Basis WQMS - ATI_Q52_MetriNet_Literature.pdf
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- Solicitation number
- 36C25923R0113
About this file
This document contains literature on the MetriNet continuous water monitoring system provided by Analytical Technology, Inc. The MetriNet system is a modular, low-power solution for monitoring up to eight water quality parameters at remote locations. It utilizes smart digital sensors called M-Nodes to monitor parameters such as chlorine, pH, conductivity, turbidity and pressure. Data is transmitted from the sensors via an RS-485 bus to a MetriNet controller, and then to cloud-based storage or a user-defined destination using cellular, Wi-Fi, Ethernet, or other wired protocols. The system is flexible and scalable, with options for battery-powered operation, intermittent sampling to conserve water, and GPS location tracking via the controller. Available M-Node sensors cover a variety of parameters, while the modular design allows customizing the system to site-specific monitoring needs.
The related federal contract opportunity is a solicitation from the Department of Veterans Affairs for installing a continuous water monitoring system at VA facilities. It did not provide pricing or response deadline details.
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METRINET FEATURES
MetriNet, derived from Network Metrics, is a low-power, modular system for monitoring water quality parameters and collecting data at remote locations. This system is ideal for monitoring drinking water distribution systems, greenhouse water delivery systems, produce section misting systems, and other clean water applications.
MetriNet provides a robust monitoring package of up to eight different parameters and provides reliable collection and transmission of the acquired data. The system provides several methods for delivering this information including:
cellular modem, Wi-Fi, wired Modbus, Ethernet/IP, or Profibus DP, as well as cloud-based data storage.
At the heart of the MetriNet system are a new series of smart digital sensors. M-Nodes are a complete sensor and transmitter housed in a miniaturized body. M-Nodes operate as independent modules that can be linked via a communication bus.
Sensor and bus connectors are IP-67 rated for maximum signal protection. Communication between M-Node sensors and the user data collection system is handled by the MetriNet Controller. The Controller allows setup and calibration of M-Nodes, as well as storing data and transmitting data to either local or remote locations
Flexibility is the key to the MetriNet system. The modular nature enables users to assemble a monitoring package that fit individual site requirements. All nodes plug directly into MetriNet systems and are powered directly from the communications bus. Nodes may be added or removed as needed, and removal of a node will not affect system measurements.
Data sampling rates are user selectable to minimize power consumption. Data is stored locally in standard .csv file format for easy manipulation with spreadsheet programs. Cellular data transmission may be directed to commercial storage sites or directly to customer site.
• Options for cellular modem, Wi-Fi, or wired Modbus, Ethernet/IP, or Profibus DP
• Stores data at user defined intervals from 0.1-60 minutes
• Stores over 300K values, or 30 days of data for 8 sensors at 1 minute data interval
• Accepts up to 8 M-Node sensor inputs
• Internal Micro-SD RAM card provides data backup in the event of communication problems
• Addition of a low power solenoid valve allows intermittent sample flow
• Solenoid controlled by MetriNet UI which also shuts down all M-Nodes to conserve power
M-NODES CONTROLLER
Sensor Bus
Cellular
Wi-Fi
Modbus RTU 12-24 VDC Ethernet/IP
Pro�bus DP
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• Complete sensor and transmitter housed in a miniaturized body
• Electronic assemblies are galvanically isolated from the power supply and communication link
• Zero and span data stored internally so calibration can be done anywhere
• Internal clock records total run time on the sensor
• Calibration timer can alert users when calibration is due
• Two alarm set points are available
• Sensor diagnostics report problems in clear message form
Power consumption requirements of traditional water quality monitors prevent their use in locations where AC power is not available. The low power design of the MetriNet system allows these monitors to operate on 12-24 VDC power, as well as battery power, without sacrificing reliability.
To further improve power consumption, the MetriNet system allows users to operate in either continuous or cycle modes. In full continuous mode, power is constantly applied to M-Nodes and measurements are continuously taken. When operating in cycle mode, the measurement nodes are placed in “sleep mode” for much of the time. Every 15 minutes, the Nodes are switched to “full power” for about 15 seconds in order to take a reading and store data. Operation in cycle mode extends battery life considerably.
MetriNet flow cells are modular, allowing assembly of from 1 to 8 flow chambers. Each chamber holds one M-Node sensor with a simple bayonet connection.
A rotating lock-ring clamps flow chambers together for easy assembly. A flow control device is integrated into the outlet fitting of the MetriNet flowcell to control sample flow to 0.2 LPM over 10-100 PSIG (70-700 kPa) inlet pressure range. The first flow chamber is supplied with a push-to-connect fitting for rigid ¼“ o.d. tubing.
An internal mesh screen protects the flow element from particles larger than 100 micron that might enter the system, and is easily removed for inspection and cleaning, if necessary.
DIN rail mounting clips attached to each MetriNet flow chamber allow assembled flow systems to be easily rail mounted.
MODULAR FLOW SYSTEM
POWER OPTIONS
A typical MetriNet system that is connected to a continuous sample flow of 200 ml/min will consume about 75 gallons per day. In many cases, this amount of water consumption will not be significant.
