Welcome to Ultrasonic Flow Meter News
China plans 'super bus' to ease traffic jams - Rediff
The concept of the 'straddle' bus is unique as cars could drive under its huge uplifted passenger compartment between its 2.2-meter-long legs. The ... The bus will be fitted with an ultrasonic detector on its tail to ...
Read moreNew ultrasonic flowmeter - Control Engineering
Hoffer Flow Controls has introduced its Transi-Flo I family, a new line of ac powered ultrasonic flowmeters designed to provide accurate measurement of conductive, non-conductive, and aggressive liquids. The Transi ...
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Welcome to Ultrasonic Flow Meter Questions and Answers
Resolved Question: what is the custody transfer approval?
i want to ask about (the custody transfer approval) because our consultant was talking about it in the approval of the ultrasonic flow meter for new project thanks moreVoting Question: what is the negative impact if a butterfly valve is operated at below 20% opening?
In one of the gas filtering and metering stations, a butterfly valve (B.V) skid (two runs) is installed upstream ultrasonic-based (USM) metering skid (two streams) such that the outlet isolation ball valve of the B.V skid goes to the same header to which the inlet isolation ball valve of the USM is connected. The B.V is equipped with smart Siemens positioner and Biffi pilot. The B.V is required to function as flow limiting tool. The station PLC (installed in the control room) compares flow rate set values (manually daily-entered) with USM actual flow measurements and sends electrical analog (4/20 mA error signal) to the smart positioner which drives the Biffi pilot and finally this pilot control the B.V movement (opening percentage). The problem is as follows: As long as the PLC 'sees' the actual flow (measured by USM) is greater than the flow rate values set points, it forces the B.V to close till reaches 15% opening. Then every thing went into chaos/disorder. At increasing load demand from power plant, the butterfly valve is strongly throttling the flow, the buffer size between the gas station and the power plant is small (few meters pipeline), the pressure downstream the B.V starts to decay and the DP across the B.V starts to increase, noise / vibration generated in the P/L and the USM paths starts to be lost and of course the error signal of the PLC sent to the B.V is erratic and the USM could give erroneous reading of flow rates 3 times higher than the station max. flow. This situation will continue till we isolate the Butterfly operation. My Question is : What is exactly the cause of this problem ? What is this butterfly doing ? Could any one give me problem analysis ? Any suggestions? I'm drowning Please HELP ?????????????? moreVoting Question: Physics Doppler Effect!?
Doppler flow meter uses ultrasonic waves to measure blood-flow speeds. Suppose the device emits sound at 3.6 MHz (M is Mega or 10^6) and the speed of sound in human tissue is 1540 m/s. What is the expected beat frequency if blood is flowing in the large leg arteries at 0.02 m/s directly away from the sound source? moreVoting Question: How Ultrasonic Flow meter is Good in measurement?
moreResolved Question: applications of ultrasonic range meters?
it should not be flow meters but appln of distance meters moreResolved Question: ultrasonic flow meter?
The error code for xmt868 starts with E0,EI.....what is the meaning when there is no E in this locatio. Type:ultrasonic flow meter for LPG measurement.panametrics. moreResolved Question: ultrasonic flow meter?
The error code for xmt868 starts with E0,EI.....what is the meaning when there is no E in this locatio. moreResolved Question: What's the problem using an ultrasonic meter to measure flow in a galvanised steel pipes?
I need to measure the flow of water in a galvanised steel pipes, but someone told me that is not possible to use this type of meter. moreResolved Question: how does a ultrasonic works(to measure velocity of an partical)?
i have to complete a seminar on "doppler's effect ultrasonic flow meter" and i have to throw some light on how does ultra sonic transducer works it in doppler's effect ultrasonic flow meter? please help i have to submit it within a week. moreTop Ultrasonic Flow Meter Links
Ultrasonic flow meter - Wikipedia, the free encyclopediaAn ultrasonic flow meter measures the velocity of any liquid or gas through a pipe using ultrasonic transducers. The results get slightly affected by temperature, density or ... |
Ultrasonic Flow MetersAn ultrasonic flow meter is a non-intrusive device that measures volumetric flow. |
Flow Meter Directory | Flowmeters since 2002Flow Meter Resource Site Since 2002. Leading Manufacturers of PD, Magmeter, Turbine, Vortex, Venturi, Ultrasonic, Thermal Energy, orifice plate and others for water, liquids ... |
Clamp On Ultrasonic Flow MeterPortable clamp-on ultrasonic flow meter for all liquids and gases. Clamp-On and Wetted Transducers using transit time and doppler technology. |
ultrasonic flow meter bs&w watercut sampler static mixerultrasonic flow meter manufacturer comparible with turbine flow meters crude oil sampling systems static mixers bs&w watercut low and full cut meters crude oil autosamplers ... |