Contact Angle Meter
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| Brand | HARKE |
|---|---|
| Model | HARKE-10C |
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Instrument Type | Benchtop Dynamic Contact Angle Analyzer |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Accuracy | ±0.1° |
| Sample Stage Dimensions | 400 mm × 400 mm |
| Optical Magnification | 0.7× to 4.5× |
| Surface/Interfacial Tension Range | 0–1000 mN/m |
| Surface/Interfacial Tension Resolution | 0.01–2000 mN/m |
| Imaging System | USB 3.0 Camera, 30 fps (optional up to 1000 fps) |
| Software | SPCA 1.0 |
| Measurement Methods | Circle, Ellipse, Height-Width, Young-Laplace Fitting, and 5 additional algorithms |
| Droplet Dispensing Precision | ±0.1 mm |
| Vertical Lens Travel | 30 mm |
| Power Supply | 220 V, 3 A, 50 Hz |
| Weight | 30 kg |
| Footprint | 300 mm × 760 mm |
| Brand | HARKE |
|---|---|
| Model | HARKE-OCPC |
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Instrument Type | Benchtop Laboratory System |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Accuracy | ±0.1° |
| Sample Stage Dimensions | 100 mm × 120 mm |
| Optical Magnification | 0.7×–4.5× |
| Surface/Interfacial Tension Range | 0–1000 mN/m |
| Surface/Interfacial Tension Resolution | 0.01 mN/m |
| Imaging System | USB 3.0 High-Speed Camera (30 fps standard |
| Software | SPCA 1.0 |
| Measurement Methods | Sessile Drop, Tilting Plate (Roll-Off Angle), Pendant Drop, Oscillating Drop, Circle/Ellipse/Height-Width Fitting, and 8+ algorithmic models |
| Stage Positioning Accuracy | ±0.1 mm |
| Syringe Translation Travel | 30 mm |
| Lens Vertical Travel | 30 mm |
| Power Supply | 220 V, 3 A, 50 Hz |
| Operating Temperature | Ambient |
| Weight | 30 kg |
| Footprint | 300 mm × 760 mm |
| Brand | HARKE |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic (China-made) |
| Model | HARKE-PV35S |
| Instrument Class | Video Optical Contact Angle Analyzer |
| Form Factor | Benchtop Laboratory System |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Accuracy | ±0.1° |
| Sample Stage Dimensions | 350 mm × 350 mm |
| Optical Magnification | 0.75×–4.5× (parfocal zoom) |
| Surface/Interfacial Tension Range | 0–1000 mN/m |
| Surface/Interfacial Tension Accuracy | ±0.1 mN/m |
| Brand | HARKE |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Model | HARKE-SPC A |
| Instrument Type | Benchtop Laboratory System |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Accuracy | ±0.1° |
| Sample Stage Dimensions | 100 mm × 120 mm |
| Optical Magnification | 0.7×–4.5× |
| Surface/Interfacial Tension Range | 0–1000 mN/m |
| Surface/Interfacial Tension Resolution | 0.01 mN/m |
| Imaging System | USB 3.0 Camera, Software-Controlled at 30 fps (Optional: 100/300/1000+ fps) |
| Measurement Methods | Circle Fitting, Ellipse Fitting, Height-Width, Young-Laplace Fitting, Spline, Polynomial, Axisymmetric Drop Shape Analysis (ADSA), and Tangent Method |
| Software | SPCA 1.0 |
| Power Supply | 220 V, 3 A, 50 Hz |
| Operating Temperature | Ambient |
| Positioning Accuracy (X/Y/Z) | ±0.1 mm |
| Total Weight | 30 kg |
| Footprint | 300 mm × 760 mm |
| Lens Vertical Travel | 30 mm |
| Syringe Dispenser Travel | 30 mm |
| Brand | HARKE |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | HARKE-SPCA |
