Masterflex L/S® MasterSense Drive System with Easy-Load II Pump Head, 600 RPM
| Brand | Masterflex |
|---|---|
| Origin | USA |
| Model | Masterflex Easy-Load II Peristaltic Pump (L/S® MasterSense Drive) |
| Max Speed | 600 rpm |
| Max Flow Rate | 3400 mL/min |
| Motor Type | Brushless DC, Maintenance-Free |
| Speed Accuracy | ±0.1% |
| Gear Reduction Ratio | 6000:1 |
| Connectivity | EtherNet/IP, Profibus, Wi-Fi, Analog Remote I/O |
| Display | Touchscreen with Glove-Compatible Interface |
| Tube Compatibility | All L/S®-series pump heads |
| Calibration Aid | Graphical LED alignment indicator |
| Safety Features | Drip-proof design, pump-head open sensor, power-status LED |
| Firmware | Over-the-air (OTA) updates via MasterflexLive™ |
Overview
The Masterflex L/S® MasterSense Drive System with Easy-Load II Pump Head is a high-precision, industrial-grade peristaltic pump engineered for reproducible fluid handling in regulated laboratory, pilot-scale, and continuous manufacturing environments. Operating on the fundamental principle of positive displacement via roller compression of flexible tubing, this system delivers pulse-free, contamination-free flow without valves, seals, or internal wetted surfaces—ensuring full fluid isolation and eliminating cross-contamination risks. Designed for integration into automated workflows, the MasterSense platform combines a brushless DC motor drive with real-time digital control architecture, supporting speeds from 0.1 to 600 rpm and delivering flow rates up to 3400 mL/min (dependent on tubing ID and fluid properties). Its compact footprint and modular L/S® pump head compatibility enable seamless deployment in fume hoods, bioreactor skids, analytical sample introduction systems, and inline process monitoring setups.
Key Features
- Digital Intelligence & Remote Monitoring: Equipped with MasterflexLive™ connectivity, the system supports secure, encrypted remote access for real-time flow status, alarm logging, and parameter adjustment via web browser or mobile interface—enabling compliance with remote operational oversight requirements.
- Glove-Compatible Touch Interface: A high-contrast, capacitive touchscreen with haptic feedback and customizable soft-keys allows intuitive operation under PPE, including nitrile or latex gloves—critical for ISO Class 5–8 cleanroom and biosafety cabinet applications.
- Precision Motion Control: The brushless DC motor achieves ±0.1% speed accuracy across its full range, supported by a 6000:1 planetary gear reduction for high torque at low speeds—essential for shear-sensitive biologics, cell suspensions, and viscous media.
- Smart Tubing Alignment: Integrated graphical LED indicators provide visual feedback during tube loading, confirming optimal occlusion and roller positioning—reducing setup time and minimizing operator-induced variability.
- Multi-Protocol Industrial Connectivity: Native support for EtherNet/IP and Profibus enables direct integration into PLC-controlled manufacturing execution systems (MES), while Wi-Fi and analog 0–10 V / 4–20 mA I/O facilitate legacy equipment bridging and SCADA-level data aggregation.
- Regulatory-Ready Architecture: Firmware supports over-the-air (OTA) updates validated per IEC 62304, with audit-trail-capable event logging aligned with FDA 21 CFR Part 11 and EU Annex 11 expectations for electronic records.
Sample Compatibility & Compliance
The Easy-Load II pump head accommodates all standard L/S®-series tubing—offering over 20 validated combinations of material (e.g., PharMed® BPT, Norprene®, Viton®, silicone) and inner diameter (0.13–6.4 mm). This breadth ensures chemical resistance across pH 1–14, solvent exposure, and sterilization cycles (autoclave, gamma, EtO). The system meets UL 61010-1, CE marking requirements (EMC Directive 2014/30/EU, LVD Directive 2014/35/EU), and complies with ISO 8573-1 for compressed air–free operation. When deployed with GMP-grade tubing and documented calibration procedures, it satisfies USP <1058> Analytical Instrument Qualification (AIQ) criteria for Category C instruments.
Software & Data Management
MasterflexLive™ cloud platform provides role-based user access, configurable dashboards, and exportable CSV/Excel logs with timestamps, operator IDs, and change history. Local storage retains ≥30 days of operational data (flow rate, runtime, fault codes, firmware version) with tamper-evident hashing. Optional OPC UA server module enables bidirectional data exchange with LabVantage, Thermo Fisher SampleManager, or Siemens Desigo CC—supporting ALCOA+ data integrity principles (Attributable, Legible, Contemporaneous, Original, Accurate, Complete, Consistent, Enduring, Available).
Applications
- Automated reagent dispensing in clinical chemistry analyzers and ELISA workstations
- Continuous feed control in single-use bioreactors and perfusion culture systems
- Mobile phase delivery in preparative HPLC and inline UV-Vis concentration monitoring
- Waste aspiration and neutralization loops in environmental testing labs (EPA Method-compliant)
- Calibration standard delivery in metrology labs requiring traceable volumetric accuracy
- Process analytical technology (PAT) deployments compliant with ICH Q8/Q9/Q10 frameworks
FAQ
Does the MasterSense Drive support validation documentation packages for GMP environments?
Yes—Masterflex provides IQ/OQ templates, traceable calibration certificates, and firmware validation reports upon request.
Can the Easy-Load II head be used with non-Masterflex tubing?
While mechanically compatible, only Masterflex-validated tubing ensures specified flow accuracy, longevity, and regulatory compliance—non-certified tubing voids warranty and performance guarantees.
Is the touchscreen display rated for use in humid or washdown environments?
The front panel carries an IP65 rating, protecting against low-pressure water jets and dust ingress—suitable for lab benchtop use but not high-pressure sanitation cycles.
How is speed calibration performed and how often is recalibration required?
Speed is factory-calibrated using NIST-traceable tachometry; annual verification is recommended per ISO/IEC 17025 guidelines, with no field adjustment required due to encoder-based closed-loop control.
What cybersecurity protocols are implemented for Wi-Fi and remote access?
All remote connections require TLS 1.2+ encryption, two-factor authentication (2FA), and session timeout enforcement—aligned with NIST SP 800-53 Rev. 5 AC-17 and IA-2 controls.

