📞 +1 877-742-2878
- Home /
- Masterflex /
- L/S Series
Masterflex peristaltic metering pumps L/S Series
Masterflex L/S Series peristaltic pumps are available at fixed and variable speeds, with precision motors for highly accurate flow control and dispensing, ideal for laboratory, process, and field use. These pumps provide the repeatable performance and sophisticated capabilities needed for biopharmaceutical applications. If It's precision and reliability you're looking for, the Masterflex L/S Series peristaltic pumps are what you need.
- Standard Digital
- Analog Variable Speed
- Variable Speed Analog
- Precision Variable Speed
- Digital Modular Dispensing
- Precision Process
- Network Compatible
- MasterSense
- Digital Process
- Digital Miniflex
- Variable Speed Air Powered
- High Pressure Precision
- Digital Process Cytoflow
- Standard Digital PTFE Tubing
- Variable Speed Economy Modular Drive
- Compact Variable
- Digital Drives
- Digital Pump
Features
- The digital interface, which includes a graphical LCD, displays pump performance and operation modes such as continuous run, timed dispense, copy dispensing, and volume dispense
- With a 6000 to 1 turndown ratio, the brushless, maintenance-free motor provides 0.1% speed control accuracy
- When the pump head is opened, models with open-head sensors halt the drive motor
How the Standard Digital Works
Ideal for applications involving automated processes, these precision drives provide analog remote control choices and straightforward programming. For convenient, automated dispensing, drives have a programmable dispense interval that allows you to adjust the interval between dispense cycles. Accurate dispensing and display are guaranteed by programmed calibration; the drive retains one calibration value per tube size.
Ask Now
Features
- Easy to use with a single-turn speed control
- The reversible motor makes it simple to prime/purge tubing and pump in either direction
- Remote start/stop control through the DB9 connector on the back of the drive
How the Analog Variable Speed Works
These pump systems are for typical fluid transfer applications that are small and affordable. Select a straightforward, comprehensive system with a single catalog number.
Ask Now
Features
- With a 3-digit LED display of rpm, the settings are precise and reproducible
- Reversible motor pumps fluid in either direction, making it ideal for purging tubing
- From all available channels, pick multichannel systems for synchronous flow
How the Variable Speed Analog Works
These L/S® precision variable-speed console drives provide accurate flow management with precise 0.25% speed control. The sizable LED display and indicators instantly confirm motor rpm and direction. Everything you need to start pumping is included in the complete pump system.
Ask Now
Features
- Flow rate varies with drive rpm and tubing size, ranging from 0.06 to 3400 ml/min using L/S tubing
- Motor rpm is displayed on a three-digit LED display, enabling quick speed confirmation
- Choose between washdown wall-mount controller drives and tabletop controllers
How the Precision Variable Speed Works
L/S® modular drives provide reversible pumping and the ability to detach the motor and controller. These precise modular drives are perfect for metering applications since they contain strong motors, a speed display, and 0.25% speed control.
Ask Now
Features
- Analog communication allows for remote control of voltage, current, and contact closure
- The antidrip feature ensures precise dispensing
- Pump heads can be stacked for greater flow rates and multichannel applications thanks to powerful motors
How the Digital Modular Dispensing Works
For convenient, automated dispensing by time or by volume, these precision drives have a programmable dispense interval that allows you to define the delay between dispense cycles. The brushless motor provides you with quiet, maintenance-free reliability, while the precise PWM speed control (0.1%) maximizes accuracy and efficiency.
Ask Now
Features
- Drive motor is stopped by an integrated open-head sensor when the pump head is opened
- Distinct power (on/off) and speed modes control: Keep the speed setting when turning the pump on and off
- NEMA 4X (IP66) rated housing
How the Precision Process Works
These precise console drives are perfect for metering applications because they contain strong motors, a speed display, and 0.25% speed control. Remote speed control necessitates the use of cable assembly 77300-32.
Ask Now
Features
- Flow rate ranges from 0.001 to 3400 ml/min with L/S tubing—flow rate is determined by drive rpm, pump head, and tubing size
- Analog communication allows for remote control of voltage, current, and contact closure
- The antidrip feature enables precise distribution
How the Network Compatible Works
These precision drives provide simple programming, and digital and analog remote control (I/O) choices, and are perfect for network and automated process applications. Drives include adjustable dispense intervals that allow you to control the time interval between dispense cycles for easy, automated dispensing. The drive saves one calibration value per tube size, ensuring calibrated dispensing and display accuracy.
Ask Now
Features
- Quick, simple, repeatable, and straightforward to set up and program performance
- A capacitive TFT/RGB touch screen with a 5" (12.7 cm) diagonal for sharp resolution and a wide viewing angle
- Take full advantage of advancements in drive features and functionality with over-the-air firmware updates
- MasterflexLive, EtherNet/IPTM, Profibus, and analog signal are available options for connecting and monitoring
How the MasterSense Works
Masterflex® L/S® MasterSenseTM drives provide high accuracy, consistent flow control, and dependable performance in a tiny footprint, freeing up even more bench space. When the pump head is opened, open-head sensor technology stops the drive motor, or it can be linked to a remote leak detector to stop the pump if a leak is detected in the fluid path.
