Masterflex C/L Variable-Speed Tubing Pump

Masterflex  C/L Variable-Speed Tubing Pump

Redesigned head offers more positive tubing retention and improved flow performance
Stackable, compact 1/4-DIN housing—mount in your equipment rack or place on your lab bench. (To mount, order brackets 77120-03 at right).
Pumps accept continuous lengths of tubing for a clean, uninterrupted flow path with no fittings.

Separate single-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.

c/L pump2

Reversible permanent magnet DC motor; purge fluid before or after pumping; pump fluid in either direction.
Remote control connections on back of pump; start/stop pump with a contact closure.
Max button runs pump at maximum rpm—prime or rapidly flush tubing.
Pump head has average fixed occlusion for tubing; no need to adjust occlusion when changing tubing.
Maximum suction lift of 5 ft (1.5 m); maximum pressure 15 psi (1.0 bar).
Pump includes 5-ft (1.5-m) of 0.89 mm ID Tygon ®  LFL tubing. Order additional microbore tubing based on flow rate (click to view flow chart below).

Max flow rate 1.65 mL/min
Min flow rate 0.002 mL/min
No. of channels 1
Rollers () 4
rpm 1.7 to 10
Speed control ±5%
Reversible motor Yes
IP rating IP22
Dimensions 1/4 DIN
6-3/8"L x 3-1/2"W x 3-1/2"H
(16.2 cm x 8.9 cm x 8.9 cm)
Power VAC 90 to 260
Hz 50/60
mA 110 mA at 115 VAC


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