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Chinese Factory Anhui Yuanchen Float Level Indicator Stainless Steel Float Level GaugeFloat level indicator

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Chinese Factory Anhui Yuanchen Float Level Indicator Stainless Steel Float Level GaugeFloat level indicator

 Measuring principle Using the magnet in the float to change with the liquid level, the resistance in the connecting rod and the voltage dividing circuit composed of the reed switch are changed

Float level indicator

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Measuring principle

Using the magnet in the float to change with the liquid level, the resistance in the connecting rod and the voltage dividing circuit composed of the reed switch are changed, and the voltage dividing signal is converted into a standard signal of 4 to 20 m by the converter.

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Features

  1. The internal sensing component is designed in the form of imported module, with high reliability and strong anti-interference ability;
  2. High-sensitivity package type reed switch with high sensitivity and long working life
  3. The circuit design adopts high-performance integrated circuit, which is stable and reliable with zero-point self-stability function, and is not affected by temperature and pressure changes;
  4. Output mode is optional (4 ~ 20) mA, (20 ~ 4) mA, 0-5V, 0-10V, Hart interface communication (optional).

Applicable place

※Applicable to metallurgy, petroleum, chemical, shipbuilding, environmental protection, electric power, papermaking, pharmaceutical, printing and dyeing, food, municipal, etc.;

※In the production of various towers, tanks, tanks, spherical containers or boilers, liquid level, oil level, oil-water interface, bubble

※ Continuous measurement and control of the foam interface.

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Structure diagram

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Remote liquid level--transmitter

1.24VDC two-wire output, internal three-wire automatic detection range,

   It is more convenient to install without debugging, and the replacement of spare parts is common;

  1. Output optional (4 ~ 20) mA, (20 ~ 4) mA, 0-5V, 0-10

   Interface communication (optional).

  1. Modular, dustproof, moisture proof, good output, stable and reliable output;

 

Liquid level meter remote transmission--imported reed relay

  1. High-sensitivity package type reed switch, high sensitivity,

   Long working life;

  1. High measurement accuracy, long-term stable and reliable products;

 

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Float level gauge process description

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Float specification

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Output signal converter

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Anti-corrosion float level gauge

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FG-01 stainless steel float level gauge

Adaptation range: general liquid level environment

Measuring range: 150 ~ 6000mm

Medium density: ≥ 0.45g/cm3

Medium temperature: -20 ° C ~ 200 ° C

Connection flange: DN50 (remaining customization)

Power output: 24VDC/4~20mA

 

 

 

FG-02 flange float level gauge

Adaptation range: general liquid level environment

Measuring range: 150 ~ 6000mm

Medium density: ≥ 0.45g/cm3

Medium temperature: -20 ° C ~ 200 ° C

Connection flange: DN50 (remaining customization)

Power output: 24VDC/4~20mA

 

 

 

FG-03 adjustable float level gauge

Adaptation range: general liquid level environment

Measuring range: 150 ~ 6000mm

Medium density: ≥ 0.45g/cm3

Medium temperature: -20 ° C ~ 200 ° C

Connection flange: DN50 (remaining customization)

Power output: 24VDC/4~20mA

 

 

 

FG-04 intelligent float level gauge

Adaptation range: on-site display liquid level environment

Measuring range: 150 ~ 6000mm

Medium density: ≥ 0.45g/cm3

Medium temperature: -20 ° C ~ 200 ° C

Connection flange: DN50 (remaining customization)

Power output: 24VDC/4~20mA

 

 

 

FG-05 intelligent anti-corrosion float level gauge

Adaptation range: display corrosion level

Measuring range: 150 ~ 5000mm

Medium density: ≥ 0.45g/cm3

Medium temperature: -20 ° C ~ 200 ° C

Connection flange: DN50 (remaining customization)

Power output: 24VDC/4~20mA

 

 

 

FG-06 anti-corrosion float level gauge

Adaptation range: Corrosion liquid level environment

Measuring range: 150 ~ 5000mm

Medium density: ≥ 0.45g/cm3

Medium temperature: -20 ° C ~ 200 ° C

Connection flange: DN50 (remaining customization)

Power output: 24VDC/4~20mA

 

 

 

Floating ball continuous field application example

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On-site maintenance work guidelines

1, safety first

      Industrial control instruments are mostly used in production line, full of various risk factors; field operators must be equipped with relevant safety equipment (safety helmets, gas masks, masks, protective glasses, etc.), and learn safety protection knowledge and operate according to specifications.

2, first prepare and then set off

      Before going to the site for maintenance, you should confirm the product failure and working conditions in advance, and prepare tools, spare parts, on-site service documents, etc.

3, first move the mouth and then start? For faulty equipment, do not respond to hands-on, should first ask before and after the failure and failure phenomenon. ?4. First external and internal? First check the equipment for obvious cracks and defects, understand the maintenance history, service life, etc., and then check the machine. Before dismantling, the surrounding fault factors should be checked and determined to be disassembled after the internal fault. Otherwise, blind disassembly may worsen the equipment.

  1. Electrical and mechanical first? Only after confirming that the mechanical parts are not faulty, perform an electrical inspection. When checking the circuit failure, the detection instrument should be used to find the fault location, and after confirming that there is no contact failure, the operational relationship between the line and the machine can be checked in order to avoid misjudgment.
  2. First clean and repair. For heavily polluting equipment, first clean the buttons, wiring points and contact points, and check if the external control keys are malfunctioning. Many faults are caused by dirty and conductive dust, which is often ruled out after cleaning.
  3. After the power supply, the power failure rate of the power supply part is high, so it is often more effective to check the power supply first. ?8. First, after the inside and outside? Do not rush to replace the damaged electrical components. When confirming that the peripheral circuit is normal, consider replacing the damaged electrical components.
  4. First debug after failure? For the equipment and equipment that coexist with debugging and fault, the fault should be eliminated first, and then debugging. The debugging must be carried out under the premise of normal operation of the equipment.
  5. Leave after verification

10.For well-maintained instruments and equipment, further on-line operation must be carried out on site. After observing at least one operating cycle, confirm that the product is stable after confirming the stability.

 

Instrument failure analysis methods and operational practices:

  1. Observation

     It is a method of checking and judging faults by means of watching, smelling, and listening according to the external performance of electrical faults. ? Inspection steps: Inquire the operator and the fault presence personnel, including the external performance of the fault, the approximate location, the environmental conditions at the time of the fault, if there is abnormal vibration, heat source, electromagnetic interference, etc.; observe whether the near-high-power appliance is corroded or not. Intrusion of sexual gas, presence or absence of water leakage, whether someone has repaired it, the contents of repairs, etc. ?2. Measurement method

     The measurement method is to measure the power supply and input and output signal values ​​of the instrument and equipment by using standard instruments (such as a calibrated multimeter), and compare it with the theoretical calculation value to quickly confirm the fault location. Exclusion

     When there are multiple possible factors for the failure, they can be verified one by one and eliminated one by one.

  1. Comparison, replacement method? (1) Contrast method:

        When multiple similar products are installed on site, before determining the fault, carefully observe whether there is any difference in the application environment of each product, which is often caused by the difference.

(2) Replacement method:

        When multiple products of the same model are installed on site, and individual products fail, but the faulty part cannot be confirmed, the working product and the faulty product can be exchanged for the installation position, and the fault location can be quickly determined.

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