| Instrument Type | Benchtop Laboratory System |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Measurement Accuracy | ±0.01° |
| Fixed Sample Stage Dimensions | 120 mm × 120 mm |
| Optical Magnification | 0.7×–4.7× |
| Surface/Interfacial Tension Measurement Range | 0–1000 mN/m |
| Surface/Interfacial Tension Measurement Accuracy | ±0.01 mN/m |
| Droplet Formation Method | Sessile Drop |
| Analysis Methods | Tangent, Circle Fitting, Baseline-Circle Hybrid |
| Image Processing Modes | Manual & Auto Edge Detection |
| Adhesion Work & Spreading Coefficient Calculation | Yes |
| CMOS Imaging System | High-Resolution Digital Camera with Real-Time Capture |
| Video Functionality | Record, Playback, Frame-by-Frame Extraction, Timed Snapshot Capture |
| Stage Translation Ranges | Vertical (50 mm + 50 mm extension), Horizontal (X: 60 mm, Y: 30 mm), Fixed Plate Translation (Y: 150 mm) |
| Syringe Translator | Vertical (80 mm), Horizontal (60 mm) |
| Microscope Translator | Y-axis (80 mm) |
| Max Sample Thickness | 80 mm |
| Overall Dimensions | 230 mm (W) × 600 mm (D) × 650 mm (H) |
| Brand | HARKE |
|---|---|
| Model | HARKE-SPCA-P |
| Type | Benchtop Video Optical Contact Angle Analyzer |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Accuracy | ±0.1° |
| Stage Dimensions | 100 mm × 120 mm |
| Optical Zoom | 0.7×–4.5× |
| Surface/Interfacial Tension Range | 0–1000 mN/m |
| Surface/Interfacial Tension Resolution | 0.01 mN/m |
| Imaging Frame Rate | Up to 1000 fps (optional) |
| Software | SPCA 1.0 |
| Power Supply | 220 V, 3 A, 50 Hz |
| Weight | 30 kg |
| Operating Temperature | Ambient |
| Brand | HARKE |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Model | HARKE-SPCA-X |
| Pricing | Upon Request |
| Instrument Class | Video Optical Contact Angle Meter |
| Form Factor | Benchtop Laboratory System |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Accuracy | ±0.1° |
| Fixed Sample Stage Dimensions | 100 mm × 120 mm |
| Optical Magnification | 0.7×–4.5× |
| Surface/Interfacial Tension Range | 0–1000 mN/m |
| Surface/Interfacial Tension Resolution | 0.01 mN/m |
| Brand | HARKE |
|---|---|
| Model | HARKE-SPCAk |
| Type | Video-Based Optical Contact Angle Analyzer |
| Form Factor | Benchtop Laboratory Instrument |
| Contact Angle Range | 0–180° |
| Contact Angle Accuracy | ±0.1° |
| Contact Angle Resolution | ±0.01° |
| Sample Stage Dimensions | 100 mm × 120 mm |
| Optical Zoom Magnification | 0.7×–4.5× |
| Surface/Interfacial Tension Range | 0–1000 mN/m |
| Surface/Interfacial Tension Resolution | 0.01 mN/m |
| Imaging System | USB 3.0 High-Speed Camera (30 fps standard |
| Software | SPCA1.0 |
| Power Supply | 220 V, 3 A, 50 Hz |
| Weight | 30 kg |
| Footprint | 300 mm × 760 mm |
| Lens Vertical Travel | 30 mm |
| Syringe Dispenser Vertical Travel | 30 mm |
| Positioning Accuracy (X/Y/Z) | ±0.1 mm |
| Measurement Methods | Circle Fitting, Ellipse Fitting, Height-Width Method, and 5 additional algorithmic approaches |
| Temperature Condition | Ambient |
| Brand | HARKE |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Model | HARKE-SPCAX |
| Instrument Kind | Video Optical Contact Angle Analyzer |
| Instrument Type | Benchtop Laboratory System |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Measurement Accuracy | ±0.5° |
