LONN-7FX Anti-corrosion Differential Pressure Transducer

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Product features:

- High accuracy and reliability with Germany-made chip

- Use of 316L isolation diaphragm and stainless steel case

- Two-wire system standard 4-20mA signal output; customized RS485 signal or HART signal output is available;

- General precision: 0.25 grade, customized 0.1 grade is available

- Multiple process interfaces and electrical interfaces are available for selection

- Multiple pressure types are available for selection

- In-built advanced anti-interference and surge protection circuit

Field of application: 

It can be used to measure the pressure, absolute pressure and negative pressure of corrosive gases, liquids and steam in the fields of petroleum, chemical industry, metallurgy, electric power and environmental protection.

Technical parameters:

Range

-10005, 100, 500, 800, 1000kPa; 02, 10……10MPa

Pressure type

Differential pressure

Output signal

420mA, 420mA+HART protocol, 420mA+RS485 protocol

Input voltage

830V DC

Accuracy

0.1

0.20.25

0.5

Nonlinear repeatability delaying

0.1

0.20.25

0.5

Zero and sensitivity drift

0.01

0.020.025

0.005

Temperature compensation

-10℃70℃

Work temperature

-20+85℃

Long-term stability

≤0.1±%FS/year

Response time

1ms

Overload capacity

200%

Load resistance

R=(U-12.5)/0.02-RD

U=power voltage; RD=internal resistance of power source

Measurement medium

Corrosive media compatible with 316L

Diaphragm material

316L stainless steel, heusler alloy C-276

Case material

1Cr18Ni9Ti

Protection rating

IP67

LONN-7FX Anti-corrosion Differential Pressure Transducer

Download: here

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