MAG Flow Meters at the prices of High-End Clamp On Ultrasonic Flow Meters and feature accuracies of 0.5% of READING. Amazing Sensitivity for conductivity requiring a minimum of 5 microSiemens/cm (compared to more than 20 microSiemens/cm required for competitors)
Features LARGE LCD display, shows the Instantaneous Flow Rate, Total Flow, in user selectable units.
Electrode Material: 316L SS
Wetted Materials Teflon, 304 SS, & 316 SS
Flow Body Material 304 SS
Flow Velocity .01 - 15 m/s Nominal 0 - 3 m/s
Accuracy: +/- 0.5% of reading in water.
Repeatability of +/- 0.15% of reading
1/2" to 4" 150# ANSI flange connections, up to 8" available.
Liquid/Gas: 14°F (-10°C) to 350°F (180°C)
Ambient: 14°F (-10°C) to 140°F (60°C)
Power Requirement: 24 VDC 20 Watts maximum;
Output signals: Modbus RTU, 4–20 mA, and 0-10 KHz for flow rate indication
Digital communications: Modbus RTU
Proof Pressure 1.6 MPa, 230 PSIG.
Display: Flow rate, Flow rate 0-100%, and total flow
Wiring connection to enclosure size: M20 x 1.5
Factory Final QC Test Certificate
Electronics Enclosure: IP65
Magnetic flow meters (MAG flow meters) are volumetric flow meters that operate without any moving parts and are ideal for potable water and wastewater applications as well as ideal for any conductive or water based clean or dirty fluid. Magnetic flow meters will generally not work with hydrocarbons, distilled water, and many non-aqueous solutions as they require a conductive fluid of 5 microSiemens/cm minimum.
The table below gives a guideline of the nominal maximum GPM for various pipe sizes. Flows in well designed piping systems, to minimize wear and noise, and energy, are typically no more than 3 m/s max. Note these meters can easily go to 15 m/s for systems, such as high pressure fire fighting systems and blowdown systems.
MAG Meter Dimensions
MAG Meter Installation requirements:
Quick video above showing how to use the front panel buttons. The SECRET password to CHANGE variables is 03210 where 00521 is for VIEWING only. To get back to NORMAL operation hold the Enter button (the right most button) for 3 to 5 seconds. Password to Configure Calibration is 19818
Video above shows how to set up the Flow Units and Full Scale for those units. Note that this scaling is for driving the 4-20 mA and the frequency output so that the Full Scale value at 20 mA and at full scale Frequency is the number that is set. In this case the 4-20 and the frequency will output 20 mA and 5,000 Hz when the display shows 200 GPM. If the display goes OVER 200 GPM the 4-20 and the Frequency will increase until it "bumps it's head" on the maximum value. If the value on the display is GREATER than the value in Full Scale then one would adjust this value to accommodate the anticipated maximum value.
The video above shows how to set up the meter for Pulse and Frequency and shows how the 4-20 mA is configured.
Simulating and validating the 4-20 mA output using the User Interface with 03210is detailed below. You may ALTER these values (AnalogZero and AnlgRange) using 03210 and they will revert when you exit.
Note the 4-20 mA output for this meter is POWERED by the meter. DO NOT connect to a PLC that provides 24 VDC. Connection is made to the 4-20 mA signal using a reading mode just like a Fluke Meter configured to read 4-20 mA DC. The MAG meter provides the 24 VDC for outputting the value to the INPUT of your PLC. Every PLC has the ability to be configured to read this type of 4-20 mA output. (Note: From the main menu the AnalogZero is 49 hits of the UP arrow.) (ADJUSTMENT of the 4-20 Output drive is attained using secret password of 19818 and is risky to use.)
