Thermo Scientific VisionMate® AB-1850 Pre-Encoded Cryotube Barcode Reader
| Brand | Thermo Fisher |
|---|---|
| Origin | USA |
| Manufacturer | Thermo Fisher Scientific |
| Product Category | Imported Instrument |
| Model | AB-1850 |
| Pricing | Available Upon Request |
Overview
The Thermo Scientific VisionMate® AB-1850 Pre-Encoded Cryotube Barcode Reader is an engineered solution for high-integrity, high-throughput sample identification in biobanking, clinical research, and pharmaceutical development environments. Designed specifically for reading pre-printed 2D Data Matrix barcodes on cryogenic storage tubes (e.g., Thermo Scientific Nunc™ and Matrix™ pre-encoded cryovials), the AB-1850 operates on optical imaging and advanced pattern recognition algorithms compliant with ISO/IEC 15415 and AIM DPM verification standards. Unlike general-purpose barcode scanners, the AB-1850 integrates fixed-focus optics, uniform LED illumination, and adaptive contrast enhancement to ensure reliable decoding of low-contrast, frost-affected, or micro-scaled 2D codes commonly encountered after long-term liquid nitrogen storage. Its architecture supports both benchtop deployment in controlled laboratory settings and integration into automated cold-chain workflows via USB 2.0 and RS-232 interfaces.
Key Features
- Optimized optical engine calibrated for 2D Data Matrix codes (6×6 mm to 12×12 mm) printed directly on polypropylene cryotubes
- Auto-exposure and dynamic threshold adjustment to decode barcodes under variable lighting, condensation, or tube curvature
- Scan speed of ≤1.2 seconds per tube (single-tube mode) and ≤10 seconds per full rack (96-well format)
- USB 2.0 and RS-232 serial output with configurable data formatting (ASCII, TAB-delimited, or custom prefix/suffix)
- Integrated firmware supporting batch mode operation, scan logging with timestamps, and error flagging for undecodable codes
- CE, FCC, and RoHS certified; designed for continuous operation in ambient lab environments (15–30°C, <80% RH non-condensing)
Sample Compatibility & Compliance
The AB-1850 reads pre-encoded 2D Data Matrix symbols conforming to ISO/IEC 16022, including those applied via laser etching, thermal transfer, or direct thermal printing on cryotubes from Thermo Scientific, Corning, Sarstedt, and other major suppliers. It supports standard ANSI/AIM BC-12 and GS1 DataMatrix specifications. The system is validated for use in GLP-compliant biorepository operations and aligns with ISO 20387:2018 (Biobanking — General requirements for biobanks) for traceability and sample integrity. While not FDA 21 CFR Part 11–certified out-of-the-box, audit trail functionality (via optional software add-on) enables configuration for 21 CFR Part 11–compliant environments when deployed with validated LIMS or ELN systems.
Software & Data Management
The AB-1850 operates natively as a HID-compliant keyboard wedge device, requiring no driver installation for basic data entry into spreadsheets or LIMS fields. For advanced workflow integration, Thermo provides the VisionMate Control Utility (v3.2+), a Windows-based application supporting: real-time scan monitoring, CSV export with metadata (date/time, operator ID, rack position), duplicate detection alerts, and customizable pass/fail criteria based on code quality metrics (modulation, cell contrast, grid distortion). All logs are stored locally in encrypted binary format and can be exported with SHA-256 hash verification to support audit readiness. Optional API libraries (C++, .NET, Python) enable direct integration with enterprise sample management platforms.
Applications
- Biobank inventory reconciliation during sample receipt, re-aliquoting, and distribution
- QC verification of cryotube encoding prior to long-term archival storage
- Automated sample tracking in regulated clinical trial specimen handling (e.g., ICH-GCP-aligned workflows)
- Integration with robotic liquid handlers and automated storage/retrieval systems (ASRS)
- Validation of barcode legibility after freeze-thaw cycling or extended cryogenic exposure
FAQ
Does the AB-1850 support scanning frozen tubes directly from liquid nitrogen dewars?
Yes — its optical design accommodates tubes with surface frost or condensation; however, optimal decode rates are achieved when tubes are briefly equilibrated to room temperature or wiped dry prior to scanning.
Can it read 1D barcodes or only 2D Data Matrix?
The AB-1850 is optimized exclusively for 2D Data Matrix symbology used in pre-encoded cryotube systems; it does not support linear (Code 128, Code 39) or QR Code formats.
Is firmware upgradable in the field?
Yes — firmware updates are delivered via Thermo Scientific’s secure instrument portal and applied using the VisionMate Control Utility without hardware modification.
What is the minimum required barcode contrast ratio for reliable decoding?
The system reliably decodes Data Matrix symbols with ≥30% reflectance difference between dark and light modules, meeting ISO/IEC TR 29158 (AIM DPM) Grade B performance under standard lab lighting.
Does it require annual calibration?
No — the AB-1850 contains no user-serviceable optical or mechanical calibration components; routine verification using NIST-traceable test targets is recommended every six months per internal QA protocols.
