Products

Pressure Meter
Pressure Meter

SMR01 series

Pressure Transmitter

Description
The Pressure Transmitter is connected directly via RS485 communication interface, providing simple, reliable, cost-saving process data with remote monitoring, calibration, configuration and diagnostic capabilities. Housing in a robust IP68 proof enclosure, 1500 N tensile strength Kevlar reinforced cable, up to 1.2 km digital data transmission, the transmitter is ideally used in water/wastewater industry.
DM (3.6 MB)
Features
  • All-in-One Compact Housing, Built-in Transmitter and Sensors
  • Robust IP68 Water Submersible Protection, Directly Installed in the Field, No Cabinet Required
  • Plug & Play, On-line Realtime Measurement
  • Ultra Low Power Consumption, Ideal for Outdoor Applications
  • 1500 N Tensile Strength Kevlar Reinforced Cable
  • Surge Protection for Power and RS485 Communication
  • RS485 Digital Communication, Minimize Cabling and Engineering Cost
  • Standard Modbus RTU Protocol, Direct Connected with PLC, HMI
  • Onboard Memory Allowing Users Easily Calibrate and Configure Sensor at Lab and Distribute to Various Fields and Sites
  • AQCFG Software Tool for Data Monitoring, Calibration, Configuration and Diagnosis
  • IECEx/ATEX Ex ia IIB T5 Ga Explosive Proof Certification
Applications
Drinking water, stormwater groundwater, industry, water treatment, wastewater, gas petrochemical
Specifications
Measurement Method
The transmitter is with a small profile, piezoresistive silicon pressure sensor packaged in a 316L stainless steel housing in a 1/4-18 NPT threaded fittings. The package utilizes silicon oil to transfer pressure from 316L stainless steel diaphragm to the sensing element. A ceramic substrate is attached to the package that contains laser-trimmed resistors for temperature compensation and offset correction.

Pipe Insertion
Submersible

SMR01 Pressure Transmitter 
General
Output Signal RS485 (Modbus RTU protocol), 19,200 bps, 8 data bits, no parity, 1 stop bit ; 4~20 mA (optional)
Data Resolution 16 bits (0.001% FS)
Surge Protection 4000 VDC
Power 5~12 VDC, 5 mA
Protection Polarity, Overload, Short circuit
Safety CE, FCC
Pressure
Measurement range -1~20 Kgf/cm²
Accuracy ± 0.1% FS
Resolution 0.01% FS
Repeatability ±0.025% FS
Stability(annual) 0.1% FS
Overload 3 X measurement range
Burst >4 X measurement range
Operating temperature 0 ~ 60 °C
Response time 1 sec
Protection IP68
Connection 5-pin M16 plug
Process connection 1/4" NPT
Housing sensor SS316L
Sensor Material SS316L
Dimension Φ 23Χ 110 mm
Weight transmitter : approx. 200 g ; cable: 80 g/m
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