If the meter has been installed the wrong direction you may REVERSE the flow
Note: For FORWARD Flow Direction: Menu 8, Flow Direct FORWARD requires Menu 13: SegmaN Ena to DISABLE
For REVERSE Flow Direction: Menu 8, Flow DirectREVERSE requires Menu 13: SegmaN Ena to ENABLE
IMPORTANT NOTE: This meter is not a "Loop Powered" device, unlike almost all temperature and pressure transducers that are loop powered. This meter takes 500 mA to run so you can see that they can not be Loop Powered. It is CRITICAL that 24 VDC is NOT connected to the 4-20 mA signal lines of COM and I+ where COM is connected to the "low" side,-, of the 4-20 mA and the I+ is connected to the "high" side,+. Your PLC has a mode in it to read these meters that does NOT involve sending power to the meter. These meters are SOURCING the 24 VDC. Connecting 24 VDC to the Current Output lines may void warranty.
The video below shows how to VALIDATE the 4-20 mA signal into your PLC or reading device. Note: If this DOES NOT WORK a likely cause is the power supply does not have enough "power" to provide to the meter. The meter requires a MAX of 500 mA so have a power supply that has the capability to DELIVER 500 mA, even on "start up" where the inrush current given to the electromagnetic coils can rush over 500mA for a few milliseconds.
How to Reset the Totalizer in the MAG Meter. The Password to set the password for the totalizer reset is 19818. We show Clr Sum Key as the 24'th element in the menu structure. The video shows how to set the Totalizer Reset password to 10000.
Insertion MAG Meter overview.
View video above to see how an INSERTION MAG meter is installed, which is DIFFERENT than the flange meters on this product page. Please visit INSERTION MAG meter product listing if you discover you need an Insertion Mag Meter.
1/2" to 4" 150# ANSI Flange Connections, up to 12" available custom.
Temperature Accuracy +/- 1 Deg C
Gas: -40°F (-40°C) to 482°F (250°C)
Std Temp Liquid: -40°F (-40°C) to 662°F (350°C)
High Temp Liquid: -40°F (-40°C) to 626°F (330°C)[Add $450]
Ambient: -40°F (-40°C) to 131°F (55°C)
Power Requirement: 24 VDC, 15 Watts maximum;
3.6 VDC Lithium C Size battery for intrinsic safety mode. Has LCD Display but no 4-20 or ModBus
Output signals: Modbus RTU, 4–20 mA, and 0-1.0 KHz for flow rate indication
Digital communications: Modbus RTU
Max Pressure 1.6 MPa, 230 PSIG. (Custom up to 4.0 MPa 580 PSIG)
Display: Flow rate, Total flow, Temperature, and Pressure
Wiring connection to enclosure size: M20 x 1.5
Factory Final QC Test Certificate
Electronics Enclosure NEMA 4X / IP67
Vortex Meter Velocity Ranges:
The Vortex meter has different minimum and maximum flow velocities it can measure based on the fluid type and meter size. Please note the values below for proper sizing of your meter.
1/2” ANSI Flange: 4-70m/s or 787-13,800 f/mor 13-230 f/s
1” ANSI Flange: 3-70m/s or
590-13,800 f/m or 9.8-230 f/s
2” to 12” ANSI Flange: 1.5-70m/s
or 30.2-13,800 f/m or 4.92-230 f/s
1/2” ANSI Flange: 4-65m/s
or 787-12,790 f/mor 13-213 f/s
1” ANSI Flange: 3-65m/s
or 590-12, 790 f/m or 9.8-213 f/s
2” to 12” ANSI Flange: 1.5-65m/s or 300- 12,790 f/mor 4.9-213f/s
1/2” to 12” ANSI Flange: 0.2-10m/s
or 40- 1,968 f/m or .66-32.8 f/s
Nominal Vortex Flow Rates for Air
The table below gives the minimum, nominal, and maximum velocities for the Vortex Meter for gases to assist users familiar with Thermal Mass Flow Meter sizing guides relative to air, with a density of 0.075 lb/ft^3 for reference. As the pressure goes up the flows go up as well. For example, if the pressure is DOUBLED, so too does the mass flow. Download chart below here:
IMPORTANT Note to Thermal Mass Flow Meter users...
