Variable temperature viscosity coefficient test experiment instrument variable temperature viscosity coefficient experiment instrument model: HAD-FD-VM-C
Liquid viscosity coefficient, also known as liquid viscosity, is one of the important properties of liquids and has important applications in engineering, production technology and medicine. The falling ball method is used to measure the viscosity coefficient of the liquid. The physical phenomenon is obvious, the concept is clear, and the experimental operation and training content are many. It is very suitable for the experimental teaching of the first and second grades of the university; however, many instruments can only measure the viscosity coefficient of the liquid at room temperature. However, the liquid temperature cannot be changed to study the relationship between the viscosity coefficient and temperature. Moreover, due to the influence of factors such as stopwatch and parallax by hand, the accuracy of measuring the falling speed is not high. The FD-VM-C variable temperature viscosity coefficient tester developed by our company has the following advantages:
1. This instrument uses laser photoelectric sensor combined with single-chip timing to overcome the parallax and reaction error of manual stopwatch timing. Especially at higher temperatures, due to the small viscosity coefficient of the liquid and the fast falling speed of the ball, the timing error of the manual stopwatch is too large to complete the experiment, and the instrument uses the laser photoclocking to obtain an accurate fall time.
2. This instrument uses a new type of laser transmitter and receiver, and has improved the adjustment of the laser beam. It not only has an aesthetically pleasing structure, but also avoids the problems of “difficult to light†and “adjustable adjustment†of the instrument, making the experiment simple. Easy to adjust.
The instrument can be used in basic physics experiments and design research experiments and demonstration experiments in colleges and universities.
The main technical parameters of the instrument:
1. Laser positioning column scale length 58cm resolution 1mm
2. Laser photoelectric timer range 99.999s resolution 0.001s
3. Filled with liquid container to be tested, diameter 60mm, line height 45cm
4. Constant temperature control circulating water temperature control range: room temperature to 80.0 ° C resolution 0.1 ° C
5. The measurement error of liquid viscosity coefficient is less than 5%
Beijing Heng Aode Instrument Co., Ltd.
Contact: Wang Rui (Ms.)
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