water flow measurement devices

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1. Labview reads oscilloscope data

Does the subject want to ask "How does Labview read oscilloscope data"?

1、 Firstly, open the "Measurement Automation Explorer" configuration interface in LabVIEW.

2、 Next, select the oscilloscope containing faulty equipment that needs to be used for virtual leakage in "Devices and Interfaces".

3、 Then select the Waveform tab.

4、 Finally, click the "SingleShot" button in the "Acquire" menu to read oscilloscope data.

2. Who knows the detailed content of GB/T 778

This standard only applies to volumetric and velocity water meters.

. Standard number: GB/T 778.1-1996 Chinese standard name: Cold water meter Part 1: Specification English standard name: Measurement of water flow in closed conduits--Meters for cold potable water--Part 1:Specifications National Standard of the Peoples Republic of China for Cold Water Meter Part 1: Specifications Measuerment of water flow in closed conduits GB/T 778.1-1996 -Meters for cold potable water eqv ISO4064-1:1993 -Part 1:Specifications This standard is part 1 of GB/T778 and covers terminology, technical characteristics, metrological characteristics, and pressure loss. This standard is applicable to water meters of different measurement levels (Chapter 5) with a commonly used flow range of 0.6-4000m3/h, a maximum allowable working pressure (MAP) equal to or greater than 1MPa, and a maximum allowable temperature (MAT) of 30 ° C. This standard is only applicable to volumetric and velocity water meters. This part of GB/T 778 must comply with regulatory requirements. The provisions contained in the following standards are referred to as the provisions of this standard by reference. At the time of public water flow measurement devices

ation, all versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB 4208-93 Degrees of Protection Provided by Enclosures (IP Code) GB 4216.4-84 10 bar Grey Cast Iron Pipe Flange Dimensions GB 7306-87 Pipe Threads Sealed with Threads GB 7307-87 Non Threaded Sealed Pipe Threads 3 Definitions This standard adopts the following definitions:. Accumulate the volume of water flowing out by calculating the volume of water flowing through the device. 3.2 Velocity meter is a type of water meter installed in a closed pipeline, consisting of a moving element that is directly moved by the water flow rate. The motion of the moving element is transmitted to the indicator device through mechanical or other means, and the volume of water flowing out in the simple state is calculated. 3.2.1 Spiral wing water meter (Woltmann meter) Woltmann meter is a water meter composed of a spiral wing rotor that rotates around the flow axis. 3.2.2 Single jet and multi jet meters are a type of water meter composed of a turbine rotor that rotates around an axis perpendicular to the water flow. If the beam impact is at a certain point on the edge of the rotor, it is called a single beam water meter; If multiple streams simultaneously impact several points on the edge of the rotor, it is called a multi stream water meter. 3.3 Flow rate is the quotient of the volume of water passing through the water meter and the time required for this volume to pass through the water meter. The unit symbol for flow is expressed in m3/h. 3.4 Common Flow Rate (QP) The optimal flow rate for a permanent flow rate water meter under normal operating conditi

1. Labview reads oscilloscope data

2. Who knows the detailed content of GB/T 778

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