Features
- The digital interface, which includes a graphical LCD, displays pump performance as well as operating modes such as continuous run, timed dispense, copy dispensing, and volume dispense
- When the pump head is opened, the open-head sensor stops the drive (when utilized with a sensor-equipped pump head)
- NEMA 4X (IP66) rated housing for washdown applications
How the Digital Process Works
Digital Process Pump Systems are perfect for automated process applications because they provide analog remote control choices and straightforward programming. For convenient, automated dispensing, drives have a programmable dispense interval that allows you to adjust the gap between dispense cycles. Accurate dispensing and display are guaranteed by programmed calibration; the movement retains one calibration value per tube size.
Ask Now
Features
- Pump performance and operating mode are shown on a digital interface with a graphical LCD
- For clear flow channels, the pump head accommodates continuous lengths of tubing
- Tube loading is quick and simple thanks to automatic tubing retention
How the Digital Miniflex Works
The Digital Miniflex stackable pump has a tough ABS casing that is simple to clean and maintain. Wide occlusion angles in the Miniflex pump head prevent fluid backflow up to the tubing's rated pressure. Rollers made of self-lubricating thermoplastic polyester have minimal friction and a long lifespan, enabling smooth operation.
Ask Now
Features
- Flow rate: 3.6 to 3400 ml/min—low rate is determined by drive rpm, tubing head, and tubing size
- Easily change the speed by altering the air pressure with the regulator
- The tough 3/4-hp air motor requires less maintenance and produces less heat than an electric engine
How the Variable Speed Air Powered Works
When electrical power is hazardous or unfeasible, use this variable-speed air-powered device. Safe operation requires careful grounding to protect against static energy. The drive requires 3 to 25 cfm of air input at 20 to 100 psi.
Ask Now
Features
- The four-digit LED display shows motor rpm, allowing you to validate the speed setting at a glance
- Powerful motors enable you to stack two or four pump heads for greater flow rates for multichannel applications
- NEMA 4X (IP66)
How the High Pressure Precision Works
These precise console drives are perfect for metering applications because they contain strong motors, a speed display, and 0.25% speed control. Remote speed control necessitates the use of cable assembly 77300-32.
Ask Now
Features
- Independent test data show that the convex-roller design is kinder on live cells and shear-sensitive fluids
- A large-diameter rotor produces more flow at lower speeds
- Low-speed pumping allows you to keep shear-sensitive fluids consistent and maintain their properties
How the Digital Process Cytoflow Works
The Masterflex L/S Cytoflow pump head, designed specifically for pumping delicate live cells and shear-sensitive fluids, is perfect for use in biopharma and microbiology applications where peristaltic pump operators seek to reduce cell hemolysis. The extra-large tubing bed paired with fewer rollers results in high flow rates at moderate motor speeds, adding to the advantages of cell survival.
Ask Now
Features
- Pump tubing that is rigid and designed to pump fluids at pressures up to 100 psi (6.9 bar)
- Occlusion is adjustable—tighten for higher pressure, loosen for longer tube life
- With PTFE tubing as the only wetted element, chemical exposure is limited
How the Standard Digital PTFE Works
The Masterflex Standard Digital PTFE tubing system is perfect for high-pressure filtration, chemical injection, and other applications. The PTFE pump head adopts rigid PTFE-tubing sets with ODs of 4 or 6 mm. Only use Masterflex® PTFE-tubing sets.
Ask Now
Features
- A 6-foot (1.9-meter) connection connects the separate motor and controller – install components wherever they are convenient or where space allows
- The reversible 1/10-hp motor includes a soft start and back EMF for 2% speed control
- The IP33-rated painted steel housing protects against vertically falling water
How the Variable Speed Economy Modular Drive Works
These variable-speed drives, which offer a larger rpm range with 2% speed regulation, are the ideal upgrade from a fixed-speed drive.
Ask Now
Features
- For clear flow channels, the pump head accommodates continuous lengths of tubing
- Tube loading is accelerated and simplified by automatic tubing retention
- Remote start/stop using the pump's back contact closure
How the Compact Variable Works
Wide occlusion angles provided by these simple-to-use complete pumps prevent fluid backflow up to the tubing's rated pressure. Pressing the MAX button can swiftly prime or flush tubing. Rollers made of self-lubricating thermoplastic polyester have minimal friction and a long lifespan, enabling smooth operation.
Ask Now
Features
- Interface with a PC via RS-232 or USB connection
- Utilizing analog communication—voltage, current, and contact closure—remote control
- Accurate dispensing is ensured by the antidrip mechanism
How the Digital Drive Works
Digital drives provide digital and analog remote control (I/O) possibilities and simple programming, making them perfect for network and automated process applications. For convenient, automated dispensing, drives have a programmable dispense interval that allows you to adjust the gap between dispense cycles. Accurate dispensing and display are guaranteed by programmed calibration; the movement retains one calibration value per tube size.
Ask Now
Features
- The continuous run, timed dispense, copy dispensing, or volume dispense modes of the pump are displayed on the digital interface's graphical LCD
- Select your preferred language from the user-friendly menu for programming and operation
- With a 6000 to 1 turndown ratio, the brushless, maintenance-free motor provides 0.1% speed control accuracy
How the Digital Pump Works
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.
