Abstract: the liquid displacement meter scale verification information produced by excellent flow meter
, flow meter manufacturer to offer you the quotation.
Displacement meter, also called displacement meter, referred to as 'PD flowmeter
, the flow meter is of high precision zui.
It USES mechanical measuring element to divide fluid continuously into the volume of a single known part, according to the measuring chamber of successive and repeatedly.
More flow meter manufacturers choose model price quote you are welcome to inquire, here is a liquid displacement meter scale test article details.
Displacement meter, also called displacement meter, referred to as 'PD flowmeter, the flow meter is of high precision zui.
It USES mechanical measuring element to divide fluid continuously into the volume of a single known part, according to the measuring chamber of successive repeatedly the number of full of emissions and the volume of fluid to measure the total fluid volume.
Here are using volume tube flow device testing liquid flow meter method.
The appearance of the cosmetic requirements flowmeter should be good.
Should have brand logo and add seal of the institution.
Basic error and accuracy of the meter level meter basic error and accuracy level are shown in table 8 -
Table 8 -
16 basic error and accuracy level accuracy level 0.
5 to 1.
0 to 1.
Five basic error level 0.
Flowmeter repetitive flowmeter repeatability of each traffic point should not exceed 1/3 of the flowmeter basic error limits.
The volume tube device of the verification flow meter should be effective verification certificate, the accuracy should be better than 1/3 of the basic error detected flowmeter.
Device volume tube flow range should be able to cover a flowmeter flow range.
For flow meter with pulse output, should be able to guarantee a verification of the relative error of the pulse counting absolute value is less than 1/3 of the flowmeter repeatability.
For better than 0.
5% level meter should be the medium pressure measuring meter, it can be installed near the entrance of the flowmeter pressure gauge, when the volume in the tubes of medium pressure higher than atmospheric pressure should also be measured volume tube pressure device.
Volume tube device entry, exit flow control valve installation, and can adjust at will the flow of the inspection point and demand remained stable.
Verification flow time, when the vapor pressure above atmospheric pressure of test medium the device should be closed, to ensure the verification medium from the atmosphere.
Meter should be installed in front of the venting device, fill medium with test tube, make it not mixed gas and gas separation from the medium and emptying.
The need to measure the density of the medium, should have the corresponding density meter accuracy.
General should use second-class standard density meter.
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So for you need to choose and buy the instrument, we will definitely is zui good choice.
And we will offer you about everything you need to know the information related to instrument.
So please continue to pay attention.
Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.
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