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| Brand | Hokuto Instruments (HOKUTOcn) |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | OEM Manufacturer |
| Product Category | Domestic |
| Model | CA/300 |
| Instrument Type | Benchtop Video-Based Optical Contact Angle Meter |
| Contact Angle Range | 0° < θ < 180° |
| Contact Angle Accuracy | ±0.1° |
| Contact Angle Resolution | 0.001° |
| Standard Sample Stage Size | 300 × 300 mm (customizable up to 1000 × 1000 mm) |
| Maximum Sample Dimensions | 300 mm (W) × ∞ (L) × 50 mm (H), customizable |
| Surface/Interfacial Tension Range | 0.1–2000 mN/m |
| Surface/Interfacial Tension Accuracy | ±0.01 mN/m |
| Surface/Interfacial Tension Resolution | 0.001 mN/m |
| [Brand | Beidou Instruments / HOKUTOcn |
|---|---|
| Origin | Dongguan, Guangdong, China |
| Manufacturer Type | OEM Manufacturer |
| Instrument Type | Benchtop Optical Contact Angle Meter |
| Measurement Principle | Digital Image Analysis (Sessile Drop, Pendant Drop, Tilting Plate) |
| Contact Angle Range | 0° < θ < 180° |
| Contact Angle Accuracy | ±0.1° |
| Angular Resolution | 0.001° |
| Surface/Interfacial Tension Range | 0.1–2000 mN/m |
| Surface/Interfacial Tension Accuracy | ±0.01 mN/m |
| Sample Stage Dimensions | 130 × 150 mm (customizable) |
| Max Sample Size | 200 mm (W) × ∞ (L) × 30 mm (H) |
| Imaging System | Sony 1/1.8″ Progressive Scan CMOS, 1280 × 1024 @ 80 fps, Rolling Shutter |
| Lens | 0.7×–4.5× Telecentric Contour Lens with ±2.5 mm Focus Adjustment |
| Light Source | Imported Industrial White Cold LED (400–760 nm), PWM + Software Brightness Control, >50,000 h Lifetime |
| Droplet Dispensing | Motorized Syringe Pump, 0.01–25 µL/s, 0.01 µL Precision, Programmable Multi-Point Sequencing |
| Software | CA V2.0 Static & Dynamic Contact Angle + Surface Energy Analysis Suite (Windows 10 64-bit)] |
| Brand | Beidou Instruments (HOKUTOcn) |
|---|---|
| Origin | Dongguan, Guangdong, China |
| Manufacturer Type | OEM Manufacturer |
| Instrument Category | Domestic |
| Model | CA100S |
| Price | USD 5,000 (approx.) |
| Instrument Type | Video-Based Optical Contact Angle Meter |
| Form Factor | Benchtop Laboratory System |
| Contact Angle Range | 0° < θ < 180° |
| Measurement Accuracy | ±0.1° |
| Angular Resolution | 0.001° |
| Standard Sample Stage | 130 × 150 mm (customizable) |
| Max Sample Dimensions | 200 (W) × ∞ (L) × 30 (H) mm |
| Imaging Sensor | 1/1.8″ Progressive Scan CMOS (1280 × 1024) |
| Frame Rate | 30 fps |
| Optical Zoom | 0.7×–4.5× |
| Droplet Dispensing Precision | ±0.1 µL |
| Dispensing Speed | 0.01–25 µL/s |
| Light Source | Industrial-grade white LED (400–760 nm), PWM-dimmable, >20,000 h lifetime |
| Power Supply | 220 V AC, 50–60 Hz |
| Power Consumption | 10 W |
| Dimensions (W × L × H) | 655 × 180 × 500 mm |
| Weight | 14 kg |
| Brand | Hokuto Instruments (HOKUTOcn) |
|---|---|
| Origin | Dongguan, Guangdong, China |
| Manufacturer Type | OEM/ODM Producer |
| Instrument Class | Video-Based Optical Contact Angle Analyzer |
| Form Factor | Benchtop Laboratory System |
| Contact Angle Range | 0° < θ < 180° |
| Contact Angle Accuracy | ±0.1° |
| Contact Angle Resolution | 0.001° |
| Sample Stage Dimensions | 130 × 150 mm (customizable) |
| Max Sample Size | 200 (W) × ∞ (L) × 30 (H) mm |
| Surface/Interfacial Tension Range | 0.1–2000 mN/m |
| Surface/Interfacial Tension Accuracy | ±0.01 mN/m |
| Tilt Mechanism | Motorized whole-stage tilting for advancing/receding angle and roll-off angle measurement |
| Imaging | Sony 1/1.8″ progressive-scan CMOS sensor (1280 × 1024), 80 fps, rolling shutter |
| Illumination | Imported industrial-grade cold white LED backlight (400–760 nm), PWM-dimmable, >50,000 h lifetime |
| Software | CA V2.0 Static/Dynamic Contact Angle & Surface Energy Analysis Suite (Windows 10 64-bit) |
| Calibration | Traceable certified angle standards (5°, 8°, 30°, 60°, 90°, 120° optional) |
| Data Management | Audit-trail-enabled reporting (PDF/Excel/Word), GLP-compliant history database, role-based user access (operator/admin) |
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