Product features:
- High accuracy and reliability with Germany-made chip;- In-built anti-interference circuit and isolated from the external environment;
- Two-wire system 4-20mA signal output, RS485 signal output is customizable;
- General precision: 0.25 grade, customized 0.1 grade is available;
- High temperature (-40℃～200℃) and corrosion resistant type (concentrated sulfuric acid and concentrated hydrochloric acid) are customizable.
Field of application:
It is 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 environmentalprotection. It can also be used to measure the pressure under low vacuum, atmospheric pressure and harsh environment.
Technical parameters:
Range
-100～0～5, 100, 500, 800, 1000kPa 0～2, 10……100MPa
Pressure type
Gauge pressure, negative pressure and absolute pressure
Output signal
4～20mA, 4～20mA+HART protocol, 4～20mA +RS485 protocol
Input voltage
12～36V DC
Accuracy
0.1
0.2
0.5
Nonlinear repeatability delaying
0.1
0.2
0.5
Zero and sensitivity drift
0.1
0.2
0.5
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-DI Industrial Pressure Transmitter