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use the communicator and apply 4 MA which is your zero

them apply 20 MA which is your span.


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โˆ™ 2010-08-16 10:12:16
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Q: How do you calibrate smart transmitter for flow measurement?
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what is a smart transmitter?

The consequences of living in a postmodern era filter down even to field instrumentation... "Smart" is a marketing term, not a technical definition. Hence, smart means whatever the speaker attempts to define it as, but you as the listener, are not obliged to accept the speaker's definition. Over the past 20 odd years, I have had people tell me smart is: 1) the ability to have the transmitter's output ranged without applying an input 2) the ability to zero/range the transmitter output by applying a process input and pressing a button 3) the ability to configure an elevation offset on a GP/DP transmitter without applying a pressure. 4) the presence of a digital indicating readout on a transmitter, as opposed to an analog indicator. 5) the compensation for temperature drift on pressure transmitters by measuring the temperature and making compensation for it. 6) the ability to change engineering units for the digital indicator. 7) the presence of any digital interface, whether it be HART, foundation fieldbus, Profibus, or even Modbus. 8) the ability to get more than one variable from a transmitter. 9) the presence of 'meaningful diagnostics'. The repeated assertion of the value of 'meaningful diagnostics'. The failure to show a 'meaningful diagnostic' or be able to explain what any specific 'meaningful diagnostic' might be meaningful. 10) The ability to configure a transmitter remotely from the control room, over the wiring to the transmitter, with a handheld gizmo. 11) That newer transmitters are, in fact, smarter than older transmitters because the handheld gizmo has 2 LCD lines in the display, instead of one. 12) The absence of screw adjustment pots 13) Not drawing to an inside straight. I believe only the last definition. You are entitled to believe whatever you heart desires. Even a former US president didn't know the definition of 'is', so who's to define "smart"?

What is flow transmitter?

pressure transmitter

What are the field instruments used in power plants?

Temperature: Thermocouple, RTD, Temperture Transmitter. Flow Transmitter, DP ransmitter, Pressure Transmitter, Pressure switch, Radar level Transmitter, PLC system, Woodward Governor, Ultrasonic flow transmitter. Relay, Control Valve, ON/OFF valve.

What is rotameter transmitter?

rota meter transmitter is a device that is used to measure the flow rate of gases and liquids.

What is coriolis transmitter?

A Coriolis transmitter is a component of the Coriolis flowmeter. It transmits the information gathered by the flow tube sensors. This type of flow meter is used to measure the mass flow rate and density of a fluid.

Which device is used for measurement of liquid flow?

Many different devices for measuring liquid flow rate are listed in the Flow Measurement article at Wikipedia.

If a water flow transmitter indicates 3000 lbhr flow what is the flow rate in gallons per minute?

5 imperial gallons per minute

What is the difference between an ampere and an ohm?

Ampere is a measurement of electrical energy power flow Ohms is the measurement of resistance to flow of energy

How do I select the right flow transmitter?

Factors to Consider To Select an Appropriate Flow Transmitter The consideration of the following factors can lead to a selection of appropriate flow transmitters for industrial processes. Fluid Properties Metering Setup Electronic Considerations Material Quality Standards Learn more about Selection Guide for Flow Transmitters here

What is measurement of strength of an earthquake?

a seismographic flow

What is the measurement of an earthquake's strength?

a seismographic flow

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