Product features:
- Wide measuring range: 0～1m～200mH2O
- Multiple outputs available: 4-20mA, 4-20mA+Hart, 0.5-4.5V, MODBUS-RTU/RS485
- Hard ceramic diaphragm resistant to corrosion
- Flat-diaphragm structure design applicable to sewage and silt occasions
- Anti-condensation technology and anti-interference design
- All-welded structure and protection rating up to IP68
Level transmitter working principle:
LONN-4LX level transmitter is an all-sealed input ceramic level measuring instrument which uses imported flat-diaphragm ceramic sensor as sensitive element. Through sealed package it is made into an industry-standard 4 ~ 20mA or 0.5 ~ 4.5V signal integrative product.
Field of application:
The product is mainly applicable to dams, rivers and other occasions where are rich in sediment to realize the measurement and control of static and dynamic level of various liquids.
Technical parameters:
Range
-100～0～5, 100, 500, 800, 1000kPa
0～2, 10……40MPa
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（0.25）
0.5
Nonlinear repeatability delaying
0.1
0.2（0.25）
0.5
Zero and sensitivity drift
0.01
0.02（0.025）
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
Case material
1Cr18Ni9Ti
Protection rating
IP67
LONN-4LX Sewage and Silt Measuring Input Level Transmitter
Download: here