Irga-2.3S fluid meter

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Description

The physical principles of the flow measurement methods using one or another converter are not important for interfacing with the computer.

Metrological characteristics of the meter are independent of contamination and the composition of the measured liquid.

Irga-2.3S includes:

Irga-2 computer (hereinafter referred to as the computer)
Irga-RV vortex flow meter (basic complete set*)
pressure sensors
thermal converters

* the complete set with the Irga-RS jet flow meter is optional.

Technical characteristics

Medium*	Liquid: water petrochemicals aggressive and cryogenic liquids ** (liquid hydrogen, oxygen, nitrogen, etc.); solutions, suspensions, emulsions and melts of substances, including produced water
Notes * Including media contaminated with various impurities ** A special modification of the Irga-RV vortex flow meter is produced for liquid and gaseous cryogenic media (the Irga-RV cryogenic flow meter)
Range of consumption measurement, minimum	With the Irga-RV vortex flow meter: 1:80 (Q_min/Q_max) With the Irga-RS vortex flow meter: 0.0010 to 3,000 m³/h
The limit of the main relative error of flow measurement	With the Irga-RV vortex flow meter: straight-way version: up to ± 1.0% submersible version: up to ± 2.0% (in the range from 0.05Qmax to Qmax) up to ± 2.5% (in the range from Qmin to 0.05 Qmax) With the Irga-RS jet flow meter: up to ± 1.0%
Nominal diameter (DN)	With the Irga-RV vortex flow meter: 20 to 800 mm (straight-way version) 400 to 3,000 mm (submersible version) With the Irga-RS jet flow meter: 10 to 25 mm
Medium pressure	up to 40 MPa (400 atm)
Medium temperature	With the Irga-RV vortex flow meter: - 55 to + 460 °С With the Irga-RS jet flow meter: - 55 to + 80 °С
Medium temperature	- 55 to + 80 °С
Archive depth	up to 62 days (hourly) up to 2 months (daily) up to 2 years (annual)
Power supply	AC: 220 V, 50 Hz DC: 24 V lithium battery: 3.6 V solar battery
Power consumption	no more than 10 W
Mean operating time	12 years
Warranty life	50,000 hours

Versions

The ranges of the measured flow rates of liquid media with a density of 1,000 kg/m3 and a viscosity of 1 cSt (density and viscosity of water), at t = 20 °C (straight-way version)

Nominal diameter DN, mm*	Operating consumption, m³/h
Nominal diameter DN, mm*	minimum	maximum*
20, 25**	0,100	10
20, 25**	0,160	12
32	0,250	20
40	0,300	24
50	0,625	50
80	1,250	100
100	1,875	150
150	6,250	500
200	12,500	1 000
250	15,625	1 250
300	20,000	1 400

Note

* The upper limit of measurement under operating conditions, if necessary, can be changed in agreement with the manufacturer.
** There are two versions for DN20 and DN25.

Measured flow ranges for liquids
with a viscosity of 1 cSt (water viscosity)
(submersible version)

Nominal diameter DN, mm	Operating consumption, m³/h
Nominal diameter DN, mm	minimum	maximum
400	40	3 000
500	65	4 800
600	90	7 000
700	120	9 000
800	160	12 500
900	200	15 000
1 000	250	18 000
1 200	360	28 000
1 400	480	35 000
1 500	550	42 000
1 600	650	50 000
1 800	800	60 000
2 000 *	1 000	75 000
3 000 *	1 500	100 000

Note

* For flow meters with a DN greater than 2,000 mm, the upper limit of the flow measurement is customized, agreed with the manufacturer of the flow meters and entered in the log of the flow meter.

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Irga-2.3S fluid meter

The ranges of the measured flow rates of liquid media with a density of 1,000 kg/m3 and a viscosity of 1 cSt (density and viscosity of water), at t = 20 °C (straight-way version)

Measured flow ranges for liquids with a viscosity of 1 cSt (water viscosity) (submersible version)

Measured flow ranges for liquids
with a viscosity of 1 cSt (water viscosity)
(submersible version)