| Fixed Sample Stage Dimensions | 100 mm × 120 mm |
| Image Magnification | 0.7×–4.5× |
| Surface/Interfacial Tension Measurement Range | 0–1000 mN/m |
| Surface/Interfacial Tension Measurement Accuracy | ±0.01 mN/m |
| Contact Angle Resolution | 0.1° |
| Brand | HARKE |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop Video Optical Contact Angle Analyzer |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Accuracy | ±0.1° |
| Sample Stage Dimensions | 120 mm × 120 mm |
| Optical Magnification | 0.7×–4.7× (parfocal zoom) |
| Surface/Interfacial Tension Range | 0–1000 mN/m |
| Surface/Interfacial Tension Accuracy | ±0.01 mN/m |
| Measurement Methods | Sessile Drop, Tilting Plate (Roll-off), Captive Bubble |
| Analysis Algorithms | Tangent, Circle Fit, Ellipse Fit, Local Profile Fitting, Full Profile Fitting, Young–Laplace Fitting, Dynamic Tracking, Goniometric Ruler |
| Image Processing | Dual-mode (manual + auto-edge detection) |
| Surface Energy Calculation Models | Zisman, Fowkes, Owens–Wendt, Wu, van Oss–Chaudhury–Good |
| Motorized XYZ Stage (Stage Travel | X±50 mm, Y±30 mm, Z±50 mm |
| Fixed Plate Translation | ±150 mm Y-axis) |
| Precision Syringe Pump (Auto Dispensing | 250 µL range, ±0.1 µL accuracy |
| Manual Mode | 2 mL range, ±0.1 µL accuracy) |
| Overall Dimensions | 230 mm (W) × 640 mm (D) × 750 mm (H) |
| Weight | 38 kg |
| Brand | HARKE |
|---|---|
| Model | HARKE-SPCAX3 |
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Instrument Type | Benchtop Laboratory System |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Accuracy | ±0.1° |
| Fixed Sample Stage Dimensions | 120 mm × 120 mm |
| Optical Magnification | 0.7×–4.7× |
| Surface/Interfacial Tension Range | 0–1000 mN/m |
| Surface/Interfacial Tension Accuracy | ±0.1 mN/m |
| Measurement Methods | Sessile Drop, Tilting Plate (Roll-off), Immersion (Fiber/Sheet), Captive Bubble |
| Analysis Algorithms | Tangent, Circle, Ellipse, Local Profile Fitting, Full Profile Fitting, Young–Laplace Fitting, Dynamic Tracking, Curve Ruler Method |
| Surface Energy Calculation Models | Zisman, Fowkes, Owens–Wendt–Rabel–Kaelble (OWRK) |
| Imaging System | High-Resolution CMOS Camera with Real-Time Recording & Frame Capture |
| Motorized Precision Dispensing | 1000 µL Range, ±0.1 µL Resolution |
| Manual Syringe Module | 2 mL Range, ±0.1 µL Resolution |
| Stage Motion | Vertical (Auto: 0–30 mm |
| Manual | 0–80 mm), Horizontal X/Y (50 mm / 30 mm), Extended Translation (150 mm Front–Back) |
| Integrated Heating Stage | Optional |
| Max Sample Thickness | 80 mm |
| Overall Dimensions | 230 mm (W) × 640 mm (D) × 750 mm (H) |
| Brand | HARKE |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Model | HK-10 |
| Instrument Class | Video Optical Contact Angle Meter |
| Form Factor | Benchtop Laboratory System |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Accuracy | ±0.1° |
| Sample Stage Dimensions | 100 × 100 mm |
| Optical Magnification | 0.5×–0.7× (Stepped Zoom Lens) |
| Surface/Interfacial Tension Range | 0–1000 mN/m |
| Surface/Interfacial Tension Accuracy | ±0.01 mN/m |
| Measurement Methods | Sessile Drop, Captive Bubble, Immersion, Tilting Plate (Sliding Angle), Expansion/Contraction, Rolling-off |
| Surface Tension Methods | Pendant Drop, Ring (Du Noüy), Wilhelmy Plate, Maximum Bubble Pressure, Drop Volume |
