Marzhauser SCAN Series Motorized Microscope Measurement Stage
| Brand | Marzhauser |
|---|---|
| Origin | Germany |
| Model | SCAN |
| Travel Range | 100 × 100 mm |
| Lead Screw Pitch | 1 mm |
Overview
The Marzhauser SCAN Series Motorized Microscope Measurement Stage is a precision-engineered, closed-loop positioning platform designed for high-accuracy automated sample manipulation in upright optical microscopy systems. Built upon Marzhauser’s decades of German mechanical and motion-control expertise, the SCAN stage implements a robust lead-screw-driven actuation architecture coupled with an integrated MR (magnetic rotary) position measurement system—ensuring real-time, non-contact feedback with sub-micrometer repeatability over extended operational lifetimes. Unlike open-loop stepper-based stages, the MR sensor continuously monitors actual carriage position relative to commanded coordinates, enabling active error correction and eliminating cumulative drift. This architecture is particularly critical in quantitative imaging workflows—such as tiled acquisition, Z-stack registration, and time-lapse morphometric analysis—where positional fidelity directly impacts data integrity and downstream image alignment accuracy.
Key Features
- Integrated MR position sensing provides continuous, high-resolution feedback without mechanical wear or signal degradation over time
- Lead-screw drive mechanism with 1 mm pitch ensures smooth, backlash-minimized motion and high static load stability (up to 2 kg typical)
- Standard 100 × 100 mm travel range; scalable modular design supports custom configurations from 75 × 50 mm up to 600 × 600 mm
- Specialized long-life lubrication system maintains consistent friction characteristics and positional accuracy across >10⁶ operational cycles
- Universal mechanical and electrical interface compatibility—including standardized mounting holes, TTL/RS-422 encoder outputs, and analog/digital I/O for synchronization with microscope shutter, filter wheels, or autofocus units
- Designed for seamless integration with major upright microscope platforms (e.g., Zeiss Axio Imager, Leica DM6000, Nikon Eclipse Ni) via optional adapter kits
Sample Compatibility & Compliance
The SCAN stage accommodates standard microscopy slide formats (e.g., 76 × 26 mm, 100 × 75 mm), petri dishes (35–150 mm), and custom specimen holders via M4/M6 threaded mounting points. Its rigid aluminum alloy base and low-profile design minimize vibration coupling and thermal expansion mismatch—key considerations for live-cell imaging and interferometric applications. The stage complies with CE marking requirements under the EU Machinery Directive 2006/42/EC and electromagnetic compatibility standards EN 61326-1. While not certified for ISO 13485 or FDA 21 CFR Part 11 out-of-the-box, its deterministic motion behavior and traceable position reporting support validation protocols required in GLP/GMP environments when deployed with compliant software stacks.
Software & Data Management
The SCAN stage communicates via industry-standard interfaces: RS-422 for high-speed serial control (compatible with Marzhauser’s Wetzlar Control Software, µManager, and MetaMorph), plus optional USB 2.0 and Ethernet variants. Position data—including absolute coordinate values, velocity profiles, and encoder pulse counts—is timestamped and exportable in CSV or HDF5 format for auditability. When used with validated acquisition software, the system supports full electronic record retention, user access logging, and change history tracking—facilitating compliance with ALCOA+ data integrity principles. Firmware updates are delivered via signed binary packages to ensure version control and traceability.
Applications
- Automated whole-slide scanning and mosaic reconstruction in histopathology and cytology
- Precise multi-point time-lapse imaging of adherent cell cultures under controlled environmental chambers
- Quantitative fluorescence colocalization studies requiring pixel-accurate repositioning between channel acquisitions
- Micro-manipulation coordination in electrophysiology setups where electrode positioning must be synchronized with stage movement
- Calibration and verification of optical metrology instruments, including interferometers and profilometers
- Non-microscopic use cases such as automated optical inspection (AOI) stations and laser micromachining alignment platforms
FAQ
Does the SCAN stage support bidirectional communication with microscope control software?
Yes—the RS-422 interface enables full duplex command/response interaction, supporting both motion commands and real-time position query.
Is the MR measurement system affected by magnetic fields generated by nearby equipment?
The MR sensor is shielded against ambient fields up to 10 mT; however, direct proximity to MRI-grade magnets or high-current electromagnets may require localized shielding.
Can the stage be operated in vacuum or cleanroom environments?
Standard units are rated for ISO Class 8 (Class 100,000) cleanrooms; vacuum-compatible versions with dry-lubricated components and outgassing-certified materials are available on request.
What is the typical positional repeatability under continuous operation?
≤ ±0.5 µm over 100 mm travel at 23 °C, verified per ISO 230-2 Annex A after 30-minute thermal stabilization.
Are firmware updates provided free of charge during the warranty period?
Yes—Marzhauser provides no-cost firmware revisions covering bug fixes, interface enhancements, and minor feature additions for the duration of the 24-month limited warranty.
