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Product details
Magnetic flap level gaugeSuitable for various environments from low temperature to high temperature, vacuum to high pressure, etc., it is an ideal liquid level measurement product for industrial sectors such as petroleum and chemical industry. According to the different installation positions in the container, two forms are provided: side mounted and top mounted. According to different working media, three materials are provided: stainless steel, ABS, and PP-R engineering plastics. Among them, ABS and PP-R materials are suitable for corrosive media such as acid and alkali.
characteristic
1. Using a float as the measuring element and a magnetic steel driven flip column display, no energy is required.
2. Equipped with upper and lower limit switch outputs, it can achieve remote alarm and limit control.
3. Equipped with a transmitter, remote liquid level indication, detection, and control can be achieved.
structure and principle
1. Basic type
According to the principle of buoyancy, the float moves up and down in the measuring tube with the rise and fall of the liquid level. The permanent magnet inside the float drives the red and white flip columns to flip 180 ° through coupling. When the liquid level rises, the flip column changes from white to red, and when it falls, it changes from red to white, thus achieving liquid level indication.
2. Electric remote transmission
Install on the float level gaugeTransmitterBy moving the float up and down and using magnetic coupling to sequentially move the measuring elements inside the guide rod, the resistance signal changes are obtained and converted into standard signal outputs of 0-10mA or 4-20mA, which are connected to display instruments or computers to achieve remote transmission.
3. Upper and lower limit switch output
A controller is installed on the liquid level gauge riser at the upper and lower limit positions set by the user. The controller is equipped with a self holding reed switch, which uses a magnetic float to move with the liquid level to trigger an alarm or limit control when the reed switch is activated.
System composition and wiring
1. Upper and lower limit switch output
Composed of a self retaining reed switch and converter, the reed switch and converter are installed on site and in the control room respectively, with three pairs of contact switches provided by the converter.
2. Electric remote transmission
It consists of two parts: the measuring unit and the transmitting unit.
3. Intrinsic safety explosion-proof
A with intrinsic safety explosion-proof, upper and lower limit switch output type
The explosion-proof switch consists of a reed switch and a safety barrier with relay contacts, which can directly provide users with a pair of normally open or normally closed contacts. If users require more touchpoints, they can place special design orders. (Figure 3)
B-belt security explosive remote transmission type
Suitable for use in π - class electrical equipment (factory use), C-class gas, with the highest surface temperature group T4 (135 ℃). (Figure 4)
C Precautions for use
① The transmitter housing is equipped with an external grounding, which must be reliably grounded when used by the user.
② The use of safety barriers should comply with the relevant instructions.
③ The connecting cable between the transmitter and the intrinsic safety end of the safety barrier is a two core shielded cable with a core wire cross-sectional area greater than 0.5m, and the cable allows a distributed capacitance of 0.8 μ F
User provided flange
Specification
characteristic
1. Using a float as the measuring element and a magnetic steel driven flip column display, no energy is required.
2. Equipped with upper and lower limit switch outputs, it can achieve remote alarm and limit control.
3. Equipped with a transmitter, remote liquid level indication, detection, and control can be achieved.
structure and principle
1. Basic type
According to the principle of buoyancy, the float moves up and down in the measuring tube with the rise and fall of the liquid level. The permanent magnet inside the float drives the red and white flip columns to flip 180 ° through coupling. When the liquid level rises, the flip column changes from white to red, and when it falls, it changes from red to white, thus achieving liquid level indication.
2. Electric remote transmission
Install on the float level gaugeTransmitterBy moving the float up and down and using magnetic coupling to sequentially move the measuring elements inside the guide rod, the resistance signal changes are obtained and converted into standard signal outputs of 0-10mA or 4-20mA, which are connected to display instruments or computers to achieve remote transmission.
3. Upper and lower limit switch output
A controller is installed on the liquid level gauge riser at the upper and lower limit positions set by the user. The controller is equipped with a self holding reed switch, which uses a magnetic float to move with the liquid level to trigger an alarm or limit control when the reed switch is activated.
System composition and wiring
1. Upper and lower limit switch output
Composed of a self retaining reed switch and converter, the reed switch and converter are installed on site and in the control room respectively, with three pairs of contact switches provided by the converter.
2. Electric remote transmission
It consists of two parts: the measuring unit and the transmitting unit.
3. Intrinsic safety explosion-proof
A with intrinsic safety explosion-proof, upper and lower limit switch output type
The explosion-proof switch consists of a reed switch and a safety barrier with relay contacts, which can directly provide users with a pair of normally open or normally closed contacts. If users require more touchpoints, they can place special design orders. (Figure 3)
B-belt security explosive remote transmission type
Suitable for use in π - class electrical equipment (factory use), C-class gas, with the highest surface temperature group T4 (135 ℃). (Figure 4)
C Precautions for use
① The transmitter housing is equipped with an external grounding, which must be reliably grounded when used by the user.
② The use of safety barriers should comply with the relevant instructions.
③ The connecting cable between the transmitter and the intrinsic safety end of the safety barrier is a two core shielded cable with a core wire cross-sectional area greater than 0.5m, and the cable allows a distributed capacitance of 0.8 μ F
User provided flange
Specification
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◆Through the various products sold by our company, we guarantee to provide sales of products and spare parts at the same price within two years,And provide corresponding technical support free of charge according to the requirements of the demander.
◆Our company is responsible for free maintenance and technical support, as well as skill training for the customer's employees, in case of any quality issues with the products provided within one year (excluding vulnerable parts or accessories). ◆Due to quality issues with the products provided by our company, it has been verified by our technical department,The company will dispatch professional technical personnel to the site to handle the problem to customer satisfaction (domestic)72Hours, Jiangsu, Zhejiang, Shanghai48Arrive at the scene within hours),Technical support is available6Respond within hours. |
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