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    Tag: how to

    Tips of Operating Paperless Recorder

    At present, with the acceleration of the process of industrial control automation, especially for industry, paperless recorder becomes a necessary tool. According to the change value recorded by the paperless recorder, it can reflect the temperature and humidity changes in the storage, production, transportation and other processes at any time, and through professional PC analysis software, it will help enterprises to conduct more scientific and effective management, analysis, and induction, which greatly improves the work process and efficiency.

    Vacuum Pump Troubleshooting

    With the construction and development of industry, many industries such as metallurgy, electronics, and coating have put forward higher requirements for the extraction of gas or particles from equipment. The large demand for industrial production and the rapid development of technology have made the production process of vacuum pumps continue to improve. Gradually occupy a larger market share in industrial production. With the continuous improvement of the level of vacuum pump manufacturing technology, the structural design of vacuum pumps is more refined, and different equipment structures also enable vacuum pumps to work in different industrial environments. Different types of vacuum pumps are driving the industry with a rapid growth momentum. Rapid development. The following form is a brief list of common problems and maintenance methods.

    How to Maintain a Rotary Vacuum Pump?

    The quality of the vacuum pump is decided by its mechanical structure and the quality of the oil, it must be well protected when using the vacuum pump. When using distilling volatile organic solutions, it will be absorbed oil that will lead to the increase of vapor pressure and the decrease of vacuuming efficacy. If it is acid gas, it will corrode the oil pump, and if it is steam, it will destroy the vacuum pump from turning oil into emulsion.

    How to Use the Pipette?

    Before pipetting, it is required to make sure that the pipette, pipette tip and liquid are at the same temperature. In sucking liquid, the pipette must be kept in an upright position and the pipette tip shall be inserted 2-3 mm below the liquid surface. Before sucking the liquid, it is recommended to suck and release the liquid for several times to wet the suction nozzle (especially when it is going to suck liquid with a viscosity or when the density is different from water). At this time, two pipetting methods can be used: 

    The first is the forward pipetting method. Press the button to the first stop with the thumb and then slowly release the button to the original point(suck the liquid of the fixed volume), and then press the button to the first stop point to drain out the liquid, wait for a while, continue to press the button to the second stop point to blow out the residual liquid, and release the button in the end.

    How to Make Current Sensor?

    The current sensor is a detection device that can sense the information of the measured current and convert the sensed information into an electrical signal that meets a certain standard or other required form of information output to meet the transmission of information, processing, storage, display, recording and control requirements. As the main components in the control and transmission system, the Hall current sensor plays an important role in the overall stability of the equipment. Hall current sensors are widely used in various industries such as frequency control, battery detection, power supply, servo, welding machine power supply, photovoltaic inverter, wind power inverter, electroplating, locomotive and so on.

    The manufacturing process of the current sensor is very complicated and has many operation steps. Now ATO shows you how to make current sensor, so that you can have a better understanding of the current sensor.

    How to Buy Best Fiber Laser Marker?

    Fiber laser marker is a kind of laser marker, whose principle is to output laser through the laser, and then realize the marking function through the high-speed scanning galvanometer system. The fiber laser marker has higher photoelectric conversion rate, faster marking speed and smaller volume than the ordinary laser marker. What’s more, because of the characteristics of air cooling system and strong output beam quality stability, it is widely used in various industry. Here ATO shows how to buy best fiber laser marker.

    How to Use Rotational Viscometer?

    Rotary viscometer is widely used to measure the dynamic viscosity of various fluids such as grease, paint, coating, plastic, food, medicine, adhesive and so on. It is popular because of the simple structure, cheap price, convenience and practicality. But in the process of communicating with customers, it was found that many of them have some doubts about how to use the rotational viscometer correctly. Now ATO will tell you the correct use of rotational viscometer, so that you can use ATO’s rotational viscometer more efficiently and conveniently.

    How to Select a Pressure Washer?

    The pressure washer is a machine that washes the surface of objects by a power unit to generate high-pressure water from high-pressure piston pump. It can remove and wash away the dirt to reach the purpose of clean the surface of objects. Using high-pressure water column to clean the dirt, high-pressure washes is a clean way that is the most scientific, economic and environmental in the world. However, how to choose a pressure washer?

    How to Select an Industrial Endoscope?

    The industrial endoscope plays an important role in the industrial inspection. As the development of technology, the industrial endoscope is used widely because the manufacturer pursues quality inspection and intact testing. There are various industrial endoscopes, and different kinds of endoscopes are used on different fields, such as petrochemical industry, aviation, and industrial machinery, etc. However, how to select an industrial endoscope?

    Different kinds of industrial endoscopes have different range of application. Usually an industrial endoscope should be selected according to the position of inspected objects. The selection of the industrial endoscope is based on following factors.

