HARKE-SPCAX3 Video Optical Contact Angle Tester

NegotiableUpdate on 02/13

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

Online Consult

Overview

Brief description: The video optical contact angle tester is developed and manufactured by Beijing Hake. The contact angle is not complicated, it is the semi-circular shape naturally formed by liquid droplets on the surface of a solid relative to the outer tangent of the solid plane. The application of contact angle is very extensive, and it can even be said to involve every detail around us. For example, we hope that the car glass will not be stained with rain, but conversely, we hope that the paint on the car steel plate will peel off. Other areas such as pesticides and vegetable leaves, coatings and interior and exterior walls, insulating oils and materials, surface modification of nanomaterials, and so on, are countless from teaching and research, industrial and agricultural production to daily life.

Product Details

brand	HARKE/HARKE	Image magnification ratio	xxx
Fixed sample table size	xxxmm	Origin category	domestic
Price range	20000 to 50000	Instrument type	Video Optical Contact Angle Tester
Instrument Type	Laboratory desktop	application area	Chemical, petroleum, electronics, printing and packaging, textile and leather

Video Optical Contact Angle TesterTesting method:

There are usually two existing testing methods for contact angle: one is the shape image analysis method; The second method is the weighing method The latter is commonly referred to as a wetting balance or a permeation contact angle meter However, currently widely used, the direct and accurate measurement method is still the shape image analysis method The principle of the shape image analysis method is to drop liquid droplets onto the surface of a solid sample, obtain the shape image of the droplets through a microscope lens and camera, and then use digital image processing and some algorithms to calculate the contact angle of the droplets in the image The method of calculating contact angle is usually based on a specific mathematical model, such as a droplet being considered as a part of a sphere or cone, and then the contact angle value is calculated by measuring specific parameters such as width/height or by direct fitting. The Young Laplace equation describes the relationship between the internal and external pressure difference of a closed interface and the curvature and tension of the interface, which can be used to accurately describe the contour of an axisymmetric droplet and calculate its contact angle.

HARKE-SPCA-X3Product parameters of contact angle measuring instrument

lSample table size: 100mm * 120mm

lContact angle measurement range: 0-180 °

lContact angle display accuracy: ± 0.01 °

lContact angle measurement accuracy: ±. 1 °

lSurface/interface tension measurement range: 0-1000mN/m

lOptical system: 0.7X-5X high-definition card zoom lens

lVideo system: USB 3.0 camera+PC soft control 40 frames per second (optional 100 frames per second, 300 frames per second, 1000 frames per second or higher)

lInstrument dimensions: 300mm * 760mm

lCamera movement stroke: 30mm

lInstrument weight: 30kg

lMeasurement software: SPCA1.0

lPower supply: 220V 3A50Hz

lMeasurement temperature: room temperature

lMeasurement methods: 8 methods including circular ring method, ellipse method, height width method, etc. are provided

lElectric positioning accuracy: ± 0.1mm

lInjection system movement stroke: 30mm

HARKE-SPCA-X3Basic functions of contact angle measuring instrument

lAutomatic droplet recognition+delay

lAutomatic droplet formation