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Viscotek TDAmax

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Viscotek TDAmax - specifications


The Viscotek TDAmax is a complete, advanced, multidetector GPC/SEC system suitable for all macromolecular applications.

OmniSEC
Acquisition   6 channels, 5Hz, unlimited acquisition time
Calculation modules   Conventional, Universal, Light Scattering, Triple, Copolymer, Protein specific, FIPA
Results output   Mn, Mw, Mz, Mp, Mw/Mn, IV [η], Rh, Rg, Branching Number, Branching Frequency, Number of Arms, Weight Fraction, Concentration, MH-a, MH-k, dn/dc, dA/dc. A2
Minimum PC specification   Windows XP or higher, 100 GB HD, 2GB RAM, 1.8 GHz processor,
Graphics 1024x768, 16-bit colour depth

 

TDA
Temperature control   Ambient to 80ºC all detector cells and columns
Detector configuration   All detector cells in series for full signals
Column capacity   Up to 5 x 30cm GPC/SEC columns
Interface   6 channel digital interface to OmniSEC software

2 analog inputs, RI and UV/LS
Dimensions   41cm x 28cm x 54cm (W x H x D); 30Kg

 

Light scattering detector:
Measuring principle   RALS, 90º angle; LALS, 7º angle, with high efficiency optics
Light Source   Temperature controlled laser diode, 3mW, 670nm
Cell   Ultra low volume 18μL
Data rate   100Hz collection, DSP with 5Hz to OmniSEC

 

Refractive index detector:
Measuring principle   Deflection
Light Source   LED
Cell   45° quartz glass, 12μL volume
Purging   3 modes, Manual, Automatic and Programmable
Data rate   100Hz collection, DSP with 5Hz to OmniSEC

 

Viscometer detector:
Measuring principle   Inert, 4 capillary differential Wheatstone bridge configuration
Transducers   Digital Inert Transducer technology with over-pressure protection
Measuring volume   18μL
Purging   3 modes, Manual, Automatic and Programmable
Data rate   100Hz collection, DSP with 5Hz to OmniSEC
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UV detector
Wavelength   190 to 740nm
Light Source   Deuterium; Tungsten halogen is optional
Cell volume   10μL
Data rate   Analog collection of single wavelength (programmable), A-to-D with 5Hz to OmniSEC

 

UV-PDA detector
Wavelength/resolution   190 to 500nm or 430 to 710nm on 256 diode array
Light Source   Deuterium (190-500nm) or Tungsten (430-710nm)
Cell volume   10μL
Data rate   256 channels at 1Hz direct to OmniSEC

 

GPCmax
Operation and Control   By OmniSEC software or from front panel
Dimensions   55cm x 38cm x 53cm (W x H x D); 37kg

 

Degasser
Channels/volume   Two channels, 8ml per channel
Performance   <0.5 ppm oxygen at 0.5 mL/min
Eluent Sensor   User selectable, stops GPC pump when eluent runs out

 

Pump
Flow rate range   0.01 to 9.99 mL/min
Pulsation   Less than 1% (measured with viscometer)
Pressure Reading   MPa or PSI
Soft start/stop   User programmable in mL/min/min

 

Autosampler
Capacity (Standard)   120 vials, freely programmable position sequence
Range   Variable injection volume, between 20 and 150μL
Reproducibility   Better than 0.5 %
Carryover   Less than 0.1%, depending on wash program
Cooling option   4°C to 40°C
Capacity (with cooling option)   60 vials cooled, freely programmable position sequence
Heated tray option   65°C fixed in one tray
Capacity (with heating option)   60 vials heated, 60 unheated, freely programmable position sequence