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Liquid level transmitter

 Anticorrosive input type liquid level transmitter

Anticorrosive input type liquid level transmitter

  • Mat-500 series anticorrosive input type liquid level transmitter is based on the principle that the measured liquid static pressure is proportional to the height of the liquid, and adopts the advanced isolation type diffusion silicon sensitive element from abroad. Welcome to inquire about the price
Product details

Based on the principle that the static pressure of the measured liquid is proportional to the height of the liquid, the mat-500 series anticorrosive input type liquid level transmitter adopts the piezoresistive effect of the advanced isolation type diffused silicon sensing element, converts the static pressure into electrical signal, and then through temperature compensation and linear correction, it is converted into standard electrical signal (generally 4-20mA). Mat-500 series anticorrosive input type liquid level transmitter is suitable for liquid level measurement of various media in petrochemical, metallurgy, electric power, pharmaceutical, water supply and drainage, environmental protection and other systems and industries. Exquisite structure, simple adjustment and flexible installation mode provide convenience for users to use easily. 4-20mA, 0-5V, 0-10mA and other standard signal output modes can be selected by users according to their needs.
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Working principle of anticorrosive input liquid level transmitter
Static pressure measurement principle:
When the liquid level transmitter is put into a certain depth of the measured liquid, the pressure formula of the sensor facing the liquid level is: ρ = ρ. G.h + Po
Where:
P: Pressure of transmitter against liquid level
ρ: Density of measured liquid
g: Local gravity acceleration
Po: atmospheric pressure above the liquid level
H: Depth of transmitter liquid
The pressure of the liquid can be measured through the negative pressure sensor through the negative pressure sensor.

The main technical parameters of anti-corrosion input type liquid level transmitter are as follows:
Measurement range: 0-0.1m ~ 0.35m
Large overload: no more than 1.5 times of pipe length
Measurement form: balanced hood type
Accuracy class: 0.5% f · s
Power supply voltage: 24 VDC
Load resistance: ≤ 500 Ω
Measuring medium: various liquids
Long term stability: ± 0.2% f · s / year
Relative humidity: 0 ~ 95%
Compensation temperature: 0 ~ 70 ℃
Working temperature: - 40 ~ 240 ℃, 350 ℃ at higher temperature (customized)
Structural features:
Shell: die casting alloy aluminum
Main structure material: 1Cr18Ni9Ti
Electrical interface: M20 × 1.5
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Function characteristics of anticorrosive input liquid level transmitter
The long-term stability of fullness and zero position can reach 0.2% FS / year. The temperature drift is less than 0.2% FS in the compensation temperature range of 0 ~ 70 ℃, and less than 0.5% FS in the whole allowable working temperature range.
It has reverse protection and current limiting protection circuit. When the positive and negative poles are connected reversely, the transmitter will not be damaged. When abnormal, the feeder will automatically limit the current within 35mA.
Solid state structure, no moving parts, high reliability and long service life.
Convenient installation, simple structure, economical and durable.
Debugging method of anticorrosive input liquid level transmitter
Screw off the protective cover, you can see the zero adjustment and full range resistor, external standard power supply and ammeter (more than 0.2 pole), you can adjust, the steps are as follows:
When there is no liquid in the transmitter, adjust the zero resistor to make the output current 4mA,
Fill the transmitter with liquid to the full range, adjust the full range resistor to make the output current 20mA,
Repeat the above steps two or three times until the signal is normal.
After adjustment, tighten the protective cover.
Points for attention of anticorrosive input liquid level transmitter
All supplied products are provided with operation instructions and certificates, including product number, technical parameters, date of delivery, etc., please check carefully to avoid misuse.
Connect the power supply in strict accordance with the wiring instructions of our company.
If any abnormality is found during use, the power supply shall be turned off, the use shall be stopped, and the inspection shall be carried out, or the technical department of our company shall be contacted directly.
During transportation and storage, the original package should be restored and stored in a cool, dry and ventilated warehouse.
? 18 month warranty.
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label:
 Anticorrosive input type liquid level transmitter

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