The operation of the flow meter is based on the principle of measuring the flow rate and the amount of liquids and gases by the method of variable differential pressure.
The Irga-RU ultrasonic flow meter converts the volumetric flow rate of the measured medium into frequency, impulse-number or current (a specific type of output signal is indicated when ordering).
The scope of delivery of the Irga-RS jet meter may also include:
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spark protection energy barrier
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platinum resistance thermometer
according to GOST 6651 with accuracy class A or B
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pressure sensor *
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measuring pressure transformer
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Irga-BP ** power supply unit with a built-in spark protection barrier
(if explosion protection is necessary)
Note
* The pressure sensor for hazardous areas must be marked with 0ExiaIICT5 X explosion protection and comply with GOST 30852.0-2002 (IEC 60079-0:1998).
If the measured medium is oxygen, the pressure sensor must have an oxygen version.
** In non-hazardous indoor and outdoor areas, the flow meter is supplied with a DC source, voltage 5-12 V (20 mA) (DC source is not included).