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> Masterflex l/s computerized drive w/ ptfe tubing pump
Masterflex l/s computerized drive w/ ptfe tubing pump
Up for sale a very clean Masterflex L/S Computerized Brushless Variable-Speed Digital Drive Model 7550-30 that comes with PTFE Tubing Pump Model 77390-00 from Cole-Parmer Instrument Company. Unit fires up when plugged.
An accurate digital pump drive for critical metering and dispensing applications
Flow rate: 0.6 to 3400 mL/min; flow rate depends on drive rpm and tubing size. Achieve lower flow rates with cartridge or multichannel heads and microbore tubing.
Maintenance-free reversible motor with precise PWM speed control no brushes to replace and quiet, efficient operation.
Dispense interval mode lets you set time delay between dispense cycles program delay from 1 to 9999 seconds.
Four digit LED display shows four different parameters: motor rpm, flow rate, dispense volume, and copy number. View pump performance continually.
Dispense by: mL vol in mL of each dispense; 0.001 to 9999 mL; Copy 1 to 9,999 dispense cycles; or SEC time between each dispense:1 to 9,999 secs.
Membrane keypad for easy programming select tubing size and enter desired flowrate; drive locks in required rpm. Keypad lock/unlock feature prevents accidents or tampering.
Drive stores one calibration value per tubing size calibrate drive to maximize accuracy
Remote control capabilities via DB15 female connector on back of drive. Speed control input: 0 to 20 mA, 4 to 20 mA, or 0 to 10V; Pumping direction: requires open collector or contact closure; Start/stop/purge: requires open collector or contact closure. Tachometer output: 0 to 20 mA, 4 to 20 mA, 0 to 10V, or TTL pulse;
Stackable, ABS plastic housing is IP23 rated for splash resistance.
0.25% (1 rpm at 600 rpm; 0.1 rpm at 100 rpm)
Brushless with precise PWM speed control.
For more information on this product, please click on the following link:
http:// /catalog/manual_pdfs/07523-60,-70.pdf
