This item is now discontinued. We recommend the following as suggested replacements: EW-77122-34

Masterflex C/L® Analog Variable-Speed Pump with Single-Channel Pump Head for Microbore Tubing Pump, 50 to 300 rpm; 12 VDC

Representative image only.
Masterflex Item # EW-77122-26
New head design provides more positive tubing retention and improved flow performance
  • Separate 1-turn speed control and CW/OFF/CCW switch with green LED power indicator—maintain speed setting when you turn pump on/off or reverse direction
  • ”Max” button runs pump at 100% of maximum rpm—use to prime or to rapidly flush tubing
  • Reversible permanent magnet DC motor for pumping fluid in either direction
  • Remote start/stop control available using contact closure connection on back of the pump
  • Pumps accept continuous lengths of microbore tubing for a clean, uninterrupted flow path with no fittings
Often Bought with…

SPECS & DESCRIPTION

Specifications & Description

  • Pump SeriesC/L
  • Control TypeAnalog
  • Max RPM (rpm)300
  • Min RPM (rpm)50
  • Speed Control±5%
  • Number of Channels1
  • Max Flow Rate (mL/min)43
  • Min Flow Rate (mL/min)0.06
  • Max Flow Rate Per Channel (mL/min)43
  • Min Flow Rate Per Channel (mL/min)0.06
  • Tubing Sizes Accepted0.19, 0.25, 0.51, 0.89, 1.14, 1.42, 2.06, and 2.79 mm ID microbore tubing
  • No. of Rollers3
  • IP RatingIP 22
  • Washdown CapableNo
  • Reversible MotorYes
  • Motor (watts)7.3
  • Volume Per Revolution With 0.19 mm ID Tubing (mL)0.0012
  • Volume Per Revolution With 0.25 mm ID Tubing (mL)0.0022
  • Volume Per Revolution With 0.51 mm ID Tubing (mL)0.86
  • Volume Per Revolution With 0.89 mm ID Tubing (mL)0.024
  • Volume Per Revolution With 1.14 mm ID Tubing (mL)0.038
  • Volume Per Revolution With 1.42 mm ID Tubing (mL)0.056
  • Volume Per Revolution With 2.06 mm ID Tubing (mL)0.106
  • Volume Per Revolution With 2.79 mm ID Tubing (mL)0.144
  • Power (VDC)12
  • Width (in)7
  • Height (in)3.75
  • Length (in)3.5
  • Width (cm)17.8
  • Height (cm)9.5
  • Length (cm)8.9
  • Motor hp1/25
  • DescriptionAnalog Variable-Speed Pump with Single-Channel Pump Head for Microbore Tubing Pump, 50 to 300 rpm; 12 VDC

Includes

5 ft (1.5 m) of 0.89-mm ID Tygon® LFL tubing. Order additional microbore tubing based on chemical compatibility and flow rate.

Key Features

  • Separate 1-turn speed control and CW/OFF/CCW switch with green LED power indicator—maintain speed setting when you turn pump on/off or reverse direction
  • ”Max” button runs pump at 100% of maximum rpm—use to prime or to rapidly flush tubing
  • Reversible permanent magnet DC motor for pumping fluid in either direction
  • Remote start/stop control available using contact closure connection on back of the pump
  • Pumps accept continuous lengths of microbore tubing for a clean, uninterrupted flow path with no fittings
  • Deliver flow rates from 0.06 to 43 mL/min with a wide range of microbore tubing sizes
  • Pump runs on 12 VDC power—power supply not included

More About this Item

C/L® pumps are compact (1⁄4 DIN) and perfect for low-flow OEM use or analyzer applications. These easy-to-use, economical pumps feature reversible pumping, remote control capabilities, and rapid tubing changes. Ideal for consistent fluid delivery in chromatography, spectroscopy, and dispensing applications. These pumps feature self-priming which withstands minor back pressure.
Maximum suction lift of 5 ft (1.5 m); max discharge head of 20 ft (6.1 m); max pressure 15 psi (1.0 bar). Self-priming pumps withstand minor back pressure.

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