Capillary Viscometer Automatic Calibrator

The viscometer must be calibrated before leaving the factory or putting into use for the first time to ensure that the performance indicators of the instrument meet the requirements of the national metrology verification regulations; At the same time, the viscometer in use needs to be periodically verified, and if necessary (the instrument is used frequently or in a qualified critical state), intermediate self-inspection should be carried out to determine its metrology performance is qualified, and the coefficient error is within the allowable range, otherwise accurate data cannot be obtained. In the calibration and verification of viscosity timing, the measuring mechanism often exists a large number, low charge, time consuming and other situations.

 According to the actual situation in the field of fluid viscometer measurement, EUCA Technology Co., Ltd. has developed an automatic calibration device for VAC capillary viscometer. It is based on computer image processing algorithm and adopts automatic and intelligent application technology to realize automatic calibration of capillary viscometer: automatic suction, automatic recognition and automatic timing. That is to liberate manpower and save resources. Calibration viscometers include Ubbelohde Viscometer，Pinkevitch Viscometer, Cannon-Fenske Routine Viscometer ，Cannon-Fenske Opaque Viscometer.

Product features and advantages

◆ When calibrating, different types and models of capillary viscometers can be placed at each station. The calibration process is independent of each other, and can be calibrated asynchronously without affecting each other

◆ VAC capillary viscometer automatic calibration device is composed of precision transparent constant temperature bath, high resolution image sensor, precision lifting table, pressure control system, motion control system and algorithm processing system. The precision transparent constant temperature bath provides a stable and uniform temperature field for the viscometer to be tested, the temperature fluctuation does not exceed ±0.01° C/h, and the temperature field uniformity does not exceed ±0.02 ° C.

◆ The high-resolution image sensor is placed outside the precision transparent constant temperature bath window, driven by the precision lifting platform precisely controlled by the motion control system. The function of the image sensor is to quickly and accurately identify the inspected engraving line, and accurately calculate the time of the marking oil passing through the inspected engraving line. Based on a unique recognition algorithm, the VAC automatic calibration device can check all four categories of viscometers specified in the specification, significantly improving the reliability of identification and timing accuracy

◆ The pressure control system will vacuum the standard oil inside the viscometer to the appropriate position, and then make the standard oil flow under atmospheric pressure

Since the corresponding pressure control unit, image sensor, lifting platform, motion control unit, etc. of each station constitute a self-proclaimed system of calibration system, each station is independent of each other and does not affect each other, so as to truly realize asynchronous calibration and improve the flexibility and efficiency of calibration.

Product value

☆ Efficiency: Each station asynchronous calibration, do not affect each other

☆ Flexibility: Different types of viscometers can be placed at each station

☆ Practicability: All four categories of viscometers can be checked according to the regulations

☆ Reliability: Unique image processing algorithm, accurate and reliable identification timing

☆ Economy: The user can choose 1~6 stations, and the subsequent stations can be added

☆ High return: The viscosity project enhances the user's viscosity, and the output value has a high comprehensive return

The device will be applied to an inspection and certification institute.