RF Capacitance level switch is a new type of level meter. Due to the use of "one-key calibration" technology, it solves the problem of long-term calibration of capacitive level limit switches in use.

 

Application of Capacitance Level Switch

 

Capacitance switch can control the level and upper and lower limit of bulk, granular, powder and liquid material silos; Widely used in metallurgy, petroleum, chemical industry, light industry, coal, cement, grain and other industries.

 

Installation Method of Capacitance Level Switch

 

The level switch is usually installed on the sidewall of the warehouse body by side installation (installed on the side of the warehouse wall), and the height of the material level is detected at the upper and lower limit positions. Top installation) method.

 

The threaded installation tube should be as short as possible during side mounting so that the end of the probe thread is flush with the inner wall of the groove to avoid material accumulation at the root.

 

The distance between the electrode and the silo wall should be greater than 200mm during top-loading, and the position that can avoid the impact of materials during feeding should be selected.

 

When the warehouse wall is made of concrete, the shell of the wireless level switch should be connected to the steel bar reliably. When the warehouse wall is made of non-metal, an auxiliary probe should be installed.

 

When measuring solid powder or block material with a large specific gravity, the probe should be fixed to prevent the pusher pole on the material side from deviating from the normal position. For measuring liquids, if there is a stirring device, the cable probe should also be fixed.

 

When the user disassembles and assembles the level switch, it is forbidden to hold the case by hand and twist it. Use a wrench to turn the hexagon bolt.

 

Selection Considerations of Capacitance Level Switch

The probe length of the level switch is selected between 100-2000mm, which is a rod probe. The cable probe can be used when the probe length exceeds 2000mm.

 

When used to detect materials with dielectric constant such as plastic, the probe length should not be shorter than 500mm. Non-metallic silos or materials with dielectric constant ≤1.8 need to add auxiliary probe.

 

When there is high-power equipment on site, 24VDC power supply should be selected as much as possible.

 

Feejoy technology provide a range of different types of level gauge and level transmitter including magnetic, Magnetostrictive, ultrasonic, radar, RF admittance, float continuous. Each of these transmitters work in different ways, making them useful for a number of different types of processes.