HM-JC2 Optical Contact Angle Tester | Peristaltic Micro-Dispensing

I. Product Overview

The HM-JC2 Optical Contact Angle Goniometer is a precision analytical instrument designed for the quantitative determination of contact angles formed at the liquid-solid interface. It is principally employed to characterize the wettability properties of solid material surfaces through optical imaging techniques. The instrument captures high-resolution droplet images via its optical system, and employs computational algorithms based on mathematical models to perform profile fitting of the droplet contour, yielding accurate contact angle values, surface/interfacial tension measurements, surface free energy calculations, and comprehensive wettability analyses.

II. Application Scope

The HM-JC2 is applicable across a broad spectrum of scientific research and industrial domains, including but not limited to:

• Materials science research

• Industrial coating and surface treatment

• Mobile device manufacturing

• Biomedical and pharmaceutical sciences

• Electronic circuit fabrication

• Textile and fiber engineering

• Petroleum extraction

• Aerospace engineering

III. Applicable Standards

1. JJF 2099-2024: Calibration Specification for Optical Contact Angle Measuring Instruments

2. GB/T 30693-2014: Measurement of Water Contact Angle on Plastic Films

3. GB/T 30447-2013: Contact Angle Measurement Method for Nano-Films

4. GB/T 42694-2023: Textiles - Detection and Evaluation of Surface Anti-Wetting Performance - Contact Angle and Rolling Angle Method

5. ASTM D724-1999 (2003): Standard Test Method for Surface Wettability of Paper (Contact Angle Method)

IV. Instrument Features

1. High-precision measurement with wide measurement range, supporting both contact angle measurement and surface/interfacial tension measurement.

2. Multi-functional analysis modules with multiple fitting algorithms and measurement modes; integrated surface energy and wettability analysis capabilities.

3. High-density LED cold light illumination system providing uniform illumination, enhanced image clarity, and extended operational lifespan.

4. Three-axis manually adjustable precision sample stage enabling flexible operation and accurate positioning; customizable stage dimensions to accommodate various specimen sizes.

5. High-definition imaging system incorporating an industrial-grade camera with continuously variable zoom telecentric lens, ensuring stable image acquisition and superior image quality.

6. Precision peristaltic pump liquid dispensing system with software-controlled automatic dispensing capability, manual dispensing option, and dispensing precision of 0.1 μL.

7. Advanced analysis software with one-click fully automatic fitting capability, supporting multiple fitting methodologies to accurately characterize diverse droplet morphologies.

8. Integrated database management system for unified storage and retrieval of all historical measurement data including contact angles, surface tension, and surface free energy; data is preserved through power interruptions, with support for real-time data review, comparative analysis, and re-export functionality.

V. Technical Specifications

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