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Transparency Meter

SMR78 Series

Transparency Analyzer

Description
The Transparency Analyzer is connected directly via RS485 communication interface, providing simple, reliable, cost-saving process data with remote monitoring, calibration, configuration and diagnostics capabilities. Transparency 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
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
  • 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
Specification
SMR78  Transparency Analyzer 
Measurement range 0~2 m
Accuracy ±5% FS
Resolution 1 mm
Repeatability ±3% FS
Light source LED 880 nm
Beam angle 180°
Process flow rate 0.1~10 m/s
Operation pressure Max.5 Kgf/cm²
Operating temperature 0 ~ 85 °C
Response time 1 sec
Protection IP68
Housing SS316L
Dimension Φ 39Χ344 mm
Weight analyzer: approx. 0.7 Kg; Cable: 80g/m
Typical Application
Surface water
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: 3.6~12 VDC ±10%, 45 mA
  • Protection: polarity, overload, short circuit
  • Safety: CE, FCC
Typical Applications
  • Surface water
Measurement Method
  • The analyzer consists of a light source, a sample cell, and a light detector (photo detector). Incident light is absorbed by the sample, and the light is measured by the detector. The value depends on the amount of absorbance in the sample. The transmitter uses a long life LED and the 180° light method. An automated mechanical wiper is to remain surface clean and remove air bubbles of the optical window in order to maximize the accuracy and minimize the maintenance requirement.
Ordering 
Note
Standard cable length is 3 m, customized length is available upon request
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