Masterflex Ismatec 860-1050 / 860-1040 Brushless Peristaltic Pump Drive

Overview

The Masterflex Ismatec 860-1050 and 860-1040 brushless peristaltic pump drives are precision-engineered motor controllers designed for reliable, low-maintenance operation of Ismatec I/P series peristaltic pump heads. These drives utilize brushless DC motor technology to deliver stable rotational output across a wide speed range (33–650 rpm), enabling accurate volumetric flow control without mechanical wear or electrical arcing associated with brushed motors. The system operates on the principle of positive displacement via roller compression of flexible tubing—ideal for applications requiring contamination-free fluid handling, such as analytical sample delivery, bioprocessing media transfer, chemical dosing, and laboratory automation. Unlike gearmotor-based systems, the brushless architecture ensures high reproducibility, minimal speed drift under variable load, and extended service life—critical in GLP-compliant environments where operational consistency must be documented and validated.

Key Features

• Brushless DC motor with integrated thermal protection and electronic overload detection (error codes Err 2, Err 3/5/12, Err 10/11, Err 13/14)
• Front-panel intuitive control interface: STOP/START, DIRECTION (CW/CCW), SPEED (5–100% full scale), and INT/EXT mode toggle (860-1050 only)
• High-resolution three-digit, seven-segment LED display showing real-time rpm
• Robust torque output: 540 oz·in (39 kg·cm) continuous at 40 °C ambient; 960 oz·in (69 kg·cm) peak startup torque
• Speed regulation accuracy of ±0.25% full scale across line voltage, load, and time—verified per ISO 5725-2 repeatability standards
• IP55-rated enclosure for dust resistance and protection against low-pressure water jets—suitable for controlled lab and light industrial settings
• Dual-mode operation: internal front-panel control or external analog signal input (4–20 mA or 0–10 V DC) with ±0.5% linearity specification
• Remote I/O capability including pump-ready status output (NO/NC contact, 1 A @ 28 V AC/DC) and real-time speed current output (4–20 mA @ 600 Ω, 860-1050 only)

Sample Compatibility & Compliance

The drive is fully compatible with all Ismatec I/P-series pump heads—including standard EASY-LOAD I/P, high-performance I/P, and dual-head configurations—enabling flow rates from 0.2 to 26 L/min depending on tubing size, pump head geometry, and fluid properties (viscosity, density, compressibility). It supports tubing materials compliant with USP Class VI, FDA 21 CFR Part 11, and EU Pharmacopoeia requirements when used with Masterflex-certified silicone or Santoprene tubing. The unit meets international safety and electromagnetic compatibility standards: UL 508C (industrial control equipment), CSA C22.2 No. 14, EN 61010-1 (safety requirements for electrical equipment for measurement, control, and laboratory use), and EN 61326 (EMC for laboratory instrumentation). Its design accommodates routine IQ/OQ validation protocols required under GMP and ISO 13485 frameworks.

Software & Data Management

While the 860-1050/860-1040 operates as a standalone analog controller without embedded firmware or network connectivity, it supports traceable operation through its analog I/O architecture. The 4–20 mA speed output enables integration into SCADA, DCS, or PLC-based monitoring systems with audit-trail-capable data loggers. When deployed in regulated environments, users may configure external recording devices to capture speed setpoints, pump-ready status transitions, and fault events (e.g., Err 7 parameter reset, Err 14 thermal shutdown) with timestamped metadata. The drive’s deterministic response to analog input signals—combined with its ±0.25% FS speed stability—ensures compliance with FDA 21 CFR Part 11 requirements for electronic records when paired with validated third-party acquisition software and access-controlled hardware.

Applications

This pump drive serves critical roles in analytical chemistry (HPLC mobile phase delivery, autosampler fluidics), pharmaceutical manufacturing (buffer preparation, fill-finish line priming), biotechnology (media perfusion in bioreactors, harvest clarification), environmental testing (continuous wastewater sampling), and academic research (microfluidic interfacing, reaction mixture dosing). Its ability to maintain consistent flow under variable backpressure—without pulsation dampening or check valves—makes it particularly suited for shear-sensitive biological fluids and abrasive slurries. Dual-head operation allows parallel processing in multi-stream workflows, while the external control interface facilitates synchronization with spectrophotometers, pH meters, or fraction collectors in automated assay platforms.

FAQ

What is the difference between the 860-1050 and 860-1040 models?

The 860-1050 includes full analog remote control capability (4–20 mA / 0–10 V input and output), pump-ready status relay, and INT/EXT mode selection. The 860-1040 is front-panel-only, lacking external I/O terminals and analog interfaces.

Can this drive operate with non-Masterflex pump heads?

It is engineered exclusively for Ismatec I/P-series pump heads. Use with non-certified heads voids warranty and compromises flow accuracy, tubing life, and safety compliance.

Does the drive support automatic restart after power interruption?

Yes—in Internal mode, it resumes prior speed setting upon power restoration unless user-configured otherwise. In External mode, restart behavior depends on upstream controller logic.

What maintenance is required?

No scheduled lubrication or brush replacement is needed. Routine inspection includes verifying tubing integrity, cleaning the exterior with mild detergent (non-immersive), and checking fuse integrity (T6.3A, 5 × 20 mm).

How is calibration verified?

Speed accuracy is factory-set and traceable to NIST-calibrated tachometers. Users may validate performance using an optical tachometer and reference flow meter per ASTM D3590 or ISO 5167 protocols.