Benchtop Instruments

Automatic Surface Tensiometer

$2,899.99

An automatic surface tensiometer for surface and interfacial tension measurement across a wide range of liquid samples.

Key Specifications
Model
BKST-200A
Measuring Range
0~200.0mN/m
Resolution
0.01mN/m
Accuracy
≤±1%FS
Repeatability Error
≤±1%FS
Platinum Ring Specification
Ring radius(R) 9.55mm, wire radius(r) 0.3mm
SKU:BIO-0841
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Scientist guidance
Louise Corscadden, PhD, Director of Science

Louise Corscadden, PhD

Director of Science · ConductScience

Ask Louise about Automatic Surface Tensiometer fit, setup, configuration, or quote prep.

Overview

This instrument performs accurate surface and interfacial tension measurements across a wide range of liquids. It features an LCD for instant result display and automatic averaging of multiple tests. With a unique dual-calibration system--using standard weights for certification compliance and reference liquids for precision and repeatability--it ensures reliable results through a simple and efficient calibration process.

Key Features

  • Features a unibody casing and precision direct-drive mechanism, significantly enhancing instrument reliability and durability. The vibration-free transmission ensures physical stability for improved testing accuracy.
  • Utilizes a micro stepper motor for the lifting platform, enabling high-speed adjustment to enhance efficiency and reduce testing time. Automatically switches to standard speed during measurement to guarantee precision.
  • Equipped with a 32-bit ARM microcontroller for high-speed operation and computational accuracy. A proprietary filtering algorithm ensures stable and accurate readings.
  • Incorporates a 24-bit AD converter for rapid signal conversion and highly accurate force value acquisition.
  • An improved torsion wire lever mechanism guides the sensor core in a near-linear path, ensuring excellent test linearity.
  • Employs a high-end domestic LVDT displacement sensor with superior linearity, sensitive signal output, and precise impedance matching, guaranteeing repeatable test accuracy.

Specifications

Model BKST-200A
Measuring Range 0~200.0mN/m
Resolution 0.01mN/m
Accuracy ≤±1%FS
Repeatability Error ≤±1%FS
Platinum Ring Specification Ring radius(R) 9.55mm, wire radius(r) 0.3mm
Standard Accessory Platinum ring, hook, glass vessel, 1000-milligram weight*2, 500-milligram weight*1
Power Supply AC110/220V, 50/60Hz
External Size(W*D*H) 260*200*310mm
Package Size(W*D*H) 300*300*400mm
Net Weight 10kg
Gross Weight 12kg
Automatic Surface Tensiometer
Automatic Surface Tensiometer
$2,899.99
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