Although the process for making a liquid level gauge is relatively simple, as a measuring instrument, especially a remote liquid level gauge, if it has not been examined by the Bureau of Quality Supervision and has no production license, product quality is difficult to guarantee. Therefore, to select a manufacturer with a production license and good reputation, the price may be slightly higher, but product quality and after-sales service are guaranteed. Level switch, liquid level sensor, as the name suggests, is used to control the liquid level switch. It has been widely used in shipbuilding, paper making, printing, generator equipment, petrochemical, food industry, water treatment, electrician, dye industry, hydraulic machinery and so on. Formally divided into contact and non-contact. Commonly used non-contact switches have capacitive liquid level switches, and contact applications are the most widely used. Electrode-type liquid level switch, float-type liquid level switch, electronic liquid level switch, capacitive liquid level switch can also be achieved by contact method. Float level switch working principle The use of floating float level switch magnetic float with the liquid level rise or fall, so that the sensor detects the set position of the reed switch chip action, issued contact open (off) conversion signal. In a closed non-magnetic tube, one or more reed switches are installed, and then the tube is passed through one or more hollow floating balls with ring-shaped magnets. The rising or falling of the liquid will move the floats up and down together. Thus, the reed switch in the non-magnetic tube generates a pull-in or break-out action, thereby outputting a switch signal. Float switch is a liquid level control device with simple structure, easy to use, safe and reliable. It has smaller volume, faster speed and longer working life than general mechanical switches. Compared with electronic switches, it has strong resistance to load and impact. specialty, Float Level Switch Attention Float Level Switch Just recalibrate the water level line before we install it. Can't adjust the switch itself. At this time, using a multimeter to measure the state of the switch, the water level will be on and off in the vicinity of the waterline. This shows no problem. As long as the installation process is consistent with the thermal equipment water level line is good. Generally, the water level line is attached to the cylinder wall. We put the switch in the water tank and slowly sink, so that the water surface gradually approaches the identification line, and the sound of the micro switch will be heard when it is closest. It should be noted that the working temperature of the high level switch is high, and the temperature of the water inside is high; the density of the high temperature water is less than the water density of the room temperature. Therefore, the action line of room temperature water is lower than the switch indicator line. The low level alarm is connected to normally closed, and the high level is normally open. This kind of switch is still not difficult to install. The liquid level switch itself will have more than two pairs of micro-switches, respectively output two pairs of normally open two pairs of normally closed contacts, in the application is usually connected to the alarm. Changzhou Chengfeng Instrument is developed based on the standardized manufacturing system. Its advanced design concept guarantees the high precision and high reliability of the product. The quality is absolutely guaranteed.
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