Aquas INC.

- Model SMR37 Series - PAHs Analyzer

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PAHs Analyzer is connected directly via RS485 communication interface, providing simple, reliable, cost-saving process data with remote monitoring, calibration, configuration and diagnostics capabilities. Polycyclic Aromatic Hydrocarbons Analyzer housing in a robust IP68 proof enclosure, 1500 N tensile strength Kevlar reinforced cable, up to 1.2 km digital data transmission, the Oil in Water Analyzer 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
  • Standard Modbus RTU Protocol, Direct Connected with PLC, HMI, Eliminate I/O Module Co
  • Software Configuration Calibration and Data Monitoring
  • 1.2 Km RS485 Digital Communication, Minimize Cabling and Engineering Cost
  • Sapphire Glass Windows to Prevent Scratch
  • 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

  • Parameter : Crude oil; Refind fuels, Napthalene, Gasoline, Diesel,Benzene, Hydaulic oil
  • Measurement range :
    • SMR37-1: 0~500 μg/L (PAH)
    • SMR37-2: 0~5,000 μg/L (PAH)
    • SMR37-3: 0~50 μg/L (PAH)
  • Accuracy : ±5% FS
  • Resolution : 0.1 μg/L
  • Light source : Xenon flash lamp
  • Operation pressure : 5 Kgf/cm2
  • Operating temperature : 0 ~ 55 °C
  • Process flow rate : 0.1~10 m/s
  • Response time : 10 secs
  • Measurement interval : 10 ~ 600 sec (adjustable)
  • Protection : IP68
  • Housing : SS316L; Titanium
  • Dimension : Φ 68 x 301 mm
  • Weight : analyzer: approx. 1.9 Kg
  • cable: 80 g/m

  • Drinking water, surface water, industry, water treatment, wastewater

  • 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: 1000 V DC
  • Power: 10~28 V DC, 0.5A
  • Protection: polarity, overload, short circuit
  • Safety: CE, FCC

Typical Applications

  • Drinking water, surface water, industry, water treatment, wastewater

Measurement Method

  • It is based on fluorescent optical technology. 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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