Product description Automatic tension tester Intermolecular Forces formed liquid surface tension.Numbers of tension reflect on liquid sampleâ??s physics and chemical properties, it is one of the most important index to product quality. automatic interfacial tension tester apply to GB/T6541,it can test kinds of liquid surface tension and boundary surface tesion.this method sample and accuracy,so its used widely Specifications Measuring rang 0-200mN/m Accuracy 0.1%( test result) ±0.1 mN/m Precision 0.1mN/m Sensibility 0.1mN/m Mains voltage AC220V ±20% 50HZ±10% Maximum power dissipation 20W Suit ambient temperature 10 30 (25 the best)