However, in some cases, the user may wish to minimize the amount of water consumed by the MetriNet system.
The MetriNet controller provides a cyclic operating mode that allows the user to minimize the daily water consumption. When the solenoid valve is closed, there is no flow to the system and no measurements are taken. At user specified intervals, the solenoid valve is opened to allow fresh water into the system. Sample continues to flow for a selectable amount of time, then a measurement is taken and data is stored locally. When this cycle is complete, the solenoid is returned to a closed position and flow is once again restricted from the system.
Cyclic sampling can reduce water consumption to less than 5 gallons per day at most sites.
WATER CONSERVATION
The table below provides an estimate of power/battery requirements for the system.
Note: During modem operation, power draw can spike to about 150 mA for the duration of the data transfer. A typical daily data transfer takes about 3 minutes.
System Type Full Power Mode (at 12V) Low Power Mode 12-24 VDC with modem 43 mA + 3 mA/node 15 mA + 3 mA/node 12-24 VDC without modem 30 mA + 3 mA/node 15 mA + 3 mA/node 12 V battery with modem 26 mA + 3 mA/node 4 mA + 3 mA/node 12 V battery without modem 12 mA + 3 mA/node 4 mA + 3 mA/node
Represented by:Analytical Technology, Inc.
6 Iron Bridge Drive Collegeville, PA 19426 Phone 610.917.0991 Toll-Free 800.959.0299 Fax 610.917.0992 Email sales@analyticaltechnology.com
Analytical Technology Unit 1 & 2 - Gatehead Business Park Delph New Road, Delph Saddleworth OL3 5DE Phone 01457 873 318 Fax 01457 874 468 Email sales@atiuk.comA
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Visit Us on the Web: www.analyticaltechnology.com
03-0488 Flow Chamber with inlet and fitting
03-0489 Additional Flow Chamber
03-0491 Flow Assembly Outlet with flow regulator, 90° fitting
03-0490 Flow Assembly Outlet without flow regulator, 90° fitting
36-0067 Latching solenoid value, 12 VDC
03-0495 4-Node Bus Bar
31-0202 Node to Bus Bar Cable
31-0212 Bus bar jumper cable (for 2 bus bar assemblies)
03-0515 MetriNet 14” x 14” assembled panel for up to 4 nodes
00-1816 12 VDC Power Supply, 100-240 VAC Input
00-1817 MetriNet Alkaline Battery Box (for 8 D-Cells)
00-1822 MetriNet Lithium Battery Box (for 4 D-Cells)
31-0208 Power Supply Interface Cable, 12”
00-1795 MetriNet Controller, 12-24 VDC with SD Card
00-1796 MetriNet Controller, 12-24 VDC with SD Card & 3G modem
00-1811 MetriNet Controller, 12V Battery with SD Card
00-1814 MetriNet Controller, 12-24 VDC with SD Card & 2G modem
00-1812 MetriNet Controller, 12V Battery with SD Card & 3G modem
00-1815 MetriNet Controller, 12V Battery with SD Card & 2G modem
00-1798 Portable M-Node Calibrator
FLOW ASSEMBLIES
BUS ASSEMBLIES
PANEL ASSEMBLY
POWER SUPPLY OPTIONS
METRINET CONTROLLER
M-NODES
MetriNet controllers contain a GPS module so that users may automatically identify the exact location of an installation. Using the GPS data, sites can be easily tied to map locations. If a controller is moved to another location, the position change is again updated.
SITE LOCATION
Part Number Parameter Range Resolution
00-1847 Free Chlorine 0-5.00 ppm 0.01 ppm 00-1854 Combined Chlorine 0-5.00 ppm 0.01 ppm 00-1855 Total Chlorine 0-5.00 ppm 0.01 ppm 00-1849 pH 2-12 pH 0.01 pH 00-1848 Conductivity 0-2000 µS 1 µS 00-1850 ORP 0-1000 mV 1 mV 00-1851 Dissolved Oxygen 0-20.00 ppm 0.01 ppm 00-1856 Fluoride 0.1-10.00 ppm 0.01 ppm 00-1852 Dissolved Ozone 0-5.00 ppm 0.01 ppm 00-1857 Chlorine Dioxide 0-5.00 ppm 0.01 ppm 00-1858 Peracetic Acid 0-200 ppm 1 ppm 00-1859 Hydrogen Peroxide 0-20.00 ppm 0.01 ppm 00-1853 Turbidity 0-40.00 NTU 0.01 NTU 00-1864 Pressure 0-300 PSIG 1 PSIG 00-1863 4E Conductivity 0-2000 mS 1 µS
M-Node sensors are available for a variety of water quality parameters. Users simply select the parameters required for a specific location and assemble them into an integrated system.
All Nodes communicate on a common RS-485 sensor bus using Modbus protocol. Each M-Node has an IP-67 M8 water-tight connector for external communication. Power for the M-Node system is also supplied via the RS-485 bus.
Nodes may even be used independently by system integrators who wish to communicate directly with the nodes using their own PLC system.
AVAILABLE M-NODES
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