Empowering Scientific Discovery

Dah Chong Hong Scientific Instruments Co., Ltd.

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BrandBiolin Scientific
OriginFinland
ModelTheta Flow with 3D Topography Module
Instrument TypeBenchtop Video-Based Optical Contact Angle Analyzer
Contact Angle Range0–180°
Contact Angle Accuracy±0.01°
Contact Angle Resolution2592 × 2048 (5.3 MP)
Surface Tension Range0.01–2000 mN/m
Surface Tension Accuracy±0.01 mN/m
Sample Stage DimensionsUnlimited (L) × 100 mm (W) × 320 mm (D)
Max Sample SizeUnlimited (L) × 320 mm (W) × 22 mm (H)
Imaging Sensor5.3 MP CMOS, 2592 × 2048 pixels
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BrandBiolin Scientific
OriginFinland
ModelTheta Lite
Instrument TypeBenchtop Video Optical Contact Angle Analyzer
Contact Angle Measurement Range0–180°
Contact Angle Resolution0.01°
Contact Angle Accuracy±0.1° (standard), ±0.01° (high-precision mode)
Surface & Interfacial Tension Range0.01–2000 mN/m
Surface & Interfacial Tension Accuracy±0.1 mN/m (standard), ±0.01 mN/m (high-precision mode)
Camera Resolution1936 × 1216 pixels
Sample Stage Dimensions (L×W×H)495 × 130 × 310 mm
Max. Sample Weight Capacity5 kg
Image MagnificationFixed optical path with high-magnification telecentric lens system
Measurement ModesStatic CA, Advancing/Receding CA, Roll-off Angle, Surface Free Energy (Owens-Wendt, Wu, van Oss), Interfacial Tension, Batch Analysis, Roughness-Corrected CA, Single-Fiber CA
SoftwareOneAttension v4.x (FDA 21 CFR Part 11 compliant audit trail option available)
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BrandBiolin Scientific
OriginFinland
ModelTheta Flow Wafer
Instrument TypeBenchtop Video Optical Contact Angle Analyzer
Contact Angle Measurement RangeContact angle, surface tension, interfacial tension, surface free energy
Contact Angle Accuracy±0.1°
Sample Stage Sizes2", 3", 4", 5", 6", 8", 12" wafers
Image Resolution2592 × 2048 (5.3 MP)
Surface/Interfacial Tension Accuracy±0.1 mN/m (derived via pendant/sessile drop analysis)
Maximum Sample Diameter12-inch silicon wafer
Stage Load Capacity500 g
Automated FunctionsMotorized XYZ translation + programmable rotation (0–360°), four independent software-controlled dispensers with disposable tips
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BrandBiolin Scientific
OriginFinland
ModelTheta Flow HPC High Pressure Chamber
Instrument TypeBenchtop Laboratory System
Contact Angle Range0.1–179.9°
Contact Angle Accuracy±0.1°
Contact Angle Resolution2592 × 2048 (5.3 MP)
Surface/Interfacial Tension Range0.01–2000 mN/m
Surface/Interfacial Tension Accuracy±0.01 mN/m
Sample Stage DimensionsUnlimited × 100 mm × 320 mm
Maximum Sample Size765 mm × 230 mm × 435 mm
Stage Load Capacity29 kg
Imaging Sensor5.3 MP CMOS, 2592 × 2048 pixels
Pressure ControlAutomated via integrated precision pump
Temperature RangeAmbient to elevated temperatures (optional sub-ambient cooling available)
Chamber DesignPiston-driven high-pressure cell with corrosion-resistant wetted materials (e.g., Hastelloy C-276, sapphire windows)
Fluid HandlingDual-path intelligent injection valve for direct syringe-based dispensing and in-line cleaning without pump priming
Surface Activity PreservationPiston displacement maintains constant bulk-phase surfactant concentration during pressure ramping
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BrandBiolin Scientific
OriginFinland
ModelTheta Flow
Instrument TypeBenchtop Dynamic Contact Angle Analyzer
Contact Angle Range0–180°
Surface/Interfacial Tension Range0.01–2000 mN/m
Contact Angle Accuracy±0.01°
Contact Angle Resolution2592 × 2048 (5.3 MP)
Imaging SystemUSB 3.0 Digital Camera with 8× Optical Zoom & High-Power Monochromatic LED Illumination
Sample Stage Dimensions765 mm × 230 mm × 435 mm (W × D × H)
Maximum Sample Weight29 kg
Environmental MonitoringIntegrated Temperature & Humidity Sensors
Software PlatformOneAttension v4.x with Audit Trail, CFR 21 Part 11 Compliance Options
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BrandBiolin Scientific
OriginFinland
ModelTheta Flex
Instrument TypeVideo-Based Optical Contact Angle Analyzer
Contact Angle Measurement Range0–180°
Contact Angle Resolution0.01°
Contact Angle Accuracy±0.01°
Surface/Interfacial Tension Range0.01–2000 mN/m
Surface/Interfacial Tension Accuracy±0.01 mN/m
Sample Stage Dimensions100 mm × 320 mm
Maximum Sample Size (L×W×H)763 × 230 × 435 mm
Stage Load Capacity26 kg
Imaging SystemUSB 3.0 Digital Camera with 8× Zoom, High-Intensity Monochromatic LED Illumination
Image Resolution1936 × 1216 (optional Theta Flow high-speed camera available)
ComplianceDesigned for GLP/GMP environments
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