Did you know that Multivariable Vortex Flow Meters offer a significant advantage over Thermal Mass Flow Meters when it is not necessary to measure ultra low or ultra high flows?
Did you know that a Multivariable Vortex Meter is not affected bygas composition? This means you can change gas composition and STILL report the proper Mass Flow! Why utilize a Gas Chromatograph to determine gas composition to correct your Thermal Mass Flow Meter measurement? If you need ultra low flows it makes sense but if your minimum flows are within the measuring range of a Vortex meter then consider a Multivariable Vortex Mass Flow Meter.
As well, it is important to note that Thermal Mass Flow Meters are quite sensitive to moisture in the flow stream. The most common undesirable effect is momentary flow spikes that can upset your control system. Vortex Meters, on the other hand are NOT sensitive to moisture in the flow stream and offer a significant advantage over Thermal Mass Flow Meters if such spikes are determined to be undesirable.
Have you ever have problems with temperature swings causing your Thermal Mass Flow meter to over or under report the flow measurement? The Multivariable Vortex Mass Flow Meter does not exhibit these symptoms simply because the vortex shedding velocity is not a function of temperature or pressure. And, with the Multivariable Vortex Meters built in Pressure and Temperature sensors you can get true Mass Flow, Pressure, AND Temperature and even gather Volume flow on those rare occasions when deemed necessary. And, you have a true pressure measurement as well as the Mass Flow and temperature. All at a price very competitive with Thermal Mass Flow Meters.
HOWEVER, if you DO need very low or very high flows we suggest the use of Thermal Mass Flow Meters. As well, Thermal Mass Flow Meters are ideal as "Insertion Meters" as they are small and if, and ONLY if, there is no moisture, or gas composition changes then the Thermal Mass Flow Meter is a very good choice. Otherwise, the Vortex is the best choice as it has NO sensitivity to the gas composition or droplets or hydrocarbon particulate.
Refer to the chart above for the minimum and maximum flows for the Vortex Mass Flow Meter. Refer to the minimum and maximum velocities for the fluid you wish to use to see if a vortex meter is a good choice. If your flow is within the velocity range of the Vortex meter AND you have moisture or any change in gas composition then a Vortex meter is a better choice over the Thermal Mass Flow Meter.
Vortex Multivariable Flange Meter Dimensions with 150# ANSI B 16.5 Flanges
How to Invoke Variable K-Factors in the TacticalFlowMeter Vortex Flow Meter:
Screen 33 Instructions are for advanced users only. Do NOT invoke this screen on your meter unless you have a pressing need. It is important to note all settings PRIOR to making any changes. Note: Left button HOLD gets you OUT of menus.
NOTE: It is critical to invoke the zero point calibration after installation.
Every Coriolis Meter must be zeroed in the final installation point with the fluid that will be measured.
Make sure the meter has warmed up for at least 15 minutes before invoking the zero function. Make sure the measuring tube is fully filled with liquid. Turn off the stop valves, make sure the liquid is in a stationary state, and enter password 20 to invoke calibrate the zero point. The zero function is in process when the display indicates "Adjust zero" for about 30 seconds and then reverts to the normal display mode, after you hit the bottom left Enter button to start the function. This function is CRITICAL to allow the meter to determine the resonant frequency of the measuring tube is to determine the density of the fluid within it. This step cannot be skipped. Once this step is complete you will want to confirm the measured density is accurate.
This is done in the main running screen by touching the up arrow (upper right hand corner) and confirm the indicated density agrees with the density of your fluid.
Coriolis mass flow meters directly measure the mass flow and the density of the fluid. The volume flow rate is calculated by mass flow divided by density. If the density measured at the zero point is not accurate, then the flow rates will be affected as well.