Yuntang YT-ST03 Intelligent Electronic Titrator

Overview

The Yuntang YT-ST03 Intelligent Electronic Titrator is a precision-engineered liquid handling instrument designed for volumetric titration and quantitative dispensing in analytical chemistry laboratories. It operates on the principle of motor-driven piston displacement within a calibrated glass or polymer syringe barrel, enabling highly reproducible delivery of titrant solutions with traceable volume control. Unlike traditional manual burettes or semi-automated systems, the YT-ST03 integrates closed-loop step-motor control, real-time feedback monitoring, and programmable sequence execution to support standardized wet-chemistry workflows—including acid-base, redox, complexometric, and precipitation titrations—under routine QC/QA, academic research, and regulatory-compliant environments.

Key Features

• High-resolution 1/60,000-step microstepping drive ensures consistent piston positioning and minimizes mechanical hysteresis across repeated cycles.
• Calibrated minimum dispensing volume of 10 µL supports low-volume titrations while maintaining traceability per ISO 8655-3 and ASTM E287 for piston-type volumetric apparatus.
• Corrosion-resistant, high-hardness polymer piston assembly—manufactured from imported fluoropolymer-based composites—exhibits negligible swelling or dimensional drift when exposed to aggressive reagents including concentrated HCl, NaOH, KMnO₄, and EDTA solutions.
• PTFE fluid path tubing provides chemical inertness, low adsorption, and long-term pressure stability, reducing carryover risk and supporting method transfer between aqueous and organic solvent systems.
• Full-function wireless mouse interface enables intuitive operation without physical panel clutter; users can adjust titration speed, pause/resume sequences, and initiate calibration routines directly from workstation proximity.
• Integrated firmware supports automatic initialization, zero-point correction, endpoint detection via user-defined thresholds (e.g., pH jump or potentiometric inflection), and repeatable fixed-volume dispensing modes.

Sample Compatibility & Compliance

The YT-ST03 accommodates standard 10–50 mL glass or polypropylene titration syringes and interfaces seamlessly with common pH meters, ion-selective electrodes, and redox sensors via analog voltage input (0–5 V) or optional RS-232/USB data logging. Its mechanical design conforms to IEC 61010-1 safety standards for laboratory electrical equipment. While not inherently 21 CFR Part 11 compliant out-of-the-box, the device supports audit-trail-ready operation when paired with validated third-party LIMS or ELN software that captures timestamped command logs, operator IDs, and parameter change histories—enabling alignment with GLP and GMP documentation requirements in pharmaceutical, food, and environmental testing labs.

Software & Data Management

The YT-ST03 operates via embedded firmware with no external PC dependency for core titration functions. However, optional USB connectivity allows export of CSV-formatted titration logs—including volume delivered, time stamps, and associated sensor readings—for post-acquisition analysis in Excel, OriginLab, or MATLAB. Firmware updates are performed via secure USB stick loading, and all configuration parameters—including calibration coefficients, default speeds, and alarm thresholds—are stored in non-volatile memory to prevent loss during power interruption. The bilingual UI (English/Chinese) supports multilingual lab environments without requiring OS-level language changes.

Applications

• Routine quality control of raw materials and finished products in food & beverage, water treatment, and chemical manufacturing facilities.
• Standardization of titrant solutions (e.g., NaOH, HCl, AgNO₃) per ISO 6497 and AOAC Official Methods.
• Teaching laboratories requiring robust, entry-level automation for undergraduate analytical chemistry courses.
• Environmental testing labs performing COD, alkalinity, chloride, and hardness determinations under EPA Method 150.1, 310.1, and APHA Standard Methods.
• Pharmaceutical R&D labs conducting dissolution testing or excipient compatibility studies where precise reagent addition is critical.

FAQ

Is the YT-ST03 compatible with third-party pH meters or potentiometric sensors?

Yes—it accepts analog voltage inputs (0–5 V) and supports configurable scaling for direct integration with most benchtop pH/ORP meters and ion-selective electrode amplifiers.
Can the instrument be calibrated traceably to national standards?

Yes—calibration is performed using certified reference volumes (e.g., NIST-traceable Class A volumetric flasks or gravimetric standards), and the 1/10,000 resolution allows fine-tuning of dispense accuracy against known mass-loss measurements.
Does the system support GLP-compliant record keeping?

The device itself does not generate electronic signatures or audit trails; however, its USB-exported logs contain sufficient metadata (timestamps, volume commands, error flags) to serve as raw data inputs for validated LIMS or ELN platforms meeting GLP/GMP documentation criteria.
What maintenance is required for long-term reliability?

Routine maintenance includes periodic cleaning of the piston seal with ethanol or isopropanol, visual inspection of PTFE tubing for kinking or discoloration, and annual verification of volumetric accuracy using certified weights and density-corrected water.
Is technical support available outside mainland China?

Yuntang provides remote firmware troubleshooting and English-language documentation; international end-users are advised to coordinate service through authorized regional distributors who maintain local spare parts inventory and calibration capabilities.