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Transformer Oil Interfacial Tension Tester BLS-971

The instrument complies to ASTM D971 platinum ring method is widely used to measure interfacial and surface tension for various liquids and petroleum products.
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The instrument complies to ASTM D971 platinum ring method is widely used to measure interfacial and surface tension for various liquids and petroleum products such as transformer oil, lube oil, turbine oil, hydraulic oil, etc. The equipment is fully automatic that only pressing the “start” button can finish the tension value calculation according to the input parameters.


1.Adopts original and fast-response electromagnetic force balance sensor and microprocessor intelligent control to improve measurement accuracy and linearity;

2.Only one calibration point is required, no need of zero adjustment potentiometer and full range potentiometer;

3.Integrated temperature detection circuit and automatic temperature compensation of the test results to avoid the impact of temperature on the tension value;

4.Automatically zeroes, measures, calculates, displays print results, and 300 pieces of measurement results can be stored;


Display

large LCD English display screen

Measurement method

Platinum ring

Platinum ring radius

R9.55; platinum wire r0.3

Measurement range

0-200mN/m.

Sensitivity

0.1mN/m

Accuracy

±0.1mN/m  

Self-checking

Breakdown auto diagnostics

Temperature compensation

Automatic temperature compensation

Power

Less than 40W

Dimension

185×260×360mm

Working environment

Temperature:10℃-40℃; Humidity: ‹80%

Power supply

AC220V±10%, 50HZ±2.5HZ(customizable)

Weight

About 6kg


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