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IP68 Submersible Pressure Transducer for Measure Liquid Level with Display

IP68 Submersible Pressure Transducer for Measure Liquid Level with Display

QST-202 is liquid level pressure sensor with display can be used to measure 0-200m liquid level.With full sealed structure,its defend grade is IP68.

 IP68 Submersible Pressure Transducer for Measure Liquid Level with Display

 

Production Introduction:


QST-202 liquid level transmitters are consisting of well-sealed immerging oil-filled liquid level transducers and special circuit for manometers. Have characteristics of high precision, good stability, long life and easy to fix. Adopt special sealed configuration, so with good capability of anti-leakage.

According the relation between pressure, density and liquid level, the liquid level transducers measure the liquid pressure which in direct ratio with depth of liquid, then via amplificatory circuit, the measured pressure is transferred to standard 4~20mA current signal(or standard voltage signal).

 

 

 

 

 

 

 

 

 

 

 

Feature:

 

Wide measurement range

Sealed structure: IP68.

Various output signal

CE Certificate 

Marking : ExiaIICT6

Integrated construction, LED display can be choosing.

 

Dimensions: (unit: mm)

 

 

Technical Specifications:

 

Measuring media

Liquid which are compatible to 316L   stainless steel

Measuring range

mH2O

0~0.6,0~1,0~2,0~5,0~10,0~20,0~30,

0~50,0~100,0~150,0~200

Overload pressure

%FS

150

Signal output

transmitter, mA (2 wires)

4~20mA

transmitter, Vdc (3 wires)

0~5V, 1~5V, 0~10V, 0~20mA

Power supply

Vdc

12~36Standard 24Vdc

Static accuracy

%FS

±0.1,  ±0.25(Standard)

Zero adjustment

%FS

≤±0.25

Span adjustment

%FS

≤±0.25

Long-term stability

<±0.1%FS/year (20mH2O   )   ±10mm ( ≤20mH2O )

Response time

ms

<2

Storage temp.

ºC

-40~+100

Operation temp.

ºC

-20~+80

Compensated temp.

ºC

-10~+60

Temp. coefficient of ZERO

%FS/10ºC

≤0.2

Temp. coefficient of SPAN

%FS/10ºC

≤0.2

Insulation resistance

M Ω

≥500 @ 100 Vdc

Load resistance

current output, Ohm

250~1100

voltage output, Ohm

>5000

Environmental protection

IP rating

IP 68

pressure memberane material

316L Stainless steel

Electrical connector material

Cast aluminum

Material for housing

Stainless steel1Cr18Ni9Ti

Electrical connection

connector/cable

4-core,Ф7.6 mm   shielded cable with vent pipe which is mechanically strong enough for deep   submersible liquid level measurements

 

 

Electrical connection:

 

 

 

 

 

 

 

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