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Submersible Liquid Level Transmitter

Submersible Liquid Level Transmitter
Submersible Liquid Level transmitter Introduction Liquid Level Submersible Pressure Transmitter based on the measurement of the static pressure of the liquid level proportional to the depth of the liquid, and after amplification circuit converts the standard current voltage signal output,...
Product Details:

Submersible Liquid Level transmitter


Introduction


Liquid Level Submersible Pressure Transmitter based on the measurement of the static pressure of

the liquid level proportional to the depth of the liquid, and after amplification circuit converts the

standard current voltage signal output, establish output  level electrical signals depth linear correlation

of liquid depth measurement. In the structure, it uses waterproof wire and stainless steel housing

sealed connection, snorkel in the cable with the outside world, the design of the internal structure is

anti-condensation. Has good stability and reliability, and are widely used in the measurement and

control of the water level in the field of environmental protection, water conservancy, power plants,

urban water supply and drainage, hydrology exploration.

 


Application

It can be used for liquid measuring for petroleum, metallurgy, hydraulic, city water supply,

sewage treatment, hygrometry and etc.

  1. Liquid-level testing and control in industrial process

  2. Testing and control in Hydraulic and hydropower engineering 

  3. Building Automation System and constant pressure water supply system 

  4. Urban water supply and wastewater treatment 

  5. Liquid-level testing and control in other automation systems


Features

  1. Various industrial standard signal output

  2. Various electrical connector available

  3. Certain stock for shortening delivery time

  4. High accuracy, free of calibration

  5. compact dimension design

  6. Moisture-proof, anti-sweat, free of leakage troubles, IP68 

  7. Excellent resistance against impact, overload, shock and erosion 

  8. Efficient lightning protection, strong anti RFI&EMI protection 

  9. Advanced digital temperature compensation and wide working temperature scope 

  10. High sensibility, high accuracy, high frequency response and longterm stability

     



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Technical data 

 

Name 

Data

Remark 

Measurement Range 

0...1…200mH2O

1mH2O≈9.81kPa

Overload pressure 

1.5 times rated pressure 


Failure pressure 

3 times rated pressure 


accuracy

±0.25%F.S,    ±0.5%F.S.

(if higher accuracy, please refer to MARS series )


Stability 

Typical value: 0.1%F.S,   Maximum value: 0.2%F.S


Operation temperature 

-40℃~85℃


compensation temperature 

-10℃~70℃


Medium compatibility

All corrosive medium compatible with 1Cr18Ni9Ti and 316L


Electrics feature 

Two-wire type

Three-wire type 


Signal output

4~20mA

0/1~5V

0~10V


Power supply

10~30Vdc

8~30Vdc/ac

 

11~30Vdc/ac

Vdc/ac means 

both use dc and ac.

Load resistance 

(U-10)/0.02(Ω)

>100kΩ


Insulate 

>100M Ω@50V


Electrics connector 

Waterproof fixed cover + bipolar cycle matrix

+ sealing ring + sealgum 

+ glue feed, etc,five rank sealed.

protection rank: IP68


Pressure junction 

Various embedded structures suit to 

different applications  1/8, 1/4 or 1/2


Response time 

10ms


Pressure form 

Gauge pressure: G, Absolute pressure: A


Certification 

Explosion proof certification, CE certification. 


Electromagnetic compatibility 

Electromagnetic radiation: EN50081-1/-2;

Electromagnetic sensitivity: EN50082-2;



Project   

                           Parameter                                     

Standard Range

Pressure Type: gauge pressure and sealed pressure

Pressure Range(mH2O):0.5 1 2.5 5 10 20 50 100 200 300 400 500 600

Technical Index

Signal Output 

4~20mA    0~5VDC      0~10VDC

Signal Line Specification

2wire       3wire         3wire

Supply Voltage

9~30VDC   9~30VDC     15~30VDC

Accuracy

±0.3%FS  ±0.5%FS  ±1%FS

Zero Drift

±0.02%FS/°C

Thermal Sensitivity Shift

±0.02%FS/°C

Longterm Stability (1 Year)

±0.1%FS

Frequency Response (-3dB)

3.2kHz

Compensated Temperature

-20~+85°C

Medium Temperature

-10~+85°C

Storage Temperature

-40~+125°C

Overload Pressure

200% FS

Medium Compatibility

Various media compatible with the 316L stainless steel

Environmental Protection

IP68

 

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