Mettler Toledo V30 Volumetric Karl Fischer Moisture Titrator with Chinese-Language TFT Touch Interface
| Origin | Shanghai, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Regional Origin | Domestic (PRC) |
| Model | V30 |
| Price | USD 16,500 (approx.) |
| Measurement Principle | Volumetric Coulometric-KF Titration (dual-mode capable) |
| Detection Range | 10 ppm – 100% H₂O |
| Electrode Resolution | 0.1 mV (polarization voltage), 0.1 µA (polarization current) |
| Burette Resolution | 0.25 µL (5 mL burette, 1/20,000 step drive) |
| Max. Burette Error | ±0.3% |
| Drift | < 5 µg H₂O/min |
| Reproducibility | ±0.3% (for samples containing >10 mg water) |
| Display | 5.7″ QVGA TFT color touchscreen (320 × 240 px) |
| Interfaces | Ethernet, 3× USB, RS232, CAN bus, TTL |
| Operating Environment | 5–40 °C, ≤80% RH at 31 °C |
| Weight | 4.2 kg |
| Dimensions (L×W×H) | 333 × 210 × 320 mm |
Overview
The Mettler Toledo V30 Volumetric Karl Fischer Moisture Titrator is a fully automated, high-precision analytical instrument engineered for quantitative determination of water content in liquid, solid, and gaseous samples across pharmaceutical, chemical, petrochemical, and polymer industries. Based on the classical volumetric Karl Fischer titration principle—where iodine generated electrochemically or delivered via standardized KF reagent reacts stoichiometrically with water—the V30 delivers trace-level accuracy from 10 ppm to 100% water concentration. Designed as the direct successor to the DL38 platform, it integrates advanced electrochemical sensing, RFID-enabled reagent management, and real-time solvent health monitoring to minimize operator intervention while maximizing method robustness and data integrity. Its architecture complies with core regulatory expectations for analytical instrumentation used in GLP and GMP environments, including audit trail capability, electronic signature support (via LabX), and full traceability of reagent lot numbers, calibration dates, and system drift history.
Key Features
- One Click® workflow automation for routine operations—including sample analysis, solvent exchange, and electrode cleaning—reducing procedural variability and training burden.
- RFID-based intelligent reagent recognition: automatically reads and validates KF titrant name, concentration, expiration date, and next standardization due date; blocks use of expired or incompatible reagents.
- Solvent Manager functionality: monitors solvent condition in real time and initiates fully sealed waste removal and fresh solvent dosing via single-touch command—eliminating manual handling of toxic solvents (e.g., pyridine-free methanol-based KF media) and preventing overflow-related safety hazards.
- 9-language TFT color touchscreen interface (Chinese, English, German, French, Italian, Russian, Korean, Spanish, Portuguese) with customizable home screen layout and intuitive drag-and-drop method editor.
- High-resolution electrochemical detection: polarization voltage range −2,000 to +2,000 mV (0.1 mV resolution); polarization current range 0–24 µA (0.1 µA resolution); maximum error ±2 mV / ±1 µA.
- Volumetric precision: 20,000-step motorized burette drive; 0.25 µL minimum dispensing increment (with 5 mL burette); ±0.3% volumetric accuracy; full fill/empty cycle completed in ≤20 seconds.
Sample Compatibility & Compliance
The V30 accommodates diverse sample matrices—including hygroscopic solids (e.g., APIs, excipients), viscous liquids (e.g., silicone oils, resins), and low-solubility materials (via oven coupling or homogenizer integration). It supports both direct titration and coulometric KF modes (with optional coulometric cell), enabling seamless transition between high-water-content (>1000 µg) and ultra-trace (<10 µg) applications. All measurements adhere to internationally recognized standards including ASTM E203, ISO 760, USP , and EP 2.5.2. System validation documentation—including IQ/OQ protocols, performance qualification (PQ) templates, and 21 CFR Part 11-compliant electronic record generation—is available through Mettler Toledo’s certified service network. The instrument logs all critical events (e.g., reagent swaps, calibration actions, drift corrections) with timestamps and user IDs, satisfying GLP audit requirements for raw data retention and review.
Software & Data Management
The V30 operates natively via its embedded firmware and optionally integrates with Mettler Toledo LabX™ PC software for centralized method deployment, remote instrument control, and enterprise-level data archiving. LabX provides full 21 CFR Part 11 compliance—including role-based access control, electronic signatures, and immutable audit trails—with configurable report formats supporting nine languages and GLP-compliant metadata (sample ID, analyst, instrument ID, environmental conditions, reagent batch, curve statistics). Real-time titration curves (up to five simultaneous overlays) are displayed on-screen and exported in CSV/PDF; raw data files include raw mV vs. time, derivative plots, equivalence point calculation logic, and uncertainty propagation per ICH Q2(R2). All interfaces—including Ethernet, USB, RS232, and CAN bus—are hot-pluggable and auto-configured, enabling plug-and-play connectivity to printers, balance systems, autosamplers, and LIMS.
Applications
- Pharmaceutical quality control: moisture testing of active pharmaceutical ingredients (APIs), lyophilized powders, tablet coatings, and excipients per USP and ICH Q5C stability guidelines.
- Polymer manufacturing: quantification of residual monomer hydration and catalyst moisture in polyolefins, polyesters, and engineering thermoplastics.
- Fuel and lubricant analysis: detection of trace water in jet fuel (ASTM D6304), transformer oil (IEC 60814), and biodiesel blends per EN 14971.
- Electronics-grade solvents: verification of anhydrous conditions in lithographic photoresist carriers and etchant formulations.
- Food and feed: determination of water activity precursors in dried dairy products, spices, and animal feedstuffs per AOAC 955.10.
FAQ
Is the V30 compliant with 21 CFR Part 11 for electronic records and signatures?
Yes—when operated with LabX software and configured with appropriate user roles, audit trail settings, and electronic signature workflows, the V30 meets all technical and procedural requirements of 21 CFR Part 11.
Can the V30 be connected to a laboratory information management system (LIMS)?
Yes—via Ethernet or RS232, using ASTM E1384 or HL7-compliant data export protocols; LabX also supports direct ODBC and SQL database integration.
Does the instrument support coulometric KF titration?
The V30 is primarily a volumetric titrator but accepts optional coulometric cells (e.g., Compact Coulometer module) for sub-microgram water quantification when paired with appropriate firmware.
How is solvent degradation monitored and managed?
The Solvent Manager continuously evaluates endpoint stability, baseline drift, and titration curve shape; upon detecting solvent exhaustion, it triggers automatic waste evacuation and fresh solvent dosing without user input.
What calibration standards are recommended for routine verification?
Certified water standards (e.g., Hydranal® 1.00 mg H₂O/mL, Merck Certipur®) are recommended for daily system suitability testing; traceable NIST-traceable standards are available for annual performance qualification.