| Software | HKCA10 v3.x |
| Camera Interface | USB 3.0 |
| Frame Rate | Up to 1000 fps (Optional High-Speed Modules) |
| Power Supply | 220 V / 3 A / 50 Hz |
| Operating Temperature | Ambient (Optional Thermostatic or Heated Stage) |
| Brand | HARKE |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Model | HK-15 |
| Instrument Kind | Video-Based Optical Contact Angle Analyzer |
| Instrument Form Factor | Benchtop Laboratory System |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Measurement Accuracy | ±0.1° |
| Sample Stage Dimensions | 100 × 100 mm |
| Optical Magnification | 0.7×–4.5× |
| Surface/Interfacial Tension Measurement Range | 0–1000 mN/m |
| Surface/Interfacial Tension Measurement Accuracy | ±0.01 mN/m |
| Imaging Frame Rate (Standard) | 40 fps (USB 3.0) |
| Optional | 100/300/1000+ fps |
| Software | HKCA10 |
| Measurement Methods | Sessile Drop, Captive Bubble, Immersion, Tilting Plate (Sliding Angle), Expansion–Contraction, Rolling-off |
| Surface Energy Calculation | Owens–Wendt, Wu, Fowkes, van Oss–Chaudhury–Good models |
| Tension Method | Pendant Drop |
| Temperature Environment | Ambient (optional heated/cooled stage or thermostatic enclosure) |
| Power Supply | 220 V / 3 A / 50 Hz |
| Weight | 25 kg |
| Dimensions (W × H × D) | 160 × 710 × ? mm (depth not specified) |
| Brand | HARKE |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Model | HK-20 |
| Instrument Type | Benchtop Laboratory System |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Measurement Accuracy | ±0.1° |
| Fixed Sample Stage Dimensions | 100 × 100 mm |
| Optical Magnification | 0.5×–0.7× (stepped zoom lens) |
| Surface/Interfacial Tension Measurement Range | 0–1000 mN/m |
| Surface/Interfacial Tension Measurement Resolution | 0.01 mN/m |
| Imaging Frame Rate | Up to 1000 fps (optional) |
| Software | HKCA20 v4.x |
| Measurement Methods | Sessile Drop, Captive Bubble, Immersion, Tilting Plate, Expansion–Contraction, Rolling-off, Elliptical Fitting, Circular Fitting, and Advanced Dynamic Analysis Modules |
| Brand | HARKE |
|---|---|
| Model | HK-EVM-SPCA |
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop Laboratory Goniometer |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Accuracy | ±0.1° |
| Contact Angle Resolution | 0.01° |
| Sample Stage Dimensions | 400 mm × 400 mm (standard) |
| Optical Zoom Ratio | 0.7×–4.5× |
| Surface/Interfacial Tension Measurement Range | 0–1000 mN/m |
| Surface/Interfacial Tension Accuracy | ±0.01 mN/m |
| Imaging System | USB 2.0 high-speed camera (30 fps standard |
| Lens Travel | 120 mm |
| Dimensions (W×D×H) | 260 mm × 700 mm × — mm (height not specified) |
| Weight | ~30 kg |
| Software | HARKE-SPCA v1.0 |
| Power Supply | 220 V / 3 A / 50 Hz |
| Operating Temperature | Ambient |
| Surface Energy Analysis Method | Equation of State (EOS) |
| Fitting Algorithms | Circle, Ellipse, Young-Laplace (Sessile Drop & Pendant Drop), SCA (Solid Contact Angle) |
| Optional Accessories | Motorized Tilt Stage, Peltier-based Heating Stage, Automated Syringe Pump Module |
| Compliance | Designed for ISO 19403-2, ASTM D7334, and ISO 21365-compliant workflows |
| Brand | HARKE |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Model | HK-EY-SPCA |
