Power meter scale of operation and maintenance

Abstract: the power meter scale operation and maintenance of the information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Before the operation of the preparation of 1, sensors installed correctly: complete sensors installed in the line must be carefully check before put into operation, the required welding is firm, in the right direction, not leak, strictly proper insertion depth, etc. 2, instrument of colleges and universities: sensor matching instrument. More flow meter manufacturers choose model price quote you are welcome to inquire, here is the power meter scale operation and maintenance of the article details. Before the operation of the preparation of 1, sensors installed correctly: complete sensors installed in the line must be carefully check before put into operation, the required welding is firm, in the right direction, not leak, strictly proper insertion depth, etc. 2, instrument of colleges and universities: sensor meter and smart differential pressure transmitter (flow totalizer. especially There could be pressure transmitter and temperature transmitter) And so on. Must be after inspection and universities can be put into use. The instrument measuring range to conform to the requirements of the sensors and the measured medium. Measured zui large air flow such as Qmax = 5000 m3 / h by calculation to calculate differential zui big value of sensor & Delta; Pmax = 0。 6 kpa, the differential pressure transducer measurement range of 0 - should colleges and universities 0. 4 to 6 kpa, corresponding to the output 20 ma current signal. For requirements, etc. , prior programming configuration, input totalizer. especially can correct operation and make sure totalizer. especially display traffic. 3, instrument wiring correct: sensor and differential pressure transmitter, flow integrating instrument of measuring system, such as supporting the power cord, instrument signal output to the input line, between the control and alarm, etc. , in each instrument wiring board ( Also known as terminal board) Are clearly marked, is must confirm and don't choose to use, before the operation of the instrument connection to check again and again. In order to do the preparing work before put into operation, in addition to read the power of the flowmeter operation instruction handbook ', you should also read the differential pressure transmitter operation instruction handbook ', 'intelligent flow integrating instrument operation instruction handbook' etc, comply with the instruction for the guidance of the work. Meter commissioning work 1, the measurement system is closed: put the preparation has been completed, full of measured medium flow process piping, sensor measuring system is temporarily closed, then you should use three balancing valve is fully open valve group, high pressure valve (P1 and P2 low-pressure valve closed. Meter is in a state of power supply, preheating about 15 minutes. After measuring system open: instrument preheating, open measurement system. On the three valve group opened the P1 and P2 valves, balance valve is still in the open. At this point, the differential pressure transmitter has been filling the measured medium ( Gas or liquid) , open the drain valve on the transmitter, quickly closed after discharge dirty liquid gas. Then close three the balance valve on the valve group, transmitter that is entered into a state of differential pressure measurement. Output differential pressure & Delta; The corresponding signal current 1 & Delta P; P from the signal current value ( MA) To calculate the pressure & Delta; P values ( KPa) 。 Also flow totalizer. especially into work state, show the measured medium flow. If the work is smooth, flow meter works well, commissioning work is complete, delivery production use. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.

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