-PCL, Epson esc-p and generic ASCII formats
  • Communications: RS-232C serial interface, selectable communication parameters
  • Data input: Input port for Intermec 9720 barcode reader and/or standard PC/AT keyboard
  • Analogue output: Digital-to-analogue conversion of angular rotation for connection to integrators or graphic recorders; recording ranges ± 50°, ± 5°, ± 0.5°, ± 0.05°; resolution 0.1% of range width; cyclic repeatability in all ranges; output voltage 0 to 10 mV, 100 mV, and 1 V
  • External ready: Relay contact closure (normally open), floating signal; maximum load 110 V, 0.3 A AC or 30 V, 1 A DC; activated by print signal, delay and duration selectable
  • External autozero: External activation of the autozero function; TTL signal, active low; or contact closure; minimum duration 100 ms
  • Temperature sensor: PT-100 temperature sensor for sample cells (optional accessory); temperature range -23°C to +198°C
  • Power supply: 220-240 V, 50 Hz
  • Dimensions (WxHxD): 825 x 310 x 390 mm

Compatible Accessories

  • PT-100 temperature sensor for sample cells
  • Compatible printer for outputting results
  • Standard PC/AT keyboard for easy data entry
  • Intermec 9720 barcode reader for quick sample identification
  • POL WinLab™ software for data and method management
  • Communication and interface cables for extended connectivity
  • Additional sample cells for different sample sizes and types
  • Additional filters for specific wavelengths
  • Maintenance and calibration kit for regular instrument maintenance

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