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| Brand | HARKE |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic (China-made) |
| Model | HKCA-15 |
| Instrument Type | Benchtop Laboratory System |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Measurement Accuracy | ±0.1° |
| Sample Stage Dimensions | 100 mm × 100 mm |
| Optical Magnification | 0.75×–4.5× (Parfocal Zoom) |
| Surface/Interfacial Tension Measurement Range | 0–180° (via Sessile Drop Method) |
| Surface/Interfacial Tension Resolution | 0.01 mN/m (derived from contact angle and known liquid properties) |
| Imaging System | High-Resolution CMOS Camera with Real-Time Capture |
| Analysis Methods | Circle Fitting, Baseline-Circle Fitting |
| Image Processing Modes | Manual & Auto Edge Detection |
| Stage Translation | Vertical ±50 mm, Horizontal ±60 mm, Microscope Translation: ±10 mm (X-axis) |
| Overall Dimensions | 160 mm (W) × 880 mm (D) × 720 mm (H) |
| Frame Construction | Aerospace-Grade Aluminum Base with Four-Point Leveling Feet |
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