Cole-Parmer Masterflex L/S Precision Variable Speed Console Drive

The Cole-Parmer Masterflex L/S Precision Variable Speed Console Drive, Model 7521-40, with dual Masterflex L/S Easy-Load II Pump Head for high-performance precision tubing Model 77200-52. These accurate analog console drives have powerful motors, speed display, and +/- 0.25% speed control for precise flow regulation-ideal for metering applications.

Specifications:
– Easy-to-use Drives: Offer precise speed control and digital display of rpm-ideal for metering applications
– Flow rate: 0.06 to 3400 mL/min (depends on drive rpm and tubing size)
– Three digit LED display: Shows motor rpm and user can confirm speed setting at a glance
– Reversible motor: Purge tubing before or after pumping; pump fluid in either direction
– LED indicators confirm motor direction
– Powerful motors let you stack 2 or 4 pump heads for increased flow rates and for multichannel applications
– Separate speed and power (on/off) control-maintain speed setting while turning pump on/off
– Stackable, splash-resistant ABS plastic housing; IP33 rated
– Remote control capabilities via a DB9 female connector on back of drive
– Speed control input: 4 to 20 mA or 0 to 10 VDC
– Pump direction (CW/CCW) via open collector or contact closure
– Start/stop via open collector or contact closure
– Membrane keypad for easy up-front control of speed, direction, and start/stop