Varian - ProStar 701

Manufactured by  Varian
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This Varian ProStar 701 X-Y Fraction Collector has easy-to-use, interactive programming, microprocessor control and advanced software.

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Features of ProStar 701
  • Basic collection of uniform fractions with fraction sizes set by time, drop count or volume.    * Peaks may be detected by: slope (rate of change in detector output) threshold level sensing time windows time windows and/or slope time windows and/or level slope and level sensing time windows and/or slope and level sensing    * A delay time may be programmed to synchronize the ProStar 701/701A with the detector. Automated repetition of the collection program each time the ProStar 701/701A receives a restart signal from an autoinjector or other controller.    * Diversion of initial void volume or waste, using either the built-in waste funnel, or optional 3-way valve.    * The ProStar 701/701A is capable of communicating serially using the Varian Star Workstation.    * A selectable drop-wait feature, which waits for the next drop before advancing, is available in time and volume collection modes.    * The user can select either a serpentine, or left to right only collection mode.    * An optional anti-drip or diverter valve is available for use with the ProStar 701/701A. Prep versions of these are also available.    * On-line help messages are available to help the user.    * On-line editing allows the user to correct problems without interrupting the sample run.    * Multi-column collection capabilities are provided through an optional multi-column adapter.
General Specifications

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Additional Specifications

  • Max tube height 180 mm.   
  • Collects by time (1 sec to 99 hr 59 min 59 sec), drop (1 to 999,999 drops) or vol (1 to 999,999 vol units).   
  • RS232 interface.   
  • Stores 4 programs with battery backup.   
  • Peak detection by slope and/or level.
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