Qingdao Lifengjie Electronic Technology Co., Ltd
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Top mounted magnetic flap level gauge LFJ-UQZ-519D
Top mounted magnetic flap level gauge LFJ-UQZ-519D
Product details
Top mounted magnetic flap level gaugeLFJ-UQZ-519D
1、 Function and Scope of Application
The LFJ-UQZ-519D top mounted magnetic flap level gauge uses a floating ball component as the measuring element. Through the buoyancy effect of the liquid, the floating ball moves down, driving the magnetic steel at the upper end of the pole to change up and down. Through magnetic coupling, the magnetic flip column of the display component flips to track the changes in liquid level. Therefore, the display is eye-catching and the reading is intuitive. Because the display component is completely isolated from the measured medium, it is safe and reliable to use. This level gauge is suitable for displaying the liquid level of various underground tanks, pools, and other containers, as well as containers that are not suitable for side openings. If equipped with matching instruments, it can be used for remote detection to achieve automatic control function.
2、 Working principle and characteristics
Principle: It is made based on the principles of buoyancy and magnetic coupling. When the liquid level in the measured container changes, it drives the floating ball and moves up and down through the long-term magnetic steel at the upper end of the connecting rod connected to it. Through magnetic coupling, the flip column in the display is flipped. When the liquid level rises, the flip column changes from white to red, and when the liquid level drops, the flip column changes from red to white. The actual height of the medium liquid level in the container is indicated by the red white boundary *, thus achieving automatic tracking and display of the liquid level.
characteristic:
l、 When the side opening of the container is not suitable and there is little space around the container, this type of liquid level gauge can be installed on both the upper and lower parts of the container.
2. Suitable for liquid media with high viscosity.
3. The viewing direction of the monitor can be changed arbitrarily.
4. Simple structure, easy installation, and easy maintenance.
3、 Technical parameters
1. Measurement accuracy: ± 10mm
2. Work pressure: ≤ 2.5MPa
3. Medium density: ≥ 0.5g/cm3
4. Working temperature: -20 ℃~+150 ℃
5. Measurement range: 500-5000mm
6. Medium viscosity: ≤ 0.4Pa. S
7. Factory connection flange size: DNl00 PNl. 6-
The connecting flange adopts the flange standard HG20592-20635-97 issued by the Ministry of Chemical Industry in 1998. If other flange standards are used, please indicate them when ordering. The distribution shape of flange connection holes:
square
4、 Exterior structure
5、 Blind spot of top mounted magnetic flap level gauge
Due to the presence of certain blind spots in the structure during measurement, compensation is required for reading. The length of the float varies for different medium densities, resulting in different blind spot values
6、 Selection Notice
l、 Anti corrosion type nominal pressure: ≤ 1.0MPa
2. There is a certain blind spot in the liquid level gauge, so a blind spot compensation value should be added to the reading of the liquid level height (when our liquid level gauge leaves the factory, the zero position of the scale has been moved to the actual value)
3. The measuring range of the liquid level gauge should not exceed 5 meters, otherwise it will affect the stability, reliability, and firmness of the liquid level gauge.
4. Install the connecting flange, and refer to the commonly used protrusion size reference (HG21592-97) for manufacturing this level gauge at the factory.
7、 Installation, use, and maintenance
1. The protective tube and main tube of the liquid level gauge must be kept perpendicular.
2. The connecting rod cannot bend and must be inserted straight.
3. After installation, it is necessary to guide the flip column of the monitor with magnetic steel once so that the display above zero position is white and below zero position is red.
8、 Ordering Notice
l、 Model specifications, supporting instruments
2. Measurement range
3. Name and density of the tested medium.
4. Work pressure
5. Working temperature
6. Material requirements: medium density
7. Flange standards and connection forms
UQZSeries level gauge supporting instruments
1 UQZ—519D-LXSeries liquid level transmitter
lOverview
a. Overview of UQZ-519D-LX series liquid level transmitter.
This transmitter is used as a matching instrument for our magnetic flap level gauge, and the transmitter is clamped with a strap
The sensing part of the sensor is fixed outside the main tube of the UQZ-519D magnetic float liquid level, so that
It is located in the same magnetic coupling system as the liquid level gauge, using the reed tube in the sensing part to be magnetically floated
The magnetic field attraction effect of the magnetic steel in the sub component converts the change in liquid level into a resistance signal output. The resistance signal is converted into a two-wire 4-20mA output through a circuit module, and the signal is directly transmitted
Paired with our intelligent digital display instrument, it enables remote detection and control of liquid level.
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