Products

Basic Water Quality Analyzer
Conductivity Meter

SMR07 series

Conductivity Analyzer

Description
Conductivity Analyzer is connected directly via RS485 communication interface, providing simple, reliable, cost-saving process data with remote monitoring, calibration, configuration and diagnostics capabilities.
Housing in a robust IP68 proof enclosure, 1500 N tensile strength Kevlar reinforced cable, up to 1.2 km digital data transmission, the Conductivity Meter is ideally used in water/wastewater industry.
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Features
  • Replaceable Electrode, Standard M12 Connector
  • All-in-One Compact Endosure, 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 Tensible 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 Sites
  • AQCFG Software Tool for Data Monitoring, Calibration , Configuration and Diagnosis
  • IECEx/ATEX Ex ia IIB T5 Ga Explosive Proof Certification
Applications
Drinking water, surface water, groundwater, industry, water treatment, wastewater
Specifications
General
  • Output Signal: RS485 (Modbus RTU protocol), 19,200 bps, 8 data bits, no parity, 1 stop bit; 4~20 mA
  • Data Resolution: 16 bits (0.001% FS)
  • Surge Protection: 4000 V DC
  • Power: input: 5~12 VDC, 50 mA
  • Protection: polarity, overload, short circuit
  • Safety: CE, FCC
Measurement Method
Theoretically, water free of any contaminants will not conduct electricity. The ability to carry on electric current depends on the presence of ions; conductivity increases with increasing ion concentration. Conductance of a solution is calculated by measuring the electrical current between two or four electrodes set a fixed voltage source and immersed in water sample.

SMR07 Conductivity Analyzer 
Measurement range SMR07-1: 0 ~ 500 mS/cm
SMR07-2: 0 ~ 50 mS/cm
Accuracy ±2% measured value ±5 μS/cm
Resolution 0.1 μS/cm/td>
Repeatability ±1% measured value
Operation Pressure Max. 3 Kgf/cm2
Operating Temperature 0 ~ 60 °C
Cell Cconstant 1.00; 10.0
Response Time 1 sec
Protection IP68
Temperature 
Sensor Pt1000(SMR07-1); NTC 10 K(SMR07-2)
Measurement Range 0~60 °C
Accuracy ±0.1 °C
Resolution 0.01 °C
Repeatability 0.1 °C
Connection 3/4”-14 PT; 5-pin M12 plug
Housing Material POM
Electrode Material Epoxy
Dimension Φ 36 Χ 381 mm
Weight analyzer: approx. 150 g
cable: 80 g/m
Ordering
Note
Standard cable length is 3 m, customized length is available upon request
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