    How to Wire & Install Isolation Transformer

    The "input" and "output" terminals of a isolation transformer should be short-circuited to test their insulation resistance against the ground wire by a megohmmeter. When measuring by 1000V megohmmeter, the resistance value is greater than 2M ohms. The cross-sectional area of the isolation transformer input and output power lines should meet the requirements of its current value. It is appropriate to configure the electric current density of 2 ~ 2.5a /mm2.

    How to Select a Limit Switch?

    Limit switch is a device that makes use of the collision of the machine moving parts to make the contacts operating to realize the control circuit is turned on or off, so as to achieve a certain control purpose. It cooperates with other devices to form more complex automation equipments in industry. Therefore, selecting more suitable limit switches will make the entire automatic control system becomes more reasonable and efficient.

    How to Calibrate a Digital Crane Scale?

    For the digital crane scale, in order not to affect its weighing result, it is required to calibrate it regularly. After investigation, many customers either neglect to calibrate the digital crane scale or have the incorrect calibration method. Now let's introduce you how to calibrate the digital crane scale correctly.

    How to Buy a Right Automatic Voltage Stabilizer?

    After receiving the product, many customers find that the power of the voltage stabilizer is too small, and the functions are not enough, resulting in returns and replacements, unnecessary shipping costs, and waste of time and money. ATO explains how to buy the correct automatic voltage stabilizer to you.

    How to Select an Insulation Resistance Tester?

    The insulation performance of electrical equipment is usually judged by measuring its insulation resistance. In order to ensure the personal safety and the operation safety of electrical equipment, a minimum requirement is imposed on the insulation resistance between conductors of different phases or between the conductor and the equipment casing. In power engineering, the insulation resistance is measured quantitatively through an insulation tester, also called megohmmeter or megger, so as to determine whether there are insulation problems or hidden safety hazards.

    How to Prevent a Spark at Relay Contacts?

    The relay contacts’ jumping or switching on/off will cause the change of inductive load and further gas discharge. The current of relay contact on-off is small, there will be no electrical arc between contacts, but there will be a spark at the relay contacts. Due to the existence of inductance in the contact circuit, there will be overvoltage on the inductance when disconnecting the contact circuit. Together with the voltage supply in the contact gap, the contact gap that just separates a little will be broken down and discharged. Limited to energy, there will only be spark discharge. The conversion of capacitance between contacts and energy in inductance makes spark discharge disappear and reappear, becoming a high frequency signal, which will be crosstalk to related circuits by means of high frequency radiation, wire transmission and distributed capacitance, forming interference signals. Furthermore, spark discharges can also damage relay contacts and shorten the service life of contacts, so that sparks may ablate contact surfaces and make the surface uneven, resulting in failure of relay poor contact.

    How to Maintain UPS Battery Life?

    When using uninterruptible power supply (UPS) system, people tend to unilaterally believe that there is no need to maintain batteries. However, the data show that there is about one third UPS host failure or abnormal operation caused by battery failure. Therefore, it is more and more important to strengthen the proper use and maintenance of UPS battery for prolonging the service life of batteries and then reducing the failure rate of UPS system.

    How to Increase Efficiency of Step Up/Step Down Transformer?

    Step up or step down transformer is an important part of power grid operation, it's of great significance to the stable operation of the power grid. It meets different power demands by adjusting current and voltage. Once a transformer fails, it will cause great losses to the whole power grid, and further affects the normal operation of industrial production. In order to ensure the efficient operation of transformers, it is necessary to carry out a comprehensive management of the whole process of installation and application, thus reducing potential safety hazards and improving operational efficiency.

    How to Select a Right Magnetic Flow Meter?

    Nowadays, the magnetic flow meter (electromagnetic flow meter) has been widely applied to measuring of industrial sewage or wastewater. With a high precision and a long service life, the magnetic flow meter is the top choice for the environmental measuring industry. To choose the correct magnetic flow meter can five fuller play to the magnetic flow meter for specific purposes. Generally, the selection of the magnetic flow meter is based on the following factors including chemical attributes of the fluid medium, pipeline diameter, flow range, liner material, electrode material and output signal.

    How to Calculate AC Contactor Current Rating for Motor?

    The AC contactor has found wide applications in the motor-controlled circuit. It is no exaggeration to say that the electric drive of most motors cannot be separated from the control of the AC contactor. Many electricians are very familiar with the AC contactor for their frequency use or maintenance of it. How should we calculate the AC contactor rating for the motor or other equipment and make a right choice? Let us take a look at it.

    How to Select a Right Sensor?

    Modern industrial sensors are vastly different in principle and structure, and there are so many different types of products on the market. How can we find the ideal sensor for a specific application? When the sensor is selected, the corresponding measurement method and measuring equipment can be determined. The success or failure of measurement results largely depends on whether the selection of sensors is reasonable.