Magnetic flap level gaugeMeasurement methods and troubleshooting

When measuring liquids, the top mounted or side mounted method is used. Install a flip column liquid level indicator, liquid level switch, and liquid level transmitter outside the magnetic flip column body. The magnetic unit is placed inside the floating ball or connected to the floating ball through a top rod. When the floating ball and the magnetic unit change with the liquid level, the magnetic color block (magnetic flip plate) is flipped; The magnetic liquid level switch operates at the corresponding liquid level point; At the same time, the liquid level sensor outputs a standard variable resistance signal under the action of the floating ball magnetic force, and then converts the resistance signal into a 4-20mA current signal output through the transmitter.

Magnetic flap level gaugeFeatures:

1. Wide applicability and diverse installation forms, suitable for measuring liquid levels and interfaces of any medium.

2. The tested medium is isolated from the indicator structure, with good sealing performance, leak prevention, and adaptability to liquid level measurement under high pressure, high temperature, and corrosive conditions, with high reliability.

3. It integrates on-site indication, remote transmission, and alarm control, and can be freely adjusted. It has complete functions, dual color indication with night light, continuous and intuitive, eye-catching, and a large measurement range. The observation direction can be changed arbitrarily.

4. Good vibration resistance, able to adapt to large liquid level fluctuations, simple working structure, easy installation, and low maintenance costs.

5. Equipped with exquisite magnetic steel calibrators, technical parameters can be adjusted on-site at will.

Measuring range:

150～8000mm， For level gauges with a center to center distance exceeding 8000mm or where the length cannot be exceeded under long-distance conditions, segmented manufacturing can be used. Work pressure: 0.6; 1.0； 2.5； 4.0； 6.4； 10Mpa

Operating Temperature

F ：120℃； G：200℃； H：450℃

Degree: ± 10mm

Medium density: 0.5-2.0g/cm3

Medium density difference: ≥ 150kg/m3 (measurement boundary)

Environmental vibration: frequency ≤ 25Hz, amplitude ≤ 0.5mm

Follow speed: ≤ 0.08m/s

Medium viscosity: ≤ 0.4 Pa · s. For media with high viscosity or media that are prone to crystallization at low measurement temperatures, a heating jacket type liquid level gauge can be used.

Process connection: Side installation flange for bypass: DN25, PN1.0 or PN1.6, PN2.5, PN4.0, PN6.4, PN10.

Switch options: can choose between regular and explosion-proof types

Transmitter options: optional reed tube level transmitter, optional magnetostrictive level transmitter, optional fully intelligent level transmitter with meter display

Tapping hand pressure method

It is common to encounter the phenomenon of instruments running intermittently, which is mostly caused by poor contact or virtual soldering. For this situation, tapping and hand pressure methods can be used.

The so-called "tapping" refers to using a small rubber hammer to strike the possible faulty parts and make them contact normally.

Magnetic flap level gauge7 usage precautions

For liquid level gauges that exceed a certain length (ordinary type>3 meters, anti-corrosion type>2 meters).

2. The installation position of the magnetic flap level gauge should avoid or be far away from the inlet and outlet of the material medium to avoid rapid changes in the local area of the material fluid, which may affect the accuracy of the level measurement;

When equipped with remote transmission instruments, the following measures should be taken:

4. The remote transmission supporting instruments should be tightly attached to the main pipe of the liquid level gauge and fixed with stainless steel clamps(Iron is prohibited)；

5. The sensing surface on the remote transmission supporting instrument should face and be closely attached to the main pipe;

6. When debugging, the upper inlet valve should be opened first, and then the lower valve should be slowly opened to allow the medium to enter the main pipe smoothly (during operation, the medium should avoid rapid impact on the float, causing the float to fluctuate dramatically and affecting the display accuracy). Observe whether the magnetic red and white balls flip normally, then close the lower inlet valve, open the drain valve, and let the liquid level in the main pipe decrease. Follow this method three times, if it is normal, it can be put into operation (except for corrosive and other special liquids);

7. It should be cleaned irregularly according to the condition of the mediumMagnetic flap level gaugeThe main tube is used to remove impurities;

Extended reading: Mingyu Automatic Control Liquid Level Gauge