| Instrument Type | Benchtop Laboratory System |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Measurement Accuracy | ±0.1° |
| Contact Angle Display Resolution | 0.01° |
| Sample Stage Dimensions | 400 mm × 400 mm |
| Optical Magnification | 0.7×–4.5× |
| Surface/Interfacial Tension Measurement Method | Pendant Drop |
| Surface/Interfacial Tension Range | 0–100 mN/m |
| Surface/Interfacial Tension Accuracy | 0.01 mN/m |
| Imaging System | USB 2.0 Camera (30 fps standard |
| Lens Travel | 120 mm |
| Dimensions (W × D × H) | 260 mm × 700 mm × — mm |
| Weight | ~30 kg |
| Software | HARKE-SPCA v1.0 |
| Power Supply | 220 V / 3 A / 50 Hz |
| Operating Temperature | Ambient |
| Surface Energy Analysis Method | Equation of State (EOS), Circle Fit, Ellipse Fit, Small-Drop Method |
| Additional Capabilities | Advancing/Receding Angle, Roll-off Angle, Contact Angle Hysteresis, Dynamic Wetting Kinetics, Submerged Drop (Adhesion Drop), Solid Surface Free Energy Decomposition (Polar/Dispersive Components) |
| Brand | HARKE |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Model | HK-SPCA |
| Instrument Class | Benchtop Laboratory Contact Angle Analyzer |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Measurement Accuracy | ±0.1° |
| Contact Angle Display Resolution | 0.01° |
| Sample Stage Dimensions | 400 mm × 400 mm (standard) |
| Optical Zoom Ratio | 0.7×–4.5× |
| Surface/Interfacial Tension Measurement Method | Pendant Drop |
| Surface/Interfacial Tension Range | 0–1000 mN/m |
| Surface/Interfacial Tension Accuracy | ±0.01 mN/m |
| Imaging System | ZF-180 High-Resolution Stepping Zoom Lens + USB 2.0 Camera (30 fps standard |
| optional | 100/300/1000+ fps) |
| Software | HARKE-SPCA v1.0 |
| Surface Energy Calculation Methods | Equation of State (EOS), Circle Fit, Ellipse Fit, Small-Drop Method |
| Environmental Operation | Ambient Temperature |
| Power Supply | 220 V AC / 3 A / 50 Hz |
| Instrument Dimensions | 260 mm × 700 mm × (height not specified) |
| Lens Vertical Travel | 120 mm |
| Net Weight | ~30 kg |
| Compliance | Designed for GLP-aligned workflows |
| Brand | HARKE |
|---|---|
| Model | HK-SPCA |
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop Laboratory System |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Measurement Accuracy | ±0.1° |
| Contact Angle Display Resolution | 0.01° |
| Sample Stage Dimensions | 400 mm × 400 mm |
| Optical Zoom Magnification | 0.7×–4.5× |
| Surface/Interfacial Tension Measurement Range | 0–1000 mN/m |
| Surface/Interfacial Tension Measurement Accuracy | ±0.01 mN/m |
| Imaging System | ZF-180 High-Resolution Stepping Zoom Lens + USB 2.0 Camera (30 fps standard |
| Software | HARKE-SPCA v1.0 |
| Surface Energy Analysis Method | Equation of State (EOS), Circle Fit, Ellipse Fit, Sessile Drop Small-Drop Method |
| Tension Analysis Method | Pendant Drop |
| Power Supply | 220 V / 3 A / 50 Hz |
| Weight | ~30 kg |
| Footprint | 260 mm × 700 mm |
| Lens Vertical Travel | 120 mm |
| Brand | HARKE |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Model | HK-SPCA X1 |
| Instrument Kind | Video Optical Contact Angle Meter |
| Instrument Type | Benchtop Laboratory System |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Accuracy | ±0.5° |
| Sample Stage Dimensions | 100 mm × 120 mm |
