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Digital Polarimeter | AUTOPOL® V

 

for Demanding Laboratories

The AUTOPOL® V Digital Polarimeter is designed for today’s FDA regulated analytical laboratories. Whether you are a Pharmaceutical, Nutraceutical or University Lab, the AUTOPOL® V has the standard measurement and compliance features you must have, including:

  • TempTrol™ – Electronic cooling & heating from 15°-35°C
  • Six Standard Wavelengths: 365nm, 405nm, 436nm, 546nm, 589nm and 633nm
  • 21CFR11 Compliance:  Electronic Signature and secure local electronic data storage
  • Domestic 3-year warranty and 20-year support guarantee
  • International warranty varies by country
  • Standard Accessories: TempTrol™ NIST Traceable Quartz Standard (single rotation), TempTrol™ 100mm Polarimeter Cell, TempTrol™ Temperature Validation Cell, Built-In Sample Measurement Probe.

 

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Autopol V

Key Features

  • Measures Optical Rotation, Specific Rotation, Concentration, and User Defined Scales.
  • Temptrol™ Electronic Heating and Cooling.
  • 1, 2 and 6 wavelength models.
  • Temperature Correction.
  • Real-time clock.
  • Print-out format control.
  • Designed for use in Pharmaceutical, University, Essential Oil as well as related industries.

Specifications

Measuring ModeOptical Rotation Specific Rotation Specific Rotation Plus Concentration User Defined Scale Sugar Degrees °Z(ISS)
Measuring ScaleDegrees Arc, % Concentration
Measuring Range± 89.9° Arc Optical Rotation ± 999.99° Arc Specific Rotation 0-99.9% Concentration
Resolution0.001° Arc Optical Rotation 0.001% Concentration 0.001 Specific Rotation
Reproducibility0.002° Arc
Standard Model Accuracy0.002° up to 1°, 0.2% up to 5°, 0.01° above 5°
AP Model SpecsAccuracy (546nm and 589nm): ±0.002° Arc over ±89.9° Arc Accuracy for other wavelengths is the same as the standard model Selectable Resolution 0.01°, 0.001°, 0.0001° Arc Optical Rotation
PrismGlan Thomson calcite quartz
Optical Wavelengths365nm, 405nm, 436nm, 546nm, 589nm, 633nm (other wavelengths available)
Wavelength SelectionTouchscreen Selectable: 6 standard
TempTrol™ RangeAutomatic Electronic Heating & Cooling 15°-35°C (Standard) ±0.2° C (Standard)
TempTrol™ Accuracy±0.2°C
Temp. Probe Range10°-100°C
Temp. Probe Accuracy±0.1°C
Acid ResistanceHastelloy™ measurement cell and Silco Steel™ sample chamber (optional)
Measurement Time4°/sec slewing rate & 5 sec nominal settling time
Light SourceTungsten-halogen 6V, 20W, avg. 2,000 hr life
Sample ChamberAccepts sample tubes up to 200mm
Data Storage32 GB Non-removable Compact Flast
Communication Interface3 – USB Ports 2 – RS232 Ports Ethernet Port for Network Connection
CalibrationAutomatic calibration by push-button
Operating SystemWindows® Embedded
Display8 inch color LCD with LED backlight providing 800 x 600 resolution with 400 nits of luminance
User InterfaceTouchscreen
Automatic Sensitivity ControlMeasures samples with transmittance as low as 0.01 % (up to O.D. 4.0)
Input Power100-240 VAC, 50/60 Hz
Operating Dimensions30″W x 17″H x 10.5″D, 762mm W x 432mm H x 267mm D
Shipping Dimensions30″W x 11.5″H x 17″D, 762mm W x 431.8mm H x 279.4mm D
Operating Weight85 lbs (39 kg)
Shipping Weight120 lbs. (54kg)

Overview

Why are high-quality
polarizing prisms important?

Rudolph manufactures its entry-level automatic polarimeter with the same high-quality optics as its more expensive instruments.

