Used Lab Equipment

Used Lab Equipment

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Bio-Rad CHEF-DR II Gel Electrophoresis System

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Bio-Rad CHEF-DR II Gel Electrophoresis System

Bio-Rad CHEF-DR II Gel Electrophoresis System

Cambridge Scientific ID #: 13111


  • Cooling Module
  • Control Module
  • Drive Module


Drive Module 

  • Dimensions (W x D x H): 43 x 26 x 14 cm
  • Construction: Aluminum chassis
  • Weight: 8 kg (17.2 lb)
  • Maximum voltage:250 V DC
  • Maximum current: 500 mA
  • Electrode potentials:Dynamically regulated (feedback adjustment) +/- 0.5%
  • Input voltage range:
    • 90–132 VAC/47–63 Hz/0.7 A (maximum)
    • 198–264 VAC/47–63 Hz/0.35 A (maximum)
  • Fuses:
    • 5 A Fast Blow for high voltage output (front panel)
    • A Slow-Blow (100/120 V) or
    • 5 A Slow-Blow (220/240 V)

Control Module          

  • Dimensions (W x D x H): 31 x 13.5 x 17 cm
  • Maximum current: 500 mA
  • Allowable voltage gradients:6–6 V/cm, in 0.1 V/cm increments
  • Data entry: Keyboard
  • Power supply: 250 V maximum, to allow maximum gradient of 6 V/cm, continuously adjustable

Cooling Module

  • Chassis: Aluminum
  • Dimensions (W x L x H):23 x 42 x 24 cm
  • Weight: 14 kg (30.1 lb)
  • Compressor:1/12 HP
  • Refrigerant:CFC 12
  • Heat exchanger:Stainless steel
  • Operating range: 5°C–25°C
  • Cooling rate (pre-cool):75°C/min from ambient to 14°C
  • Cooling capacity (input power): 75 W at 14°C
  • Input voltage range       
    • 90–132 VAC/47–63 Hz/4 A
    • 198–264 VAC/47–63 Hz/2 A
  • Fuses   
  • 3 A Slow-Blow (100/120 V) or
  • 0 A Slow-Blow (220/240 V)
In Stock Worldwide Shipping Call: 1-877-Used-Lab

Our used lab equipment is fully refurbished, guaranteed to work up to manufacturers specifications and are delivered to our customers in as close to new condition as possible. Typical turnaround for refurbishing of used lab equipment is 2-4 weeks. They also come with our standard 6 Month parts and labor warranty. Prices do not include S/H unless otherwise indicated. Pictures enclosed and the actual unit may vary unless specified.


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