Hydraulic pressure level transmitter
Principle of input hydraulic pressure level transmitter / sensor with LCD:
Input type (Hydraulic pressure) liquid level transmitter adopt high performance diffused sili con piezoresistive pressure sensor as measuring element, after the high reliability of amplification circuit and precise temperature compensation, convert the gauge pressure or absolute pressure of th e measured medium into standard voltage or current signals.
This product has the advantages of small volume, convenient use and installation, directly pu t into the water, that can measure liquid height from the surface to the end of the liquid level tra nsmitter.
Feature of input hydraulic pressure level transmitter / sensor with LCD:
Use advanced circuit processing technology, stable performance and high sensitivity
A variety of range, maximum measuring 200m (Water column pressure)
Adopting the 316L stainless steel diaphragm, applicable to a variety of measuring medium
Flexible configuration, select different configuration according to requirements.
Reverse polarity and overvoltage protection
Shock and lightning protection design
Laser trimming resistance temperature compensation, zero and range can be adjusted on site
Anti-Corrosion, suitable for a variety of medium
Overload and strong anti-interference ability, stable performance
Application of input hydraulic pressure level transmitter / sensor with LCD:
Industrial site level measurement and control
City water supply and sewage treatment
hydrological monitoring of Petroleum, chemical industry, power plant industry
Level measurement and control of reservoirs, DAMS, water and electricity construction, etc
Technical Data of input hydraulic pressure level transmitter / sensor:
Measurement Range |
0-1-200m H2O |
Allowed overload |
2 times the full range pressure |
Working temperature |
-20 to 80℃ |
Temperature compensation |
-10 ~70℃ |
Storage Temperature |
-40 to 80℃ |
Accuracy (Include nonlinearity, repeatability, hysteresis) |
0.2%FS(Typical), ±0.5%FS(Max) |
Stability error |
0.2%FS(Typical), ±0.5%FS(Max) |
Temperature drift coefficient |
0.01%FS(Typical, the range is not less than 5m H2O), 0.03%FS(Typical, the range is less than 5m H) O) |
Output signal |
4-20mA (2/3 wire), 0-10/20mA 0-5V, 1-5V, 0-10V |
Supply power |
15-36VDC (Standard 24VDC) |
Load (Ω) |
Current output type<(U-15V)/0.02A, Current output type>5K |
Case Material |
Aluminum alloy |
O-ring |
Fluorine rubber |
Diaphragm |
316L stainless steel |
Cable |
Special waterproof breathable cable, Ptfe anti-corrosion breathable cable |
Protection Grade |
IP68(pressure sensor part), IP65(Junction box transmitter) |
Safe Use of input hydraulic pressure level transmitter / sensor :
When measure static liquid level in an open container, put the liquid level transmitter direc tly into the bottom of the container, just use nylon belt or triangular adjustable mounting frame to fix the cable(junction box) in the open position of container.
When measure liquid level in flow liquid, because the medium has a large fluctuation, we can insert one φ45mm steel pipe, and punch several holes on the pipe wall on the opposite side of the fl ow direction the in different heights, then let the liquid flow into the pipe. Another method is to equip the damping device at the bottom of the liquid to filter sediment and eliminate the infulence of dynamic pressure and wave.
Contact : CHANGKUN LIU , +86 15529093019
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