Scope of Application

【Operating Instructions】

The YS-200B Automatic Interfacial Tension Meter is a testing instrument that uses physical methods to replace chemical ones. It can rapidly and accurately measure the surface and interfacial tension values of various liquids and automatically display the results. In the hydropower sector, it is used to test the interfacial tension of electrical insulating oils to enhance the supervision of oil quality. In petroleum, chemical, and scientific research sectors, it helps analyze various liquids by testing their tension values. It is also suitable for educational and teaching purposes.

YS-200B Automatic Interfacial Tension Meter

Applicable Scope:
The YS-200B Automatic Interfacial Tension Meter is a testing instrument that uses physical methods to replace chemical ones. It can rapidly and accurately measure the surface and interfacial tension values of various liquids and automatically display the results. In the hydropower sector, it is used to test the interfacial tension of electrical insulating oils to enhance the supervision of oil quality. In petroleum, chemical, and scientific research sectors, it helps analyze various liquids by testing their tension values. It is also suitable for educational and teaching purposes.

Compliance Standards:

• GB 5549 "Surface active agents — Determination of surface tension by drawing up liquid films"

• ISO 304 "Surface active agents — Determination of surface tension by drawing up liquid films"

• Mechanical Industry Standard JB/T 9388 "Technical conditions for interfacial tension meters"

• GB/T 18396 "Natural rubber latex — Determination of surface tension by the ring method"

• GB 11278 "Surface active agents — Determination of the critical micelle concentration of anionic and nonionic surface active agents — Ring method"

Technical Parameters:

1. Measurement Range: 0 - 200.00 mN/m

2. Resolution: 0.01 mN/m

3. Electronic automatic zero adjustment

4. Automatic indication for three states: rising, stopping, and descending

5. Automatic stop function for rising and descending (automatically stops when the liquid film ruptures)

6. Automatic parking warning function

7. Peak hold indication function

8. Peak hold function

9. Automatically calculates the actual surface and interfacial tension values of the liquid

10. Automatically calculates the average value of actual tension

11. Audible keypress for convenient operation

12. Reserved printer interface (connect a printer to print test reports)

13. Zero Drift: ≤ 0.2 mN/m

14. Relative Error of Indication: ≤ ±1%

15. Repeatability Error of Indication: ≤ 0.5%

16. Lifting Stroke: 25 mm

17. Lifting Speed: 15 mm/min ± 2 mm/min

18. Sample Cup Inner Diameter: 56 mm

19. Sample Cup Capacity: 60 mL

20. Platinum Wire Radius: 0.3 mm

21. Platinum Ring Circumference: 60 mm

22. External Dimensions: 400 × 220 × 350 mm

23. Net Weight: 10 kg

24. Power Supply: 220V / 50Hz ± 5%

25. Ambient Temperature: Room temperature 10℃ - 35℃

Configuration:

• Main Unit: 1 piece

• Platinum Ring: 1 piece

• Power Cord: 1 piece

• Sample Cups: 2 pieces