ZYKX JQ03E PRO Visual Multifunctional Surface Tensiometer
| Brand | ZYKX |
|---|---|
| Origin | Beijing, China |
| Model | JQ03E PRO |
| Measurement Range | 0–999.999 mN/m |
| Resolution | 0.001 mN/m |
| Accuracy | ±0.01 mN/m |
| Sensitivity | 0.001 mN/m |
| Platinum Plate Method Sampling Time | 1–5 s |
| Platinum Ring Method Sampling Time | 50–200 s |
| CCD Imaging System | USB3.0 monochrome CMOS camera (1.3 MP, 54 fps), 0.7–4.5× continuous zoom, adjustable LED cold light source |
| Temperature Sensing Accuracy | ±0.1 °C (external probe optional) |
| Mass Measurement Range | 0–210 g (0.1 mg standard, 0.01 mg optional) |
| Vertical Stage Travel | 0–25 mm (0.1 mm standard, 1 µm optional) |
| Data Acquisition Rate | 0.1 s (0.02 s optional) |
| Compliance | GB/T 22237–2008, GB/T 5549–2010, GB/T 6541–1986, SY/T 5370–1999 |
Overview
The ZYKX JQ03E PRO Visual Multifunctional Surface Tensiometer is an engineered solution for high-precision, dual-method surface and interfacial tension measurement in research laboratories, quality control environments, and industrial R&D settings. It operates on two internationally standardized physical principles: the Wilhelmy plate method (platinum plate) and the Du Noüy ring method (platinum ring), both compliant with ASTM D971, ISO 6295, and equivalent national standards (GB/T 5549–2010, GB/T 6541–1986). The instrument quantifies the force exerted at liquid–gas or liquid–liquid interfaces—arising from molecular cohesion—and converts it into surface or interfacial tension values (mN/m) via calibrated electromagnetic force transduction. Its integrated high-speed optical imaging system enables real-time visualization of meniscus formation, detachment dynamics, and interfacial relaxation processes—transforming static scalar measurements into spatiotemporally resolved experimental evidence. Designed for reproducibility under GLP-aligned workflows, the system features a Mettler Toledo–grade 0.1 mg electromagnetic balance sensor, thermally stabilized mechanical architecture, and passive thermal coupling ports for external thermostatic control.
Key Features
- Dual-standard measurement capability: Simultaneous support for platinum plate (fast, low-viscosity optimized) and platinum ring (high-sensitivity, interface-stable) methods per ISO 1409 and GB/T 22237–2008.
- Real-time visual metrology: Integrated USB3.0 monochrome CMOS camera (ON Semiconductor AR0135 sensor, 1.3 MP, 54 fps) with motorized focus-free zoom optics (0.7–4.5×), precision manual XYZ lens positioning (±0.1 mm resolution), and tunable LED cold illumination for glare-free meniscus imaging.
- High-fidelity force sensing: Electromagnetic compensation transducer (Mettler Toledo–certified), delivering ±0.01 mN/m accuracy, 0.001 mN/m resolution, and long-term stability across 10⁴+ measurement cycles.
- Automated platform control: Precision servo-driven vertical stage (0–25 mm travel, 0.1 mm standard resolution; 1 µm optional with displacement encoder) with programmable speed profiles and hardware/software zero-point calibration.
- Modular extensibility: Optional modules include CMC determination, dynamic contact angle analysis (sessile drop & tilting plate), powder/solid surface energy evaluation, density measurement (liquid: 1–2000 kg/m³; solid: 1000–2000 kg/m³), and adhesion force quantification.
- Thermal integration ready: Standard circulation-heating platform with embedded Pt100 sensor; compatible with user-supplied or OEM-integrated thermostats (e.g., Julabo, Huber) for temperature-controlled interfacial studies from 5 °C to 80 °C.
Sample Compatibility & Compliance
The JQ03E PRO accommodates a broad spectrum of sample types—from low-viscosity aqueous surfactant solutions (e.g., SDS, Triton X-100) to mid-to-high-viscosity industrial formulations including crude oil emulsions, polymer-modified coatings, inkjet inks, and pharmaceutical microemulsions. Its dual-method design ensures robustness across viscosity ranges where ring-based measurements may suffer from drainage artifacts, while plate-based acquisition remains stable up to ~500 mPa·s. All measurement protocols adhere to traceable reference standards: certified calibration weights (included), NIST-traceable platinum ring/plate geometries, and documented uncertainty budgets aligned with ISO/IEC 17025 requirements. Regulatory documentation supports audit readiness for ISO 9001, ISO 17025, and FDA 21 CFR Part 11-compliant data integrity frameworks when paired with timestamped, user-authenticated software logging.
Software & Data Management
The bundled Windows-native application provides full instrument control, real-time curve plotting (surface tension vs. time, concentration, or temperature), automated peak detection for ring detachment events, and built-in correction algorithms (Harkins–Jordan, Zuidema–Waters) applied without manual intervention. Data export is supported in CSV, TXT, and XML formats; time-series datasets retain metadata (operator ID, environmental RH/temp, method parameters) for traceability. Audit trail functionality records all configuration changes, calibration events, and measurement initiations with immutable timestamps—meeting GLP/GMP documentation expectations. Software updates are delivered remotely and validated per ICH Q5A guidelines; no cloud dependency ensures full data sovereignty within local network environments.
Applications
- EOR (Enhanced Oil Recovery): Quantitative evaluation of surfactant–crude oil interfacial tension reduction for chemical flooding feasibility studies (SY/T 5370–1999).
- Colloid & Interface Science: Critical micelle concentration (CMC) profiling, adsorption kinetics modeling, and Gibbs monolayer characterization.
- Coatings & Inks: Wetting behavior assessment of pigment dispersions, substrate compatibility screening via dynamic contact angle mapping.
- Pharmaceutical Formulations: Stability analysis of liposomal suspensions, emulsion droplet coalescence monitoring, and excipient–API interfacial affinity ranking.
- Agrochemical Development: Surfactant efficacy testing in pesticide adjuvants, spray deposition efficiency prediction via surface energy partitioning.
FAQ
Does the JQ03E PRO support both surface and interfacial tension measurements?
Yes—using either platinum plate or platinum ring geometry, it measures liquid–air surface tension and liquid–liquid interfacial tension with identical hardware and software workflows.
Is temperature control built-in or external?
The system includes a circulation-ready thermal platform with integrated Pt100 sensor; external thermostats (e.g., Julabo F25) must be connected by the user.
Can the instrument comply with FDA 21 CFR Part 11 requirements?
When deployed with user-configured Windows domain authentication, electronic signatures, and audit-trail-enabled software mode, it satisfies core electronic record and signature criteria.
What sample volumes are required per method?
Platinum plate: 20–30 mL; platinum ring: 40–50 mL—optimized to minimize evaporation artifacts during extended ring detachment cycles.
Is calibration traceable to national standards?
Yes—calibration weights meet OIML R111 Class E2 specifications; platinum geometries conform to ISO 6295 dimensional tolerances, with certificate of conformance supplied.
