SIT-Q SERIES Mechanics table/auto interfacial tensiometer

Application

• Evaluate the effectiveness and efficiency of surfactants by measuring the critical micelle concentration
• Wetting properties of tablets, pharmaceutical active ingredients and excipients
• Wettability of paints and coatings
• Oil aging degree detection
• Coating wettability and adhesion
• Cosmetic development
• Study on ink wetting characteristics

All design features are developed for your real needs

Measurement and data management software ST Flash

Flexible measurement methods for surface and interfacial tension

• SIT-Q series tensiometers provide a variety of measurement methods, including the traditional platinum plate method (Wilhelmy) and platinum ring method (DuNouy), and can also be equipped with density accessories to accurately measure the density of the tested sample.
• Platinum ring method can be set for one stretch or multiple stretches, which can be set by yourself. Fully automatic measurement without calculation.
• Built-in electronic level with operating instructions. The level of the sample stage can be adjusted precisely to ensure the precise measurement of the tensiometer.
• The spacious sample room is equipped with a transparent glass sliding door, which is very convenient to operate and prevents the influence of indoor airflow on stable measurement.
• The built-in measurement program can control the lifting of the sample stage to ensure that there is no human interference in the measurement process. The running speed can be adjusted according to the experimental requirements and can be accurately repeated. The use of dynamic, smooth-running drives eliminates negatively affecting vibrations.
• Electromagnetic force sensor and supporting control system have temperature compensation function, which can minimize long-term drift.
• Through the 7-inch touch screen, realize simple and intuitive operation and use. Intuitive operation on the touch screen is a hallmark of the new generation of tensiometers, allowing easy control of the sample stage and other components both before and during a measurement.
• Built-in measurement data management menu, convenient to view data and support external printer operation. All measurement data files can be transferred via U disk, and can be converted into Excel files, which is convenient for managing, recording and organizing measurement data.

SIT-Q series tensiometers comply with all GB/T, EU, ISO, DIN specifications and ASTM standards

Part of valid codes and standards met

ASTM	D971	Standard Test Method for Oil-Water Interfacial Tension Using the Ring Method
ASTM	D1331	Standard Test Method for Surface and Interfacial Tension of Surfactant Solutions
ASTM	D1417	Standard Method for Testing Synthetic Rubber Latex
DIN	EN 14210	Surfactants — Determination of Interfacial Tension of Surfactant Solutions by the Stirrup or Suspension Ring Method
DIN	EN 14370	Surfactants – Determination of Surface Tension
ISO	304	Surfactants – Determination of Surface Tension by the Pulling Film Method
ISO	1409	Plastic / rubber-polymer dispersion and rubber latex (natural and synthetic) -measuring surface tension by hanging ring method
OECD	115	OECD guidelines for testing chemicals: surface tension of aqueous solutions
ISO	6889	Surfactant – Determination of Surface Tension by Pulling Film Method

Product Technical Parameters ( Specifications)

model	SIT200Q	SIT100Q	SIT500Q
* Test Methods	Platinum plate method, platinum ring method
Surface Tension Test Range	0-2000mN/m	0－1000mN/m	0-500mN/m
Surface Tension Accuracy	0.1mN/m	0.01mN/m	0.001mN/m
Liquid Density Range **	0－3.000g/ cm3		N/A
** Density accuracy	3 0.001g/cm		N/A
Operation method	Sample stage automatic lifting and automatic measurement
Lifting speed	0-300mm/min Any adjustable
Display method	7 -inch touch screen data direct reading
data mode	Support data storage /view/print
measure time	Normally within 60 seconds
Data output **	RS232 (printer) or U disk
data software	Standard ST Flash software
Dimensions	471*245*475 mm (L*W*H)
net weight	18kg
power supply	110V or 220V, 50W

Platinum ring size: the wire radius is 0.185mm, the ring radius is 9.55mm, and the ring circumference is 60mm.

*Note: The plate/ring test method needs to be specified when ordering. The standard configuration is optional . If the budget is sufficient, it is recommended to configure both the plate and the ring.

**Note: The standard configuration of the printer is not included, and it can be purchased separately according to the needs. To measure the liquid density, a standard volume part is required to be purchased separately.