POWEREACH JC2000Y Advanced Contact Angle Analyzer for Convex Curved Surfaces
| Brand | POWEREACH |
|---|---|
| Origin | Shanghai, China |
| Model | JC2000Y Series |
| Sample Stage | Circular, φ50–φ81 mm diameter, 5–30 mm thickness |
| Application Focus | Contact angle measurement on convex spherical lenses (glass & optical resin) |
| Compliance | Designed for ISO 19403-2, ASTM D7334, and GB/T 24368-2009 surface wettability testing protocols |
Overview
The POWEREACH JC2000Y Advanced Contact Angle Analyzer is an engineered solution for quantitative contact angle measurement on convex curved surfaces—specifically optimized for optical components such as spherical glass and high-refractive-index polymer lenses. Unlike conventional goniometers designed for flat substrates, the JC2000Y integrates a precision-machined circular sample stage with adjustable vertical travel and coaxial optical alignment to accommodate curvature-induced meniscus distortion. It operates on the sessile drop method, employing high-resolution side-view imaging (≥5 MP CMOS sensor), automated drop dispensing (1–10 µL resolution), and advanced edge-detection algorithms based on Young–Laplace fitting and ellipse-based contour modeling. The system delivers repeatable static and advancing/receding contact angle data under controlled ambient conditions (temperature ±0.5 °C, humidity <60% RH), supporting both manual and semi-automated workflows in QC laboratories.
Key Features
- Specialized circular sample stage (φ50–φ81 mm) with fine-height adjustment (0.1 mm increments) to ensure optical axis alignment with convex lens apex
- Dual-axis motorized stage positioning for precise lateral and vertical centering of spherical samples
- High-stability LED cold-light source with uniform illumination profile, minimizing thermal drift during extended measurement cycles
- Integrated micro-syringe pump with programmable dispensing volume (1–10 µL, ±0.1 µL repeatability) and low-torque actuation to prevent droplet oscillation
- Real-time image capture at up to 60 fps, enabling dynamic contact angle tracking during drop expansion or retraction
- Modular software architecture supporting user-defined analysis templates, batch processing, and export of raw image sequences with timestamped metadata
Sample Compatibility & Compliance
The JC2000Y is validated for direct contact angle measurement on convex optical elements with radii of curvature ranging from 5 mm to 200 mm—covering standard ophthalmic lenses, camera lens elements, and AR-coated optical substrates. Its mechanical design accommodates thicknesses from 5 mm to 30 mm, enabling full-thickness lens evaluation without sectioning. The instrument complies with key international standards for surface wettability characterization, including ISO 19403-2 (contact angle measurement by optical methods), ASTM D7334 (surface energy of solid plastics), and China’s GB/T 24368-2009 (determination of contact angle on solid surfaces). All measurement procedures support GLP-compliant documentation through audit-trail-enabled software logging (user login, parameter changes, image annotations, and result exports).
Software & Data Management
The proprietary POWEREACH Surface Analysis Suite (v4.2+) provides a calibrated, traceable workflow—from image acquisition to statistical reporting. Software modules include automatic baseline detection for curved substrates, multi-point contact angle mapping across lens surfaces, and hysteresis calculation (Δθ = θadv − θrec). Data files are stored in vendor-neutral formats (TIFF + CSV), with embedded EXIF metadata (camera settings, environmental conditions, operator ID). For regulated environments, optional 21 CFR Part 11 compliance packages are available, delivering electronic signatures, role-based access control, and immutable audit logs. Export options include PDF reports with embedded calibration certificates, Excel-compatible datasets, and direct integration with LIMS via RESTful API.
Applications
- Quality control of anti-reflective (AR), hydrophobic, and oleophobic coatings on finished spectacle lenses
- Surface energy assessment of injection-molded optical resins prior to hard-coating application
- Batch-to-batch consistency verification in multi-site lens manufacturing (e.g., HOYA Optical Group’s global production network)
- R&D evaluation of plasma treatment efficacy on PMMA and CR-39 lens substrates
- Validation of cleaning process effectiveness in IOL (intraocular lens) fabrication lines
- Interfacial compatibility testing between lens materials and mounting adhesives or packaging films
FAQ
Can the JC2000Y measure contact angles on concave or irregularly shaped lenses?
No—the mechanical and optical configuration is specifically engineered for convex spherical geometry. Concave or freeform surfaces require alternative instrumentation such as tilting-stage goniometers or captive bubble systems.
Is calibration traceable to NIST or other national metrology institutes?
Yes—standard calibration uses certified reference liquids (water, diiodomethane, ethylene glycol) with documented surface tension values traceable to NIST SRM 849a and ISO 8297. Optional factory calibration certificate includes uncertainty budget per GUM guidelines.
Does the system support dynamic contact angle measurement (e.g., advancing/receding angles)?
Yes—via programmable syringe displacement profiles synchronized with high-speed image capture. Advancing angle is measured during controlled drop growth; receding angle during controlled withdrawal.
What environmental controls are recommended during operation?
We recommend use within a temperature-stabilized lab (23 ± 0.5 °C) with laminar airflow and humidity ≤60% RH to minimize evaporation artifacts and thermal lensing effects.
Is remote operation or integration with automation lines supported?
Yes—Ethernet-based communication (TCP/IP) enables remote monitoring and command execution. PLC-triggered start/stop functionality and digital I/O ports allow seamless integration into automated lens inspection stations.
