How to choose the metal rotameter scale?

Abstract: how to choose the metal rotameter scale? Information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Metal rotameter is suitable for small diameter and low velocity medium flow measurement; Reliable operation, small amount of maintenance, long service life; Straight pipe for the request is not high; A wide flow than 10:1. Double line large LCD display, optional site, according to the instantaneous/cumulative flow can bring. More flow meter manufacturers choose model price quote you are welcome to inquire, here's how to choose metal rotameter scale? The article details. Metal rotameter is suitable for small diameter and low velocity medium flow measurement; Reliable operation, small amount of maintenance, long service life; Straight pipe for the request is not high; A wide flow than 10:1. Double line large LCD display, optional site, according to the instantaneous/cumulative flow can take backlit uniaxial sensitive indicator; Non-contact magnetic coupling transmission; Metal rotameter all-metal structure, and is suitable for high temperature, high pressure and strong corrosive medium; Can be used for flammable, explosive or dangerous situation; Optional two wire, batteries, communication power supply way; Multiple parameter calibration function; Metal rotameter with data recovery, data backup and power-fail protection function. How to choose the metal rotameter? 1, zui appropriate installation for the next into the vertical installation. 2, measuring high temperature and low temperature ( - - - - - - Below 30 ℃) Medium, zui good used of model. Three big changes, not suitable for measuring density of medium. 4, not suitable for measuring pulse medium flow ( Such as metering pump export) 。 5, for gas in no temperature pressure compensation, should be considered separately. 6, for more than one instrument installation or dense carbon steel piping through the instrument near to the instrument to keep a distance of more than 100 mm, avoiding interference magnetic field. 7, contains a lot of ferromagnetic particles medium flow measurement, to add magnetic filter in front of the instrument, and purging time. 8, metal rotameter requirement for straight pipe is not high, generally for the first 5 d after 250 mm. 9, if choose flame-proof occasions use instrument, should choose round shell M4 indicator. 10 meter high and low alarm is generally open collector OC gate way, current amplification should be carried out with relay, and optional relay output type, contact capacity of a30vdc 1 or 0. 25 a250vac or 0. 5 a125vac11, suitable for small low velocity of gas, liquid and steam flow measurement. 12, magnetic coupling principle of high voltage without leakage. 13, high temperature resistant, up to 450 ℃. 14, affected by a certain viscosity, unfavorable measuring high viscosity medium. 15, when the flow rate is in excess of 100 m3 / h water flow, pressure loss. More than 16, for process control instrument, zui good accuracy is 1%, general is 1. 5%, the range than 10:1. 17, safety explosion-proof, flameproof all have, suitable for dangerous situations. 18, in situ pointer type, battery type, two wire, 220 v ac power supply, and other forms to choose from. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.

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