| Optical Magnification | 0.7×–4.5× |
| Surface/Interfacial Tension Range | 0–1000 mN/m |
| Surface/Interfacial Tension Resolution | 0.01 mN/m |
| Brand | HARKE |
|---|---|
| Model | HK-SPCA-1 |
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Instrument Type | Benchtop Laboratory System |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Measurement Accuracy | ±0.1° |
| Contact Angle Display Resolution | 0.01° |
| Sample Stage Dimensions | 400 mm × 400 mm |
| Optical Zoom Magnification | 0.7×–4.5× |
| Surface/Interfacial Tension Measurement Range | 0–1000 mN/m |
| Surface/Interfacial Tension Accuracy | ±0.01 mN/m |
| Imaging System | USB 2.0 High-Speed Camera (30 fps standard |
| Lens Travel | 120 mm |
| Dimensions (W×D×H) | 260 mm × 700 mm × — mm |
| Weight | ~30 kg |
| Power Supply | 220 V / 3 A / 50 Hz |
| Operating Temperature | Ambient |
| Surface Energy Calculation Method | Equation of State (EOS) |
| Fitting Algorithms | Circle, Ellipse, Young-Laplace, Sessile Drop, Captive Bubble, Tilting Plate |
| Tension Method | Pendant Drop |
| Software Version | HARKE-SPCA 1.0 |
| Brand | HARKE |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop Laboratory Goniometer |
| Measurement Principle | Optical Imaging & Contour Analysis |
| Contact Angle Range | 0–180° |
| Contact Angle Resolution | ±0.01° |
| Contact Angle Accuracy | ±0.1° |
| Surface/Interfacial Tension Range | 0–1000 mN/m |
| Optical System | 0.7×–5× Motorized Zoom Lens with Fixed-Position Calibration |
| High-Speed Imaging | USB 3.0 Camera (30 fps standard |
| Sample Stage Dimensions | 100 mm × 120 mm |
| Lens Vertical Travel | 30 mm |
| Syringe Dispenser Travel | 30 mm |
| Positioning Accuracy (Motorized XYZ) | ±0.1 mm |
| Software | SPCA 1.0 (Windows-based, GLP-compliant data logging) |
| Power Supply | 220 V, 3 A, 50 Hz |
| Dimensions (W×D×H) | 300 mm × 760 mm × — mm |
| Weight | 30 kg |
| Measurement Methods | Circle Fitting, Ellipse Fitting, Height-Width Method, and 5 Additional Algorithmic Models (Total 8) |
| Brand | HARKE |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Model | HK-SPCA-Y |
| Instrument Form Factor | Benchtop Laboratory System |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Resolution | 0.01° |
| Sample Stage Dimensions | 400 × 400 mm |
| Optical Magnification | 0.7× to 4.5× |
| Surface/Interfacial Tension Range | 0–100 mN/m |
| Surface/Interfacial Tension Resolution | 0.01 mN/m |
| Brand | HARKE |
|---|---|
| Model | HK-SPCA1 |
| Instrument Type | Benchtop Video Optical Contact Angle Analyzer |
| Contact Angle Range | 0–180° |
| Contact Angle Accuracy | ±0.1° |
| Contact Angle Resolution | 0.01° |
| Stage Dimensions | 400 × 400 mm |
| Optical Magnification | 0.7×–4.5× |
| Surface/Interfacial Tension Range | 0–100 mN/m |
| Surface/Interfacial Tension Accuracy | ±0.01 mN/m |
| Imaging Speed | Up to 1000 fps (optional) |
| Imaging Interface | USB 2.0 |
| Lens Travel | 120 mm |
| Power Supply | 220 V / 3 A / 50 Hz |
| Weight | ~30 kg |
| Software | HARKE-SPCA1.0 |
| Temperature Control | Ambient (optional electrically heated stage & motorized tilt platform) |
| Brand | HARKE |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | HK-SPCAS |
| Instrument Type | Benchtop Laboratory System |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Measurement Accuracy | ±0.1° |
