Masterflex® L/S® Complete Digital Drives

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
Models with open-head sensor stop drive motor when pump head is opened

Standard Digital Pump Systems
Item	Max Flow Rate Per Channel (mL/min)	Max RPM Per Channel (rpm)	Pump Head
77919-25	18	0.0034	07519-06 (L/S® 8-Channel Cartridge Pump Head)
77919-35	12	0.0024	07519-20 (L/S® 4-Channel Cartridge Pump Head)
77921-65	480	0.08	77800-60 (L/S® Easy-Load 3 Pump Head)
77921-75	1700	0.28	77200-62 (L/S® Easy-Load II Pump Head)
77921-77	480	0.08	77200-30 (L/S® Easy-Load II pump head with Open-Head Sensor)
77921-79	1700	0.28	77200-32 (L/S® Easy-Load II pump head with Open-Head Sensor
77921-85	280	0.047	07535-04 (L/S® 4-Channel Pump Head)
Variable Speed Analog Console Pump Systems
Item	Max Flow Rate Per Channel (mL/min)	Max RPM Per Channel (rpm)	Pump Head
77916-10	480	4.8	77800-60 (L/S® Easy-Load 3 Pump Head)
77916-20	1700	17	77200-62 (L/S® Easy-Load II Pump Head)
77925-10	35	0.35	07534-04 (L/S® 4-Channel Pump Head)
77926-10	47	0.47	07535-04 (L/S® 4-Channel Pump Head)
77927-10	280	2.8	07536-04 (L/S® 4-Channel Pump Head)