KYOWA DY-700 Force Tensiometers

KYOWA DY-700  Force Tensiometers

Using Wilhelmy Plate and du Noüy Ring Methods

Overview

The KYOWA DY-500 and DY-700 series are fully automatic, high-precision, and user-friendly surface tensiometers. These devices enable reliable measurement of various parameters such as dynamic contact angle, powder contact angle, surface and interfacial tension, lamella length, liquid and solid density, sedimentation behavior, and evaporation rate.

While both DY-500 and DY-700 share the same body design, the main difference lies in their integrated weighing systems. The DY-700 model offers 10 times higher measurement precision compared to the DY-500.

Advantages and Application Areas

Thanks to their versatility and high accuracy, both models are ideal for use in R&D processes as well as routine quality control applications. Their durable design, high-quality components, and software-integrated video user guide provide an intuitive and efficient user experience.

Key Features

• “One-Touch” Fully Automatic Operation: Quick and easy use

• Sample Stage with Built-in Stirrer: Jacketed design with integrated mixing function

• Built-in Temperature Sensor: Accurate measurement via real-time temperature tracking

• Inert Gas Connection: Allows gas input into the sample chamber

• Pre-Wetting Function: Prevents measurement errors by pre-wetting the plate or ring

• Easy Parameter Adjustment: Adaptable to various test standards

• Calibration Options:

  • DY-500: External weight calibration

  • DY-700: Internal automatic calibration system

Optional Accessories

• Powder contact angle measurement kit

• Dynamic contact angle measurement kit

• Automatic CMC (Critical Micelle Concentration) measurement kit

• Sedimentation behavior analysis kit

• Liquid and solid density measurement kits

• Heated sample stage for measurements up to +150 °C

Optional Software Add-Ons

• Dynalyzer – Powder Contact Angle Measurement

• Dynalyzer – Dynamic Contact Angle Measurement

Main Application Areas

• Surface Tension: Paints, inks, and coating solutions

• Interfacial Tension: Transformer oil, emulsions, surfactant solutions

• Lamella Length: Foam stability, paint spreading, fire extinguishing agents

• Sedimentation Behavior: Wastewater treatment, pigment dispersion stability

• Powder Contact Angle: Wettability analysis of powders

• Dynamic Contact Angle: Wetting and adhesion characteristics of coatings

Technical Specifications Comparison