What does turbo flowmeter tgm2000 mean

Turbine flowmeter TGM2000 is one of the series of self-supporting instruments, TGM is a flowmeter placed in the fluid to measure the flow rate by the impeller sensing the average velocity of the fluid. When the measured gas enters the flow meter, the gas flow is rectified and accelerated by the rectifier. The flowing gas creates a pressure difference across the turbine blades, pushing the turbine to rotate.

A mechanical counter is driven by the drive system to count, and a reed switch outputs low-frequency pulses. At the same time, the transmission mechanism drives the induction wheel, and the intermediate frequency pulse is generated through the photoelectric sensor, which is used in high-demand occasions.

The housing is the pressure-bearing part of the flowmeter, which has high compressive strength.

The movement of the mechanical counter adopts a standard 8-digit decimal structure, which is common with the counting gear of the standard gas meter and the watt-hour meter, which not only maintains the uniqueness of the product structure, but also has the universality of some parts.

The meter head can be rotated 360° for easy reading.

The built-in rectifier can make efficient use of space, improve the gas flow field condition with a small pressure loss, and reduce the length of the upstream and downstream straight pipe sections of the flow meter.

Generally, it refers to the range of range, that is, the range that can be measured by the flowmeter, and the range that can be measured by the flowmeter of different calibers is different.

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Hello, I am a technician of Ningbo Dongchi Measurement and Control. Turbine flowmeter TBQZ is just a model name set by the manufacturer for the product, and some turbine flowmeter models are LWY and so on, which are quite disgusted by the different names defined by different cavity manufacturers.

Turbine flowmeter generally has two outputs, one is a pulse signal, a 4-20mA signal, put this signal to the input end of the totalizer, and you can consult Guangzhou Dichuan Instrumentation Technology Department for others.

What brand, write it out to help you analyze. You should be able to get the corresponding selection table.

You can directly contact the manufacturer to ask Different manufacturers have different calibration models.

The model is different for each one. It's better to ask the manufacturer.

Different manufacturers have different expressions and can represent any parameter.

The zero drift is mainly caused by temperature, that is, when the flow value should be 0, the output of the flow meter is not 0, and it can be set by the flow totalizer. Beijing Connaison technical engineers ask you for answers.

It should be said that the turbine flowmeter itself shows that there is no zero drift problem (the output current signal may drift), because the turbine must rotate and cut the magnetic field lines in order to generate a flow pulse, which can be displayed in the calculation. If there is still traffic after the stop, the reason may be:

1. The downstream valve is not closed tightly, resulting in small flow measurement.

2. There is a false signal of electromagnetic interference on the site, which should not be detected during normal measurement.

After the instrument is fully warmed up, the phenomenon that the output deviates from the zero position is called "zero drift" when the input makes the output zero signal, and the surrounding environment and input remain unchanged. The zero drift of electronic devices is mainly caused by the noise of electronic components.

There are two types of experiments for zero drift for different products, one is the degree to which the zero point deviates from the original position after n hours, and the other is the degree to which the zero point deviates from the original position at the maximum time within n hours (days). Expressed as the absolute value of the maximum deviation as a percentage of the full scale time or the absolute value of the maximum deviation time, the value of which must not be greater than the allowable error of the meter.

It's been used for so long, and the total flow rate is 15 cubic meters.

The total cumulative amount is cubic.

Turbine flowmeters have a turbine that, when in use, is mounted in a fluid piping and is supported by bearings at both ends. When the fluid passes through the turbine, the fluid hits the turbine blades, driving the rotation of the turbine blades. The measuring instrument of the turbine flowmeter measures the flow indirectly through the angular velocity of the turbine blades, and the method used is that the angular velocity of the blades is proportional to the fluid velocity.

Its angular velocity is detected by a sensing coil mounted in the casing, which changes the magnetic flux of the sensing coil when the turbine blades cut the magnetic field lines generated by the permanent magnet inside the casing. The sensor coil sends the detected periodic change in magnetic flux signal to the amplifier of the measuring instrument, and amplifies and shapes the signal.

A pulse signal proportional to the flow velocity is generated, and the cumulative flow value is obtained and displayed by the unit conversion and flowmeter accumulation circuit. At the same time, the pulse signal is also fed into the frequency current conversion circuit, which converts the pulse signal into analog current flow, and then indicates the instantaneous flow value.

How it works:

The fluid flows through the sensor housing, because the blade of the impeller has a certain angle with the flow direction, the impulse of the fluid makes the blade have a rotating torque, the blade rotates after overcoming the frictional torque and the fluid resistance, the rotation speed is stable after the torque is balanced, under certain conditions, the rotation speed is proportional to the flow rate, because the blade has magnetic permeability, it is in the magnetic field of the signal detector (composed of permanent magnet and coil), the rotating blade cuts the magnetic field line, periodically changes the magnetic flux of the coil, so that the two ends of the coil induce electricity.

and Shunda turbine flowmeter.

It is the use of pulse waves to measure the flow rate, when the rotational speed is proportional to the flow rate.

This should be a liquid turbine flowmeter, which was added by the ** merchant you purchased.