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Basic Water Quality Analyzer

SMR12 series

Suspended Solids Analyzer

Description

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

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Features

All-in-One Compact Housing, Built-in Transmitter and Sensors
Robust IP68 Water Submersible Protection, Directly Installed in the Field, No Cabinet Required
Plug & Play, On-line Realtime Measurement
Ultra Low Power Consumption, Ideal for Outdoor Applications
1500 N Tensile Strength Kevlar Reinforced Cable
Surge Protection for Power and RS485 Communication
RS485 Digital Communication, Minimize Cabling and Engineering Cost
Standard Modbus RTU Protocol, Direct Connected with PLC, HMI
Sapphire Glass Windows to Prevent Scratch
Innovative Nano Coating to Remain Window Clean
Auto Cleaning Wiper, Less Maintenance
Onboard Memory Allowing Users Easily Calibrate and Configure Sensor at Lab and Distribute to Various Fields Sites
AQCFG Software Tool for Data Monitoring, Calibration , Configuration and Diagnosis
IECEx/ATEX Ex ia IIB T5 Ga Explosive Proof Certification

Applications

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

Specifications

General

Output Signal: RS485 (Modbus RTU protocol), 19,200 bps, 8 data bits, no parity, 1 stop bit; 4~20 mA
Data Resolution: 16 bits (0.001% FS)
Surge Protection: 4000 V DC
Power: 5~12 VDC, 300 mA
Protection: polarity, overload, short circuit
This measuring device is a Nephelometic Turbidity Unit(NTU)according to ISO7027 (Formazin calibration solution)
Safety: CE, FCC

Measurement Method
The suspended solids transmitter consists of near infrared 880 nm LED light source and one photo detector. Incident light scattered by the particles in the sample, and the scattered lights are measured by the detector. The amount of scattering depends on the amount of material in the sample. 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.

Installation
Submersible, flow through, pipe insertion

MR12 Suspended Solids Analyzer

Measurement Range	SMR12-2: 0~15/150/1,500/15,000 mg/L (depending on sample), auto range SMR12-3: 0~15/150/1,500/15,000/30,000 mg/L (depending on sample), auto range
Accuracy	SMR12-2: ±3% measured value ±1 mg/L (0~1,500 mg/L), ±5% measured value (1,500~15,000 mg/L) SMR12-3: ±3% measured value ±1 mg/L (0~1,500 mg/L), ±5% measured value (1,500~30,000 mg/L)
Resolution	0.001 mg/L
Repeatability	±1% measured value
Light source	LED 880 nm
Process flow rate	Max. 3 m/s
Operating pressure	Max. 10 Kgf/cm²
Operating temperature	0~60 °C
Response time	3 secs
Protection	IP68
Connection	3/4”-14 PT; 5-pin M12 plug
Housing	SS316L; Titanium
Dimension	Φ 42 Χ 196 mm
Weight	analyzer: approx. 500g (SS316L); 400 g (Titanium) Cable: 80 g/m