Masterflex® L/S® Digital Drives

Flow rate 0.001/0.006 to 566/3400 mL/min with L/S tubing—flow rate depends on drive rpm, pump head, and tubing size
Digital interface with graphical LCD shows pump performance and operating modes—continuous run, timed dispense, copy dispense, or volume dispense
Select your preferred language from the user-friendly menu for programming and operation
Dispense by Volume in mL (0.001 to 9,999 mL), L, or gal; Copy—1 to 9,999 dispense cycles; or Time—time interval of on/off cycles (1 sec to 99 hr, 59 min, 59 sec per cycle)Antidrip function ensures dispensing accuracy
Brushless, maintenance-free motor offers ±0.1% speed control accuracy with a 6000 to 1 turndown ratio

Standard Digital Drives
Item	Max Flow Rate (mL/min)	Max RPM (rpm)	Open-Head Sensor
07522-20	3400	600	No
07522-28	3400	600	No
07522-30	566	100	No
07522-38	566	100	Yes
Precision Variable-Speed Console Drives
Item	Max Flow Rate (mL/min)	Max RPM (rpm)	No.of Pump Head Accepted
07528-10	3400	600	2
07528-20	1700	300	2
07528-30	580	100	4
With Computer/Network Compatibility
Item	Max Flow Rate (mL/min)	Remote I/O	Open-Head Sensor
07551-20	3400	RS-232, USB, 0 to 20 mA,4 to 20 mA, 0 to 10 V,start/stop, direction, and prime via contact closure	No
07551-30	580		No
07551-40	3400	Ethernet/IP, Bluetooth LE, USB, 0 to 20 mA, 4 to 20 mA, 0 to 10 V, start/stop, direction, and prime via contact closure	No
07551-42	3400	Profibus, Bluetooth LE, USB, 0 to 20 mA, 4 to 20 mA, 0 to 10 V, start/stop, direction, and prime via contact closure	Yes