Liquid tension is measured by physical methods. This type of tensiometer is widely used in scientific research institutions, universities, and water conservancy and power sectors.

Characteristics:

Advanced electromagnetic balance force sensor with high precision and repeatability.
5-inch widescreen touchscreen integrates display of ambient temperature, real-time tension, peak tension, equivalent tension, etc., for intuitive operation.
Dual-test design supporting platinum plate and platinum ring methods (selectable individually or simultaneously).
Fully automated workflow eliminates human error: auto-detects liquid interface, plots tension curve, locks peak value, displays direct readings, and stops measurement automatically.
Full-range auto-calibration with support for weights, distilled water, and anhydrous ethanol to adjust instrument coefficients.
Quiet, motorized sample stage with adjustable speed (1–300 mm/min) via touchscreen control.
Quick-release bracket for platinum accessories enables easy handling and on-demand force calibration with standard weights.
One-touch tare function ensures stable, drift-free measurements.
Automatic temperature compensation converts readings to 20°C based on water/ethanol references.
Data acquisition software compatible with all Windows systems (WIN 7/8/10/XP).
Complies with standards including GB/T6541-86, ISO1409-1995, GB/T22237-2008, SH/T1156-95, ISO6295-1983, JB/T18396-2001, GB/T5549 (ISO 304-1985).
Patented instrument design.

Parameter:

Model	SFZL-A1	SFZL-A2	SFZL-A3
Test method	Design platinum plate and platinum ring at the same time, can choose one of them, can also choose two at the same time
Control mode	Touch operation, automatic lifting and lowering of sample table, automatic conversion
Lifting speed	1-300mm/min
Display mode	5 inch color touch screen display
Measuring time	Platinum plate method ≤10s. Platinum ring method ≤50 s
Sample size required	Platinum plate method ≥3mL; Platinum ring method ≥5mL
Test range (mN/m)	0-1000	0-1000	0-1000
Resolution ratio(mN/m)	0.1	0.01	0.001
Accuracy(mN/m)	0.1	0.01	0.001
Repeatability(mN/m)	0.1	0.01	0.001
Precision of Electronic balance	Domestic 1/1000 grams	Domestic 1/10000 grams	Domestic 1/100000 grams
Weighing system type	Electromagnetic force balance
Accuracy automatic calibration	Accuracy automatic calibration: provide weight correction, distilled water and ethanol coefficient correction, temperature correction
Data acquisition software	Standard: the configuration software can operate, store, export Excel data and print by computer
The micro printer interface	Optional
Thermostatic temperature control interface	Optional: it can test the value of surface tension at a specific temperature
Equipment weight and size	20cm33 cm 42 cm,8kg；
Power	100W

Touch screen interface:

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