| Contact Angle Display Resolution | 0.01° |
| Sample Stage Dimensions | 400 mm × 400 mm |
| Optical Zoom Magnification | 0.7×–4.5× |
| Surface/Interfacial Tension Measurement Method | Pendant Drop Method |
| Surface/Interfacial Tension Range | 0–1000 mN/m |
| Surface/Interfacial Tension Accuracy | 0.01 mN/m |
| Imaging System | USB 2.0 High-Speed Camera (30 fps standard |
| Lens Travel | 120 mm |
| System Dimensions | 260 mm × 700 mm (W × H) |
| Weight | ~30 kg |
| Software | HARKE-SPCA v1.0 |
| Power Supply | 220 V / 3 A / 50 Hz |
| Operating Temperature | Ambient |
| Surface Energy Calculation Methods | Equation of State (EOS), Circle Fitting, Ellipse Fitting, Small-Drop Method |
| Compliance | ASTM D7334, ISO 19403-2, ISO 19403-3, ISO 14210, USP <1058> (for instrument qualification framework) |
| Brand | HARKE |
|---|---|
| Model | HK-SPCAX1 |
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Instrument Type | Benchtop Video-Based Optical Contact Angle Analyzer |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Accuracy | ±0.1° |
| Contact Angle Resolution | ±0.01° |
| Sample Stage Dimensions | 100 mm × 120 mm |
| Optical Zoom Ratio | 0.7×–5× (Stepped Zoom Lens) |
| Surface/Interfacial Tension Range | 0–1000 mN/m |
| Surface/Interfacial Tension Resolution | 0.01 mN/m |
| Imaging System | USB 3.0 High-Speed Camera (Standard: 30 fps |
| Optional | 100/300/1000+ fps) |
| Frame Rate Control | Software-Triggered Synchronization |
| Lens Vertical Travel | 30 mm |
| Syringe Dispenser Vertical Travel | 30 mm |
| Positioning Accuracy (Motorized Options) | ±0.1 mm |
| Software | SPCA 1.0 (Windows-based, GLP-compliant audit trail optional) |
| Power Supply | 220 V AC, 3 A, 50 Hz |
| Ambient Operating Temperature | 15–30 °C |
| Measurement Methods | Circle Fitting, Ellipse Fitting, Height-Width Method, Sessile Drop, Pendant Drop, Captive Bubble, Tilting Plate, and Dynamic Advancing/Receding via Expansion-Contraction or Slide-Off |
| Optional Modules | Interfacial Tension (Pendant Drop), Dynamic Contact Angle (Advancing/Receding), Sliding Angle, Solid Surface Free Energy Calculation (Owens-Wendt, Wu, van Oss-Chaudhury-Good) |
| Brand | HARKE |
|---|---|
| Model | HK-SPCAX2 |
| Type | Benchtop Video Optical Contact Angle Analyzer |
| Contact Angle Range | 0–180° |
| Contact Angle Accuracy | ±0.1° |
| Contact Angle Resolution | ±0.01° |
| Stage Dimensions | 100 mm × 120 mm |
| Lens Magnification | 0.7×–5× (stepped zoom) |
| Surface/Interfacial Tension Range | 0–1000 mN/m |
| Surface/Interfacial Tension Resolution | 0.01 mN/m |
| Imaging System | USB 3.0 CMOS camera, 30 fps standard (optional: 100/300/1000+ fps) |
| Droplet Dispensing Precision | ±0.1 mm |
| Vertical Lens Travel | 30 mm |
| Instrument Dimensions | 300 mm × 760 mm × 520 mm (W × H × D) |
| Weight | 30 kg |
| Power Supply | 220 V, 3 A, 50 Hz |
| Operating Temperature | Ambient |
| Analysis Methods | Circle, Ellipse, Height-Width, Spline, Young-Laplace Fitting, Tangent, Baseline-Independent, and Dynamic Advancing/Receding (Sessile Drop Expansion/Contraction & Tilting) |
| Software | SPCA 1.0 with GLP-compliant audit trail, automated droplet recognition, time-resolved contact angle kinetics, and surface free energy calculation modules (Owens-Wendt, Wu, Fowkes, van Oss-Chaudhury-Good) |
