Aquas - Model SMR10 Series - Basic Water Quality Turbidity Analyzer
From Online Instruments - Basic Water Quality Analyzer
Turbidity Analyzer is connected directly via RS485 communication interface, providing simple, reliable, cost- saving process data with remote monitoring, calibration, configuration and diagnostics capabilities. The Turbidity Meter housing 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
- All-in-One Compact Housing, Built-in Transmitter and Sensors
- Robust IP68 Water Submersible Protection
- 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
- Software Tool for Data Monitoring, Calibration , Configuration and Diagnosis
Specification
- Type: 0~4,000 NTU
- Measurement range: ±2% measured value
- Resolution: 0.001 NTU
- Repeatability: ±1% measured value
- Light source: LED 880 nm
- Process flow rate: Max. 3 m/s
- Operation pressure: Max.10 Kgf/cm2
- Operating temperature: 0~ 60 °C
- Response time: 3 secs
- Protection: IP68
- Housing: SS316L
- Dimension:
- Φ 34 Χ 226 mm (with wiper)
- Φ 22 Χ 130 mm (no wiper)
- Weight:
- analyzer: approx. 500g
- Cable: 80g/m
Typical Application
- Drinking water, surface water, groundwater, industry, water treatment, wastewater
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: input: 3.6~12 V DC ±10%, 45 mA
- Protection: polarity, overload, short circuit
- This measuring device is a Nephelometic Turbidity Unit (NTU) according to ISO7027 (Formazin calibration solution)
- Safety: CE, FCC
Typical Applications
- Drinking water, surface water, groundwater,industry, water treatment, wastewater
Measurement Method
- The turbidity transmitter consists of a light source, a sample cell, and a light detector (photo detector). Incident light is scattered by the particles in the sample, and the scattered light is measured by the detector. The amount of scattering depends on the amount of material in the sample, the wavelength of light used and the size and composition of the suspended particles. The transmitter uses a long life near infrared LED (880 nm) and the 90° scattered light method which complies with DIN ISO 7027 or EPA method 180.1. 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.
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