Digital Display Petroleum Oil Surface Tensiometer surface tension of various liquids

• The instrument conforms to ASTM D971 Test Method for Interfacial Tension of Oil against Water by Ring Method .
• It can also be used to determine interfacial tension of various liquids (Liquid-Gas interface). 
• The instrument adopts large LCD screen and blank button, so it is automatic, reliable, and simple and with good repeatability. 
• Turn on the instrument and operate the instrument as per the prompt of menu, and you can complete the test as per the prompt. 
• The instrument has function of automatic temperature compensation, clock control, printing, and automatic average value calculation.
•  It can connect to a computer through RS232 interface. 
• You can also send the test data to a handheld computer for analysis. It is the best choice to make determination for interfacial tension test.

II.Main technical data1. Display method: It has a large LCD screen with background light and prompt menu. The menu contains all test procedures and calculation methods stipulated in the GB/T6541.2. Buttons: Blank buttons3. Measurement range:   (1) For insulating oil: 2~100 mN/m   (2) For other petroleum products: 2~200 mN/m4. Sensitivity: 0.1 mN/m5. Accuracy: 0.1 mN/m6. Resolution: 0.1 mN/m7. Repeatability: 0.3%8. Ambient temperature: 10°C~30°C9. Relative humidity: 20%~75%10. Power supply: AC 220V±5%, 50 Hz11. Rated power: ≤ 100 W12. Size: 185 mm×260 mm×360 mm13. Weight: 15 kg