| Brand | HARKE |
|---|---|
| Model | HK-SPCAZ |
| Type | Benchtop Video Optical Contact Angle Analyzer |
| Contact Angle Range | 0–180° |
| Contact Angle Accuracy | ±0.1° |
| Contact Angle Display Resolution | ±0.01° |
| Surface/Interfacial Tension Range | 0–1000 mN/m |
| Surface/Interfacial Tension Accuracy | ±0.01 mN/m |
| Sample Stage Dimensions | 100 mm × 120 mm |
| Lens Magnification | 0.7×–5× (ZF-180 Precision Stepping Zoom Lens) |
| Imaging Speed | Up to 1000 fps (USB 2.0 camera, configurable: 30/100/300/1000 fps) |
| Lens Vertical Travel | 120 mm |
| Instrument Dimensions | 260 mm × 700 mm × (height not specified) |
| Weight | ~30 kg |
| Power Supply | 220 V / 3 A / 50 Hz |
| Temperature Control | Integrated Electric Heating Stage |
| Surface Energy Calculation Method | Equation of State (EOS) |
| Interfacial Tension Method | Pendant Drop |
| Contact Angle Fitting Algorithms | Circle Fit, Ellipse Fit, Young–Laplace Fitting (Sessile Drop), Captive Bubble |
| Optional Accessories | Manual or Motorized Tilting Stage |
| Brand | HARKE |
|---|---|
| Model | HKCA-10 |
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Instrument Type | Benchtop Laboratory System |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Accuracy | ±0.1° |
| Sample Stage Dimensions | 100 × 100 mm |
| Optical Magnification | 0.5×–0.7× Fixed-Position Zoom Lens |
| Surface/Interfacial Tension Range | 0–1000 mN/m |
| Surface/Interfacial Tension Resolution | 0.01 mN/m |
| Imaging System | USB 3.0 Camera, Software-Controlled Frame Rate (40 fps standard |
| optional | 100/300/1000+ fps) |
| Measurement Methods | Sessile Drop, Captive Bubble, Immersion, Tilting Plate (Sliding Angle), Expansion–Contraction, Rolling-off |
| Surface Energy Calculation | Owens–Wendt, Wu, Fowkes, van Oss–Chaudhury–Good models |
| Software | HKCA10 v3.x with Real-Time Dynamic Analysis, Auto-Drop Initiation, Time-Resolved Curve Export, and GLP-Compliant Audit Trail (Optional FDA 21 CFR Part 11 Module) |
| Brand | HARKE |
|---|---|
| Model | HKCA-15 |
| Type | Benchtop Laboratory Contact Angle & Surface Tension Analyzer |
| Origin | Beijing, China |
| Manufacturer | HARKE Instrument Co., Ltd. |
| Contact Angle Range | 0–180° |
| Contact Angle Accuracy | ±0.1° |
| Contact Angle Resolution | 0.01° |
| Sample Stage Dimensions | 400 × 400 mm |
| Optical Magnification | 0.7×–5× (ZF-180 precision stepped zoom lens) |
| Surface/Interfacial Tension Range | 0–1000 mN/m |
| Surface/Interfacial Tension Accuracy | ±0.1 mN/m |
| Measurement Methods | Sessile Drop, Pendant Drop, Captive Bubble, Tilting Plate, and Dynamic Contact Angle (Advancing/Receding) |
| Surface Energy Calculation Method | Equation of State (EOS), OWRK, Wu, van Oss-Chaudhury-Good |
| Software | HARKE-SPCA v1.0 (Windows-based, real-time video capture & analysis) |
| Camera | USB 2.0 high-speed CMOS, standard 30 fps (optional up to 1000 fps) |
| Lens Travel | 120 mm vertical adjustment |
| Dimensions (W × D × H) | 260 × 700 × 650 mm |
| Weight | ~30 kg |
| Power Supply | 220 V AC / 3 A / 50 Hz |
| Operating Temperature | Ambient (15–30 °C) |
| Compliance | ASTM D7490, ISO 19403-2/-3, ISO 21320-1, USP <1057>, GLP-compliant audit trail logging (software-enabled) |
| 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 |