NARISHIGE UMM-3FC Micromanipulator

Overview

The NARISHIGE UMM-3FC Micromanipulator is a compact, high-precision mechanical positioning system engineered for demanding microscale manipulation tasks in electrochemical, electrophysiological, and microinjection applications. Designed using NARISHIGE’s decades-long expertise in micromanipulation hardware for life science and analytical laboratories, the UMM-3FC employs a coaxial coarse/fine motion architecture on all three orthogonal axes (X, Y, Z), enabling seamless transition between macro-positioning and sub-micrometer adjustments without reconfiguration. Its measurement principle relies on precision-machined lead-screw mechanisms coupled with low-backlash gear trains—ensuring mechanical stability, minimal hysteresis, and long-term repeatability under continuous manual operation. The device is optimized for integration into confined experimental setups, including electrochemical cells, inverted microscope stages, and custom-built electroanalysis rigs where spatial constraints limit conventional manipulator deployment.

Key Features

• Coaxial dual-range actuation per axis: independent coarse (±24 mm) and fine (±6 mm) travel, both accessible via the same ergonomic knob—eliminating need for mode-switching levers or secondary controls.
• Integrated 360° rotation mechanism mounted at the base of the manipulator head, facilitating rapid reorientation of pipettes, electrodes, or microprobes between left/right configurations and simplifying tip exchange during multi-step protocols.
• Ultra-compact footprint (143 × 92 × 158 mm) and lightweight construction (510 g), minimizing stage loading and vibration coupling in sensitive optical or electrochemical measurements.
• Standardized 12 mm diameter mounting interface compatible with NARISHIGE’s GJ-8 magnetic base (sold separately) and other industry-standard rod-based support systems—enabling rigid, tool-free attachment to optical tables, Faraday cages, or custom fixtures.
• Mechanically locked fine-adjustment scale: each full 360° rotation of the fine-motion knob delivers precisely 250 µm of linear displacement, calibrated and traceable to NARISHIGE’s internal metrology standards.

Sample Compatibility & Compliance

The UMM-3FC is routinely deployed in applications requiring precise physical placement of microelectrodes (e.g., carbon fiber, Pt/Ir, glass micropipettes), reference electrodes, or capillary probes within electrochemical cells, scanning electrochemical microscopy (SECM) platforms, and patch-clamp rigs. It supports standard outer diameters of pulled-glass pipettes (1.0–1.5 mm OD) and metal microelectrodes up to 0.8 mm in diameter. While the manipulator itself contains no electronic components or software, its mechanical design conforms to general laboratory safety principles outlined in ISO 13857 (safety distances) and aligns with Good Laboratory Practice (GLP) requirements for instrument traceability and maintenance documentation. When used in regulated environments (e.g., pharmaceutical electrochemical method development), its manual operation avoids data integrity concerns associated with unvalidated digital controllers—making it suitable for USP , , and FDA 21 CFR Part 11-compliant workflows when paired with appropriate procedural controls.

Software & Data Management

The UMM-3FC operates entirely manually and does not incorporate embedded electronics, firmware, or connectivity interfaces. Consequently, it generates no digital output, requires no driver installation, and introduces zero electromagnetic interference—critical for low-noise current/voltage measurements in potentiostatic or galvanostatic experiments. Positional records are maintained through operator logbooks or integrated experiment tracking systems (e.g., LabArchives, Benchling), where users document knob rotations, scale readings, and coordinate references as part of raw data metadata. This analog-first architecture ensures compliance with audit trails under GLP/GMP frameworks where deterministic, human-readable instrument logs are mandated over proprietary binary data formats.

Applications

• Precise alignment of ultramicroelectrodes in rotating disk electrode (RDE) and rotating ring-disk electrode (RRDE) assemblies.
• Positioning of ion-selective microsensors in localized pH or redox potential mapping across biological tissues or corrosion interfaces.
• Manual control of patch pipettes in non-invasive extracellular recording or sharp-electrode intracellular impalement setups.
• Integration into custom SECM or scanning ion-conductance microscopy (SICM) systems where open-loop mechanical positioning complements closed-loop feedback from position sensors.
• Electrode placement in miniature flow cells for in situ Raman or UV-Vis spectroelectrochemistry, where thermal drift and magnetic interference must be minimized.

FAQ

Is the UMM-3FC compatible with inverted microscopes?
Yes—the compact height (158 mm) and low center of gravity allow stable mounting on most inverted microscope stages using the GJ-8 magnetic base or alternative 12 mm rod adapters.
Does the rotation mechanism support locking at discrete angles?
No—the rotation is continuous and friction-adjustable; positional locking requires external mechanical stops or custom jigs.
Can the UMM-3FC be used in Faraday cages?
Yes—its all-metal construction (non-magnetic stainless steel and brass components) and absence of electronic parts ensure compatibility with EMI-shielded environments.
What maintenance is required for long-term accuracy?
Periodic cleaning of lead screws with isopropyl alcohol and light application of NARISHIGE-recommended lubricant (MS-100) every 6–12 months, depending on usage frequency and ambient particulate levels.
Is calibration documentation provided with the unit?
NARISHIGE supplies a factory verification report confirming fine-motion linearity and coarse travel limits; full ISO/IEC 17025 calibration is available upon request through authorized service centers.