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AquasModel SMR09 Series -Dissolved Oxygen Analyzer

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Dissolved Oxygen Analyzer is connected directly via RS485 communication interface, providing simple, reliable, cost- saving process data with remote monitoring, calibration, configuration and diagnostics capabilities. The Dissolved Oxygen Meter housing 0in a robust IP68 proof enclosure, 1500 N tensile strength Kevlar reinforced cable, up to 1.2 km digital data transmission, the Dissolved oxygen Transmitter is ideally used in water/wastewater industry.

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  • All-in-One Compact Housing, Built-in Transmitter and Sensors
  • Robust IP68 Water Submersible Protection
  • Plug & Play, On-line Realtime Measurement
  • Ultra Low Power Consumption, Ideal for Outdoor Applications
  • 1500 N Tensile Strength Kevlar Reinforced Cable
  • Temperature Compensation
  • Surge Protection for Power and RS485 Communication
  • RS485 Digital Communication, Minimize Cabling and Engineering Cost
  • Standard Modbus RTU Protocol, Direct Connected with PLC, HMI
  • Membrane is over 12 Months Long Period of Life
  • Auto Cleaning Wiper, Less Maintenance
  • Onboard Memory Allowing Users Easily Calibrate and Configure Sensor at Lab and Distribute to Various Fields Sites
  • Software Tool for Data Monitoring, Calibration , Configuration and Diagnosis
  • Measurement range : 0~20 ppm (mg/L) (0~200 %)
  • Accuracy : 0.1 mg/L (0~8 mg/L)
  • 0.2 mg/L (8~20 mg/L)
  • Resolution : 0.01 mg/L
  • Repeatability : ±0.5% FS
  • Light source : LED 495 nm
  • Operation pressure : 5 Kgf/cm2
  • Operating temperature : 0~50 °C
  • Process flow rate : Min. 0.1 m/s
  • Response time : 1 sec
  • Protection : IP68
  • Temperature sensor : NTC10K
  • Temperature measurement range : 0~50°C
  • Temperature accuracy : ±0.5 °C
  • Housing : SS316L; Titanium
  • Dimension : Φ 16x101 mm
  • Φ 39Χ310 mm (with wiper)
  • Weight :
    • analyzer: approx. 600 g (SS316L); approx. 400 g (Titanium)
    • cable: 80 g/m
  • Surface water, groundwater, industry, fishiery
  • 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 V DC
  • Power: 3.6~12 VDC ±10%, 5 mA
  • Protection: polarity, overload, short circuit
  • Safety: CE, FCC

Typical Applications 

  • Surface water, groundwater, industry, fishiery

Measurement Method 

  • It is based on fluorescent optical technology approved by the ASTM international Method D888-05. Without calibration requirements and oxygen consumption, this lechnology allows measurement in all situations, especially in very low oxygen concentrations environment.