Aquas Inc.Taiwan

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Description :
The Nitrite Analyzer is connected directly via RS485 communication interface, providing simple, reliable, cost-saving process data with remote monitoring, calibration, configuration and diagnostics capabilities.
The NO2-N Analyzer housing in a robust IP68 proof enclosure, 1500 N tensile strength Kevlar reinforced cable, up to 1.2 km digital data transmission, the Nitrite Meter is ideally used in water/wastewater industry.
Features :
  • 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
  • 1.2 Km RS485 Digital Communication, Minimize Cabling and Engineering Cost
  • Software Configuration Calibration and Data Monitoring
  • Standard Modbus RTU Protocol, Direct Connected with PLC, HMI, Eliminate I/O Module Cost
  • Optional Auto Cleaning Wiper, Almost No Maintenance
  • Turbidity or Total Suspended Solids Measurement and Compensation
  • Onboard memory allowing users to easily calibrate and configure sensor at lab and distribute to various fields sites
Specification :
SMR28 Nitrite (NO2-N) Analyzer 
Type Optical
Measurement range SMR28-1: 0~2 mg/L (50 mm)
SMR28-2: 0~10 mg/L (10 mm)
SMR28-3: 0~20 mg/L (5 mm)
SMR28-4: 0~50 mg/L (2 mm)
SMR28-5: 0~100 mg/L (1 mm)
Accuracy ±5% of standard solution
Resolution 0.01 ppm
Repeatability ±3% of standard solution
Light source Xenon flash lamp
Beam Angle 180 °
Light Path Length 1, 2, 5, 10, 20, 50 mm
Process Flow Rate 0.1~10 m/s
Operating pressure Max. 5 Kgf/cm2
Operating Temperature 0 ~ 85 °C
Response time 30 secs
Protection IP68
Turbidity sensor LED 880 nm
Turbidity (or total suspended solids)
measurement range
SMR28-1: 0~50 NTU (or 100 mg/L)
SMR28-2: 0~500 NTU (or 1,000 mg/L)
SMR28-3: 0~1,000 NTU (or 2,000 mg/L)
SMR28-4: 0~2,000 NTU (or 4,000 mg/L)
SMR28-5: 0~4,000 NTU (or 10,000 mg/L)
Turbidity (or total suspended solids ) accuracy ±5% FS
Housing SS316L; Titanium
Dimension                    Φ 75x416 mm
Weight analyzer: approx. 5 Kg (SS316L); 3.5 Kg (Titanium)
cable: 80 g/m
Safety/Quality Approvals :
Drinking water, water treatment, wastewater, fishery
Other 2 :
General
  • 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: 5 or 12 V DC ±10%, 0.5 A
  • Protection: polarity, overload, short circuit
  • Safety: CE, FCC
Typical Applications
  • Drinking water, water treatment, wastewater, fishery
Measurement Method
  • The Xenon flash lamp emits UV-IR light passing through the sample to be analysed. The spectrometer resolve the wavelength into 1 nm. Using the high resolution spectrum, field testing, lab experiment data and advanced algorithms to provide the concentrations of multiple parameters and eliminates mutual interferences such as chemicals, turbidity and color.
Optionals 
PRO Wireless Controller
ECO Wireless Logger
ARK Water Quality Monitoring Buoy
FLO Open Channel Flow Meter
PRV Wireless PRV Controller
HMI Multiparameter Controller
AWS Automatic Water Sampler
PAD IP67 Handheld Meter
SFC Flow Chamber
CAB06 Configuration cable (1.5 m, USB interface)
CAB12 2 ports RS485 cable
CAB16 4 ports RS485 cable
PIM02 Pipe mounting
SAO01 Analog output module(4~20 mA, 1 channel)

Ordering 
Ordering Codes:
Note
Standard cable length is 3 m, customized length is available upon request

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