Used Lab Equipment

Used Lab Equipment

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Cole Parmer Masterflex 7554-90 Peristaltic Pump

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Cole Parmer Masterflex 7554-90 Peristaltic Pump

Cole Parmer Masterflex 7554-90 Peristaltic Pump

Cambridge Scientific ID #: 18466

The Masterflex L/S Economy Variable-speed drive is an economical and versatile variable-speed drive with a wide flow range. This product features a separate single-turn speed control and on/off switch with green power indicator to maintain speed setting while turning pump on/off. The 1/20-hp unidirectional motor (counterclockwise) as soft start and back EMF for 5% speed control. Stackable painted steel housing is IP22 rated for protection from vertically falling water.




  • Drive Speed Range: 20 - 600 rpm
  • Maximum Torque: 90 oz-in
  • Line Voltage Limits (50-60 Hz): 90-130 V
  • Power Output: 37 W (0.05 hp)


  • Maximum Current


    • 115 V Units: 1.5A, shorted output conditions
    • 230 V Units:  0.9A, shorted output conditions


  • Speed Regulation


    • Line: ±2%
    • Load: ±3%
    • Temperature Drift: ±10%
  • Enclosure Rating: IP22 per IEC529
  • Humidity (non-condensing): 10% to 90%
  • Operating Temperature: 0Ëš to 40ËšC
  • Storage Temperature: -45Ëš to 60ËšC
  • Chemical Resistance: Exposed material is painted steel housing
  • Altitude: Less than 2000 m
  • Display: Green LED
  • Dimensions (L x W x H): 220 x 180 x 125 mm
  • Weight: 4.1 kg (9 pounds)
  • Pollution Degree: 2 per IEC 664 (indoor use only)
  • Installation Category: 2 per IEC 664
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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Thank you for your interest in the Cole Parmer Masterflex 7554-90 Peristaltic Pump (ID #: 18466). To speak with a representative, please fill out the contact form below or call us directly.