While other manufacturers in this price range use Polaroid Plastic Dichroic Sheet Polarizers, Rudolph does not. Instead, Rudolph uses the same high-quality Glan Thompson Calcite Polarizers used in its high-accuracy models.

Because prisms are two of the most critical optical components in the polarimeter. Polaroid prisms are made of a polymeric plastic where the molecules are stretched and oriented in a specific direction so as to linearly polarize light. These types of plastic sheet polarizers are very inexpensive ($50.00 USD) and are vulnerable to heat, warp over time, deteriorate from moisture, and also have greater light absorption than Calcite Polarizers.

In many cases, the plastic polarizers must be replaced in 3- 5 years. Glan Thompson Calcite Polarizers are comprised of a carbon crystalline structure similar to diamond and have excellent light transmission characteristics. The quality of these prisms is so good, Rudolph guarantees its prisms over the life of the sugar polarimeter.

The AUTOPOL® IV and V by Rudolph
Simply the Best

Full Compliance
21CFR Part 11

The Autopol® V 21CFR Part 11 software module is easily enabled through the user-friendly touch screen. This module gives you full compliance with:

  • Electronic signature
  • Access levels
  • Internal write-protected storage
  • Unique passwords
  • Write protected documents sent directly to server
  • Audit trail

Multiple
Wavelengths

The AUTOPOL® V Automatic Digital Polarimeter comes standard with six wavelengths: 365nm, 405nm, 436nm, 546nm, 589nm, 633nm. Wavelength selection is completely automatic and is accomplished by the push of a button. There are no lamps or filters to manually remove or insert.

The tungsten-halogen lamp employed in the AUTOPOL® V Polarimeter is a compact, reliable, low-cost, high-intensity light source that allows any desired wavelength in the visible spectrum to be selected by means of a narrow band multilayer interference filter. The AUTOPOL® standard 10nm bandwidth is specified to permit high energy throughput and sensitivity for sample transmittances of only 0.01 % (O. D. = 4), while minimizing the effects of sample ORD and color.

Temperature
Display and Correction

The AUTOPOL® IV Automatic Essential Oils Polarimeter comes standard with a temperature probe which can be inserted into the Polarimeter cell as shown to the left. The temperature of either the sample compartment or the solution itself can be continuously displayed.

Print Format
Format

Numerous parameters, such as sample name, tube length, concentration, wavelength, time and date, temperature correction and statistics can be printed after each polarimeter measurement or after a group of measurements. This is accomplished by designating the required parameters, via menu entry, during the print format setup mode. A sample printout is shown below.

Print your customized Certificate of Analysis including your company logo directly from the Autopol IV touch screen

Capable of making multiple measurements on a single sample and reporting complete statistical data and all measurement results

The Rudolph
FillStationTM

Many users prefer to load cells with samples outside of the Polarimeter. When this fits with your workflow, Rudolph has engineered a tool to assist you, the Rudolph Polarimeter FillStationTM. Designed to sit on your laboratory bench or under your fume hood and assist you in loading your Rudolph Polarimeter cell easily and reliably, the FillStationTM holds the cell at the right angle, so you always fill the cell from bottom to top. Using a syringe, you inject the sample until it begins to appear at the top port. Once filled, the monitoring light will become bright, and you know you have a full cell free of air bubbles that is ready for measurement. Cap, the Top Cell Port, remove the syringe, cap the Lower Port and go!

  • The cell is held at the right angle and filled from the bottom just the way Rudolph cells were designed to be filled. Perfect every time.
  • Filling from the bottom to top moves any air with the potential to cause a bubble up and out of the cell.
  • Once you see the monitoring light go to bright there is no question that the cell is properly filled.
  • Verification of air free sample loading for even inexperienced operators.
  • Helps eliminate contact with acids, bases, or any sample the user does not want to come in contact with.
  • Less experienced operators can learn to reliably fill cells with minimal training.

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