Products

Basic Water Quality Analyzer
Free Chlorine Analyzer

SMR03 series

Free Chlorine Analyzer

Description
The Free Chlorine Analyzer is connected directly via RS485 communication interface, providing simple, reliable, cost-saving process data with remote monitoring, calibration, configuration and diagnostics capabilities. Free Chlorine meter 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.
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DM (2.1 MB)
Features
  • Three Electrode Measurement System, No Reagent Required
  • All-in-One Compact Enclosure, 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, Eliminate I/O Module Cost
  • Electrode is over 24 Months Long Period of Life
  • Real-time pH and Temperature Compensation
  • Auto Cleaning Rotor, Less Maintenance
  • Not Interference by Pressure and Flow Velocity
  • 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, stormwater groundwater, industry, water treatment, wastewater, gas petrochemical
Specifications
Measurement Method
Self-cleaning three electrodes system that uses a platinum anode, a gold cathode electrode and a Ag/Agcl electrode to measure free residual chlorine. No need for chemical reagents, the rotor inside rotates continuously to clean the electrodes. An electrochemical reaction occurs within these electrodes, based on the free chlorine concentration, generating a proportional current.

Installation
Flow through

SMR03 Free Chlorine Analyzer 
General
Output Signal RS485 (Modbus RTU protocol), 19,200 bps, 8 data bits, no parity, 1 stop bit
Data Resolution 16 bits (0.001% FS)
Surge Protection 4000 VDC
Power Input: 5~12 VDC, 20 m
Protection Polarity, Overload, Short circuit
Safety CE, FCC
Free Chlorine Sensor
Measurement range 0~5 mg/L
Accuracy ±0.01 mg/L (0~0.5 mg/L) ; ±0.02 mg/L (0.5~2 mg/L) ; ±0.1 mg/L (2~5 mg/L)
Resolution 0.01 mg/L
Repeatability ±0.01 mg/L
Temperature compensation 0~60 °C
Automatic pH compensation 5-9 pH
First setup time 4 hours
Process flow rate Min. 0.8 l/min
Operating Pressure Max. 5 Kgf/cm²
Operating temperature 0~60 °C
Response time 3 secs
Protection IP68
Connection 5-pin M12 plug
Housing Acrylic 
Sensor Material platium(anode), gold(cathode), Ag/Agcl(reference)
Dimension 350(W)X320(H)X155(D)mm
Weight approx. 1.5 Kg ; cable: 80 g/m
pH
Measurement range 0~14 pH
Accuracy ±0.1 pH
Resolution 0.01 pH
Repeatability ±0.01 pH
Temperature pt100
Measurement range 0~60 °C
Accuracy ±0.1 °C
Resolution 0.01 °C
Repeatability 0.1 °C
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