Aquas INC.

- Model SMR35 Series - Chlorophyll a Analyzer



Chlorophyll a 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 Chlorophyll a Meter is ideally used in water/wastewater industry.

  • Robust IP68 Water Submersible Enclosure, Solution Without Cabinet
  • On-line Realtime Measurement
  • Ultra Low Power Consumption, Ideal for Outdoor Applications
  • High Reliability, Drift Free
  • Surge Protection for Power and RS485 Communication
  • Software Configuration Calibration and Data Monitoring
  • Standard Modbus RTU Protocol, Direct Connected with PLC, HMI, Eliminate I/O Module Cost
  • 1.2 Km RS485 Digital Communication, Minimize Cabling and Engineering Cost
  • Innovative Nano Coating to Remain Window Clean
  • Optional Auto Cleaning Wiper, Almost No Maintenance
  • Onboard memory allowing users to easily calibrate and configure sensor at lab and distribute to various fields sites

  • Measurement range : 0~500 μg/L
  • Accuracy : Linearity R2 > 0.999 for serial dilution of Rhodamine WT solution equivalents
  • Resolution : 0.01 μg/L
  • Repeatability : ±1% FS
  • Light source : LED 460 nm
  • Operation pressure : Max.5 Kgf/cm2
  • Operating Temperature : 0~85 °C
  • Process flow rate : 0.1~10 m/s
  • Response time : 1 secs
  • Protection : IP68
  • Housing : SS316L; Titanium 
  • Dimension : Φ 34Χ226 mm
  • Weight : analyzer: approx.500 g; cable: 80 g/m

  • Output Signal: RS485 (Modbus RTU protocol); 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

Measurement Method

  • It is based on fluorescent optical lechnology. A fluorometer generates the wavelength of light required to excite the analyte of interest, it selectively transmits the wavelength of light emitted, then it measures the intensity of the emitted light. The emitted light is proportional to the concentration of the analyte being measured.

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