AA-65 Series Automatic Polarimeters

The new AA-65 is a versatile polarimeter suitable for measuring the optical rotations of many different types of samples from sugars to pharmaceutical products.  The polarimeter is extremely easy to use and has a touchscreen digital display presenting on-screen data in full colour.

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Description

AA-65 Series Automatic Polarimeters

Brand: OA (Optical Activity) – UK

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The new AA-65 is a versatile polarimeter suitable for measuring the optical rotations of many different types of samples from sugars to pharmaceutical products.  The polarimeter is extremely easy to use and has a touchscreen digital display presenting on-screen data in full colour.

The AA65 is available in 3 versions:

  • Single scale angular giving optical rotation in angular degrees
  • Sugar Industry model giving rotation in sugar degrees (ºZ) calibrated in International  Sugar Scale (I.S.S.) in accordance with current I.C.U.M.S.A. recommendations.  This model also offers temperature corrected sugar scale and includes 26g, 13g and 6.5g scales.  Results can also be displayed in angular degrees.
  • Analytical Model offering angular degrees and specific rotation and concentration scales, along with the option to enter a scaling factor to simulate any scale required by the user.

The working wavelength of 589.44nm is determined by means of a factory fitted optical interference filter.  The model type – angular scale (A65), sugar industry Z65 or analytical model (MA65) – is printed on the instrument label inside the sample compartment.

The AA-65 has a USB output for connection to a PC and a RS232 serial output for connection to suitable printers or other devices.  Optionally, a wireless connection may be purchased for wireless communication with a computer.

The AA-65 is normally supplied complete and ready to use with one stainless steel sample tube, handbook, dust cover, USB lead and Data Acquisition software for a PC.  Up to 1024 readings are automatically stored by the AA-65 every time the PRINT key is touched (even when a printer is not connected).  The user can view this data on the display or print it out when required.

The sample compartment has a removable temperature sensor.  Optionally,  you can purchase a ‘dip-in’ temperature sensor for use with A1 and G7 single sample tubes, or, for flow type tubes, an end cap with temperature sensor fitted.  These optional temperature sensors are available to provide much faster and more accurate measurement of the actual sample temperature.

  • 3 models available
  • Compact, versatile and affordable
  • Simple operation, easy  maintenance
  • Rapid, stable readings
  • ± 0.02 angular degrees accuracy
  • Touch screen full colour display with multiple displayed data including temperature and user access protection
  • Temperature probe in the sample compartment optional ‘dip-in’ or ‘fitted’ sample tube probe
  • USB output socket
  • Analytical version providing tube length, specific rotation and concentration etc
  • Archive storing up to 1024 readings
  • Warning if the sample is too dark to measure
  • UKAS certificate available – traceable accuracy
  • IQ/OQ documentation available

 

 AA-65 Series Automatic Polarimeters

 
Specification AA-65
Angular Scale
AA-65
Sugar Industry Model
AA-65
Analytical Model
Scale Angular Degrees (°) I.S.S. (°Z)
Temperature Corrected I.S.S. 
(°Z (TC))
(°Z) x 2 (13g sugar scale)
(°Z) x 4 (6.5g sugar scale)
Angular degrees
(°)
°Z (TC) and ° x 2 and x 4
Angular Degrees (°)
Specific Rotation
Concentration
Degrees x user entered factor
Range Full circle ± 90° In excess of ±250°Z Full circle ± 90°
Resolution 0.01° 0.01°Z, 0.01° 0.01°
Repeatability ±0.01° ±0.02°Z, ±0.01° ±0.01°
Reading Time 6 seconds 10 seconds 6 to 8 seconds
Wavelength 589.44nm
Calibration Optionally available with UKAS (United Kingdom Accreditation Service) traceable Certificate of Calibration (must be specified at time of ordering)
Light Source Tungsten lamp, life in excess of 2000 hours
Displayed Data Reading, scale name, temperature, time and date
Digital Display Touchscreen, 95 x 64 mm, full colour
User Access Keys can be protected by security code to prevent unauthorised access to zeroing, scale or setup keys
Sample Compartment Accepts standard polarimeter tubes with 30mm circular ends, maximum path length 200 mm.  Optical Activity’s full range of sample tubes and cells can be used with the AA-65, including single sample tubes, flow tubes (require slotted sample compartment cover, optional accessory) and TT ThermoTubes (tubes with electronic temperature control)
Temperature Range:  0 ̴ 50ºC Resolution 0.1ºC
On all models:  sample compartment temperature probe supplied as standard
Optional accessories:
‘Dip-in’ temperature probe for A1 or G7 (single sample) type tubes
End cap with fitted temperature probe for A2 flow tubes
(Note: the TT ThermoTubes  have their own built-in temperature probe)
Special Feature Warning if sample too dark to measure (absorption greater than 97%, OD 1.5)
Archive Instrument stores up to 1024 readings
Outputs On all models:  USB, RS232
Optional accessory:  wireless connection
Data Output Reading, scale name, temperature, time, date, instrument serial number (user selectable)
Software Generates read-only text file, csv file and Microsoft Excel® spreadsheet (provided Excel® installed on the PC
Power Requirements 86v to 265v ac, 47 Hz to 63 Hz, 14 watts
Size 460 x 225 x 120 mm (approximate)
Weight 7.5kg (packed 12 kg) (approximate)

 

 

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