The working principle of connecting rod type floating ball level switch is direct and simple. Usually will seal the nonmagnetic metal or engineering plastic tube magnetic reed switch according to the need to set up one or more points, and then with a built-in magnetic float system fixed on ontology tube magnetic reed switch related position, make the floating ball to fluctuate within a certain scope, use float in a magnetic system through the tube of ontology to trigger the magnetic reed switch is closed or disconnected, to produce the switch action, To achieve the purpose of controlling the liquid level. This simple switch has a proven principle of operation suitable for liquid level measurement in a variety of industrial conditions. Normally open and normally closed are the conditions without liquid injection. Float liquid level switch is widely used in electronic, electric power, chemical, water treatment, water supply and drainage and other industries of liquid level control and alarm. Float level switches are divided into standard products and customized products. For the convenience of users, float specifications, material characteristics, junction box specifications, connection specifications and related components specifications are specially sorted into a table for users to select the correct type. According to the use of temperature, pressure, specific gravity, acid and alkali resistance of the liquid to be tested, select suitable specifications of float and guide rod material. When choosing, it is also necessary to determine the connection specification, the position of each action point, the action form (normally open or normally closed) and the total length.

Connecting rod type floating ball level switch

1. Vacuum structure is suitable for various liquid level detection operations

2. The switch has no direct contact with the liquid, no wear and tear

3, passive contact does not need any power supply, no voltage contact of the general signal processing, such as PLC

4. Detection is independent of foam, conductivity, medium constant, pressure, vacuum, temperature, steam, condensate, bubble, boiling effect and vibration

5. Multiple switching points (1 to 8) can be set in a single device to achieve multi-point control. The position of each control point can be customized according to customer needs

6. Outgoing lines of all switches are concentrated in the junction box (or directly outgoing lines), the protection grade is above IP65, the construction is simple and convenient, and the wiring cost is reduced

7. Easy to install and use, the switch can be adjusted once before use without maintenance

8. Reliable overall performance. SUS304, SUS316L, PP, PVDF, PTFE and other materials can be selected

Connecting rod type floating ball level switch installation instructions:

1. The installation position should be far away from the water inlet, otherwise the switch will cause misoperation due to the fluctuation of the water inlet.

2. If the switch device is placed on the concrete pool wall, L-shaped Angle steel support can be installed.

3. If the switch device is in the stirring area, the anti-wave tube or anti-wave baffle can be installed.

4. Select the flanged connecting pipe whose inner diameter is greater than the diameter of the float ball.

5. It is recommended to use Φ8mm multi-core cable when wiring.

6. The load of the controlled circuit must match the contact capacity of the float switch.

7. The specific gravity of the liquid to be measured must be greater than the specific gravity of the floating ball.

8. The action point of the floating ball has been adjusted according to the customer's order requirements at the factory. Please do not adjust the position of the floating ball at will.

Connecting rod type float liquid level switch contact protection:

1. When floating ball switches are used in circuits with inductive loads such as motors, relays, screw coils, etc., it is recommended to protect lines in parallel at both ends of the load, such as intermediate relays, RC(buffer), rheostats, diodes, etc.

Note: Do not connect the float switch directly to the solenoid valve, motor or solenoid switch

2. When the floating ball switch is used in capacitive loads such as capacitors, hot bulbs and very long cables, a surge current will be generated between the contacts of the switch; It is recommended to protect the line in parallel at both ends of the float switch, such as current limiting resistor or surge absorber.