High-precision automatic analysis for professional laboratories. This Surface Tensiometer is the ultimate solution for measuring surface and interfacial tension with industrial-grade accuracy. Engineered to meet ASTM D971 and ISO 1409 standards, it features advanced 32-bit ARM processing and an ultra-sensitive LVDT sensor to ensure repeatable, lab-certified results.

• Dual Standard Calibration: Restore accuracy without replacing expensive platinum rings.

• Fully Automatic Operation: Auto-stop, auto-lock, and smart averaging for error-free testing.

• Vibration-Free Precision: Integrated molded shell and direct transmission for stable readings.

• Global Compliance: Certified for ASTM D971, ISO 1409, and ISO 6295 protocols.

• High-Speed Processing: Powered by an American ADI 24-bit converter for rapid force acquisition.

Ideal for: Transformer oil testing, chemical surfactant analysis, and petroleum quality control.