Smart Water Quality Sensor

M-Node Smart Sensors

Digital water quality sensors for MetriNet and your own PLC

M-Node smart sensors from Badger Meter (ATi) are complete, ultra-low-power digital water quality sensors for 16 parameters. They communicate over an RS-485 bus with Modbus protocol and work in MetriNet systems or directly with a PLC.

Manufactured byBadger Meter
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M-Node Smart Sensors smart water quality sensor by Badger Meter
Overview

About M-Node Smart Sensors

Each M-Node is a complete sensor and transmitter in a miniaturised body. Electronics are galvanically isolated from the power supply and communication link, zero and span data are stored in the node, and an internal clock records run time and can flag when calibration is due.

All nodes communicate on a common RS-485 sensor bus using Modbus protocol and draw their power from the bus. Each node has an IP67 M8 water-tight connector, so sensors can be added or removed without affecting the rest of the system.

Besides MetriNet and SiteBox systems, M-Nodes can be used on their own by system integrators who poll the sensors from their own PLC; setup and calibration are done with the Q51 Mobile Calibrator.

Key Features

Why choose M-Node Smart Sensors

16 parameters

Chlorine species, chlorine dioxide, pH, ORP, conductivity, DO, ozone, turbidity, fluoride, nitrite, PAA, H2O2 and pressure.

Ultra-low power

Can run for long periods on small batteries.

Open communication

RS-485 sensor bus with Modbus protocol.

Two alarm set points

With sensor diagnostics in clear message form.

Calibration stored in the node

Calibrate in the lab and swap in the field.

Sensor Ranges

Sensor part numbers and ranges

00-1847 Free chlorine
0…5.00 ppm
00-1855 Total chlorine
0…5.00 ppm
00-1854 Combined chlorine
0…5.00 ppm
00-1857 Chlorine dioxide
0…5.00 ppm
00-1849 pH
2…12 pH
00-1850 ORP
0…1000 mV
00-1848 Conductivity
0…2000 µS
00-1863 4E conductivity
0…2000 mS
00-1851 Dissolved oxygen
0…20.00 ppm
00-1852 Dissolved ozone
0…2.000 ppm
00-1853 Turbidity
0…40.00 NTU
00-1856 Fluoride
0.1…10.00 ppm
00-1861 Nitrite
0…2.000 ppm
00-1858 Peracetic acid
0…200 ppm
00-1859 Hydrogen peroxide
0…20.00 ppm
00-1864 Pressure
0…300 psig
Applications

Where M-Node Smart Sensors is used

MetriNet and MetriNet Mini systems

SiteBox portable monitors

Direct integration with PLC / SCADA

Bespoke monitoring panels

Works With

Related products

MetriNet Multi-Parameter Monitor by Badger Meter
Multi-Parameter Water Quality Monitor

MetriNet Multi-Parameter Monitor

Modular system with up to 8 of 16 parameters, smart M-Node sensors and remote data transfer.

MetriNet Mini by Badger Meter
Water Quality Monitoring Station

MetriNet Mini

Two or three parameters in a fixed enclosure or portable case; battery or DC power, LTE or Modbus.

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