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WATERFLUX 3070 Electromagnetic Flow Meter

krohne WATERFLUX 3070 magmeterElectromagnetic water meter for district metering of potable water and custody transfer (CT) measurement. NMI approved.

The Krohne WATERFLUX 3070 is a battery powered electromagnetic water meter that is used in water abstraction wells, district metering areas (DMA) and custody transfer measurement of potable water (MI-001, OIML R49). Optional pressure and temperature sensors are also available meaning the meter can also be used for leak detection, quality control and pressure management systems.

Unlike mechanical water meters, the WATERFLUX 3070 is maintenance-free and offers a much larger turn down ratio (1000:1). Its measuring tube with a rectangular and reduced cross-section enables a stable measurement even at low flow rates. Due to it's optimied flow profile, the WATERFLUX 3070 can be installed virtually anywhere without straight inlet or outlet runs – behind pipe bends, slide valves or a reduction in the pipe. Even burial installation or use in flooded areas is possible.

The WATERFLUX 3070 offers multiple power supply options. For locations with mains power supply, an optional FlexPower unit is available to connect the battery-powered meter to a 110…230V AC or 10…30V DC power source on site, e.g. an electrical grid, a solar panel or a small windmill. For permanent transmission of multiparameter measurement readings (e.g. flow, pressure, temperature), Modbus RTU communication is available as a simple interface.

For remote or difficult to access measurement points (e.g. abstraction wells), the water meter can also be equipped with a GPRS or 3G module for remote transmission of readings. A full on-site verification of the WATERFLUX 3070 without process interruption can be carried out using the OPTICHECK service tool.

 

Features of the Krohne WATERFLUX 3070 magmeter:

  • Bi-directional flow measurement over a wide dynamic range
  • Unique rectangular sensor design for good low flow performance
  • Available with patented reference electrode: no grounding rings needed
  • High accuracy at peak flows during the day and at low flows during the night
  • Rilsan® coated sensor tube
  • Meets potable water standards: ACS, DVGW, NSF, TZW, WRAS etc.
  • Suitable for immersion in flooded chambers
  • Battery-powered for remote locations or mains powered with battery backup
  • FlexPower option for power connection to electrical grid, solar panel or windmill
  • Unique low power Modbus option for battery-powered version
  • With CT approval for heat meter applications (MID MI-004)
  • Compact or field mounted version
  • On-site verification of flowmeter with OPTICHECK service tool

 

Suitable applications for the WATERFLUX 3070:

  • Remote monitoring of water supplies and distribution networks
  • Water consumption and fiscal metering (custody transfer)
  • Irrigation and abstraction
  • Water treatment
  • Replacement of mechanical turbine meters
  • Leak detection
  • Checking of pumps and water wells
  • Custody transfer flow measurement in district heating networks

 

Specifications:

Sensor Construction
Unique rectangular flow sensor design for DN25 to DN600
25.4mm (1”) to 304.8mm (12”)
Built in reference electrode
Pressure & Temperature Sensor Optional: built-in for DN50 - DNs200 with compact and remote versions
Measuring Accuracy
  • DN25 ... 300; 1 ... 12" down to 0.2% of the measured value +1 mn/s [*]
  • DN350 ... 600; 14 ... 24" down to 0.% of the measured value +1 mn/s [*]
Power Supply
  • 2 internal batteries: Dual D-cell (lithium, 3.6 V, 38 Ah) 
  • External battery pack (PowerBlock): Dual DD-cell (lithium, 3.6 V, 70 Ah) 
  • FlexPower unit for mains power incl. battery backup (Dual D-cell lithium, 3.6 V, 38 Ah): 110...230 V AC; 9…30 V DC/50-60 Hz
Outputs 
  • 2 passive pulse outputs
  • 2 passive status outputs (one status output can be used as a third pulse output)
Communication
  • Version with internal or external batteries: Passive pulses or non-galvanic separated (low power) Modbus
  • Version with FlexPower unit: Passive pulses or galvanic separated (high power) Modbus
Process connections
Flanges: EN1092-1, ASME, JIS, AS 4087, AS2129
Threads: DN25 (G1) and DN40 (G1.5)
Wetted materials
Coating: Rilsan® polymer
Electrodes: Stainless steel, Hastelloy® C (option)
Sensor material
Housing: Sheet steel
Connection box: Stainless steel (IP68)
Material converter housing
Polycarbonate
Custody transfer approvals
OIML R49, MID MI-001
Potable water approvals
ACS, DVGW W270, NSF / ANSI Standard 61, TZW, WRAS
[*] The specified measurement accuracy refers to use with 3D inlet and 1D outlet

Download PDF information on the Krohne Waterflux 3070 Electromagnetic Flow Meter

 

DOWNLOAD SPECIFICATION SHEET

 

 

Flow Type: Liquid Flow Meters, Low Flow