JC2000C Contact Angle measurement wetting Angle of water droplets Angle measurement instrument analyzer

 Introduction

JC2000C series of contact angle measuring instrument is mainly used for measurement of liquid to solid contact angle, namely the infiltrating liquid to solid, measuring Foreign Minister for the contact angle of the liquid. The instrument can measure the contact angle of various kinds of liquids, such as bulk materials, fiber materials, textile materials, etc., powder samples can be measured after the tablet press. At the same time, this series of instruments can measure and calculate the surface / interfacial tension, CMC, liquid drop shape size, surface free energy.

 Features

1 the use of computer multimedia technology, optical system and CCD camera, so that the image of the liquid droplets are clearly displayed on the computer screen, can be stored in a flash for measurement use, to avoid the measurement of liquid evaporation caused by failure.

3 has the instantaneous freeze, the automatic continuous photography, the high speed photography 2 kind of screenshots way, even if is the volatile liquid also can ensure the measurement precision. At the same time, the outer tangent line is the biggest factor of the subjective factor, the JC2000 series contact angle measuring instrument to do the geometric computation in the software, the contact angle no longer artificial judgment.

3 the overall structure of the instrument, including four dimensional motion adjustment mode.

 Technical parameter

1 Measuring Static / dynamic contact angle

A) (3 point method to do the plane, 4 points method to do the concave convex surface)

B () 5 point method curve fitting (to do forward angle, back angle)

C) method (Qie Xianfa)

2 measuring surface tension (drop method)

3 observe the shape size of the measuring drop method.

4 Calculation of the surface free energy (Owens two liquid calculation method)

5 measurement method:

A) instant freeze screenshot

B) interval (1 to 3600 seconds to capture 1 frames).

C) continuous shooting images (25 frames per second)

6 contact angle measuring range: 0180 degrees

7 image magnification: 50pixel/mm~318pixel/mm

8 accuracy: 0.1 degree or 0.5 degree (two)

9 fixed sample size, can be tested: 100 x 100mm2

10 sample lift range: 20mm

11 fixed sample platform: left and right move hand, travel 60mm up and down to move the manual, travel 50mm

12 lens: before and after moving hand, stroke 40mm

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