Metler Toledo TX-110XR Balance Data Printer for XPR/XSR Series Balances

Overview

The Metler Toledo TX-110XR Balance Data Printer is a dedicated, regulatory-grade peripheral engineered to interface with high-precision analytical and semi-micro balances—including Mettler Toledo’s XPR and XSR series—as well as a broad spectrum of third-party weighing instruments from Sartorius, Shimadzu, Ohaus, A&D, and others. Unlike generic thermal label printers, the TX-110XR employs an 8-pin impact dot matrix mechanism using standard plain paper and replaceable ribbons (Epson ERC-09/ERC-22), ensuring archival-quality, tamper-evident hardcopy output compliant with long-term record retention requirements in regulated environments. Its measurement traceability architecture is grounded in deterministic serial data acquisition over RS-232 or USB, with optional RS-485 for industrial multi-instrument daisy-chaining. The device operates independently of host PC software, delivering autonomous, instrument-agnostic data capture—critical for labs operating under ISO/IEC 17025, USP , ASTM E2500, and GxP frameworks where raw data integrity, time-stamped audit trails, and non-erasable physical records are mandatory.

Key Features

• Regulatory-ready printing: Generates GLP- and GMP-compliant reports with embedded timestamps, instrument identification, operator signatures, and batch/sample metadata—fully aligned with FDA 21 CFR Part 11 principles for electronic records and signatures.
• Dual-mode printing: Configurable 24- or 40-character lines on 57 mm plain paper; ribbon-based impact printing ensures permanent, smudge-resistant output without reliance on thermal sensitivity or proprietary media.
• On-device statistical computation: Performs real-time, 64-bit double-precision calculations on up to 300 sequential weighings—delivering mean, standard deviation, coefficient of variation, sum, min/max, and delta values without external spreadsheet dependency.
• Automated volumetric calibration: Implements JJG 646–2006 (Chinese national metrology regulation) logic for pipette and volumetric flask calibration—automatically applying temperature-corrected K_t factors to convert mass readings into volume at 20 °C, with multi-point, multi-replicate support.
• Modular reporting engine: Supports six distinct operational modes—Weighing (Tare/Net/Gross), Statistics, Formulation, Summation, Averaging, and Pipette Calibration—with fully customizable header/footer templates editable directly on the 128×64 OLED display.
• Extended interoperability: Integrates with electrochemical analyzers (pH meters, titrators, Karl Fischer coulometers), dissolution testers, hardness testers, and UV-Vis spectrophotometers via standardized ASCII command protocols—enabling unified, instrument-agnostic report generation.

Sample Compatibility & Compliance

The TX-110XR is validated for bidirectional communication with over 120 models of analytical, precision, and industrial balances across major manufacturers. It supports both ASCII and binary data formats, auto-detecting instrument protocol variants during handshake initialization. All printed outputs include immutable metadata fields required by ISO 9001, ISO/IEC 17025, and EU Annex 11: instrument serial number, firmware version, date/time stamp (with NTP-synchronized RTC), user ID (if configured), sample ID/batch code, and environmental parameters (e.g., ambient temperature input for volumetric corrections). Print logs retain cryptographic integrity through sequential numbering and non-editable layout structures—satisfying ALCOA+ (Attributable, Legible, Contemporaneous, Original, Accurate, Complete, Consistent, Enduring, Available) data governance criteria.

Software & Data Management

No proprietary driver or PC software is required: the TX-110XR functions as a standalone, firmware-embedded data concentrator. Configuration is performed locally via intuitive menu navigation on its monochrome OLED screen, with bilingual (English/Chinese) UI. Data export occurs via USB mass-storage mode—allowing direct saving of CSV-formatted datasets to FAT32-formatted USB drives for downstream import into LIMS, ELN, or Excel-based QA/QC workflows. Audit trail entries are embedded within each printed report, including operator-initiated parameter changes, mode switches, and calibration event logging—ensuring full traceability during internal audits or regulatory inspections (e.g., FDA pre-approval inspections, MHRA GMP audits).

Applications

The TX-110XR serves as a critical compliance bridge in pharmaceutical QC laboratories performing USP balance verification, EP 2.1.6 weighing uncertainty assessments, or ICH Q5C stability-indicating assays. It streamlines volumetric equipment qualification per ISO 8655 and supports moisture content determination workflows via integrated loss-on-drying mode. In contract manufacturing organizations (CMOs), it enables standardized reporting across heterogeneous instrument fleets—eliminating manual transcription errors in batch record compilation. Its robust mechanical design (IP20-rated enclosure) and wide operating temperature range (5–40 °C) ensure reliability in production cleanrooms and warehouse-scale weighing stations.

FAQ

Does the TX-110XR require a computer to operate?
No—it operates autonomously after initial configuration; no PC, driver, or background service is needed.
Is the printer compatible with Mettler Toledo XPR205DR and XSR205DU models?
Yes—full protocol support is included for all XPR and XSR analytical and micro-balance variants released since 2018.
Can printed reports be digitally signed or encrypted?
While the printer itself does not perform digital signing, its immutable, timestamped, and sequentially numbered output satisfies FDA 21 CFR Part 11 “electronic record” requirements when paired with documented procedural controls.
What ribbon types are certified for use?
Epson ERC-09 (black) and ERC-22 (blue/black dual-color) ribbons are factory-validated for >1 million characters per cartridge.
How is minimum sample weight tracking implemented?
The device monitors incoming weight values against user-defined thresholds and flags sub-threshold events in real time—printing visual alerts and appending warning annotations to reports.