Masterflex® L/S® Digital Drive with Open-Head Sensor and Easy-Load® II Pump Head for Precision Tubing; 115/230 VAC
Catalog # MFLX77921-77
Supplier: Avantor Fluid Handling
About this item
Designed with maintenance-free high-accuracy motor and a graphical interface—makes setup and operation easier than ever!
- 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
- Flow range 0.08 to 480 mL/min with included L/S tubing—flow rate depends on drive rpm and tubing size
These precision drives offer analog remote control options and simple programming—ideal for automated process applications. Drives feature a programmable dispense interval that lets you set the delay between dispense cycles for convenient, automated dispensing. Programmed calibration ensures dispense and display accuracy—drive stores one calibration value per tubing size.
Program the drive via the simple membrane keypad; keypad lock/unlock feature protects settings. Motor is reversible so you can purge tubing before or after pumping and pump fluid in either direction.
Delivery: Includes L/S drive 07522-28, Easy-Load® II pump head 77200-30, 10-ft C-Flex® ULTRA® tubing, and 6-ft (1.8-m) line cord with IEC 320/CEE22 socket. These models are shipped with country specific plug/cord set; please specify ultimate destination when ordering.
- Maximum Flow Rate:480 ml/min
- Power:90 - 260 VAC; 50/60 Hz; 2.2 / 1.1 A
- Accuracy:±0.1% (0.1 rpm at 600 rpm)
- Cloud connected:No
- Control type:Variable-Speed Digital
- Frequency:50/60 Hz
- Min. flow rate:0.08 ml/min
- No. of channels:1
- Pump series:L/S
- Voltage:90 - 260 VAC
- Description:Digital Pump with Open-Head Sensor and Easy-Load II Pump Head (thin wall), 600 rpm
- Environmentally Preferable:
- Model:77921-77
- Duty cycle:Continuous
- Anti-drip:Yes
- Digital dispensing:Yes
- Drive IP rating:IP 33
- Max. flow rate per channel:480 ml/min
- Min. flow rate per channel:0.08 ml/min
- Min. RPM:0.1 rpm
- Open-head sensor:Yes
- Remote I/O:4 to 20 mA. 0 to 10 V. start/stop and direction via contact closure
- Reversible motor:Yes
- Tubing sizes accepted:L/S® 13, 14, 16, 25, 17, 18
- Washdown capable:No
- Current:2.2 / 1.1 A
- Tubing:06434-16, 10 ft (C-FLEX ULTRA®, L/S® 16 )
- Drive:07522-28 (L/S® Digital Drive with Open-Head Sensor, 600 rpm)
- No. of rollers:4
- Warranty:2 years
- Cat. no.:MFLX77921-77
- Max. RPM:600 rpm
- Pump Head:77200-30 (L/S® Easy-Load® II head with open-head sensor)
- Housing Material:ABS plastic and aluminium
- Plug Type:US
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