- Standard components of measuring complex ElMetro-SGU:
- microprocessor-based flow evaluation unit FAU.M;
- universal controller MICONT-186;
- ultrasonic flowmeter ElMetro-DGU.1 (-DGU.2);
- temperature sensor with unified current output signal 4-20 mA TSMU and TSPU (basic percentage error: ±0.25%, ±0.5%);
- TSM type resistance temperature detector with nominal static characteristic 100 M in accordance to GOST 6651-2009;
- absolute and excess pressure gauge with current output signal 4-20 mA (basic percentage error is not more than ±0.1%, ±0.15%, ±0.2%, ±0.25%). Gauge type corresponds to GOST 22520-85.
- Measured mediums: pure or contaminated gases and gas mixtures.
- Nominal diameters: 50, 80, 100, 150, 200, 250 and 300 mm.
- Pressure measurement range, in MPa:
- for excess pressure: от 0 до 4.0;
- for absolute pressure: от 0.5 до 5.0.
- Relative measurement error for gas flow rate conversion into a frequency signal under operating conditions:
DRU.1 (single-path model):
- in the range between Qmin and 0,03·Qmax: ±2.0%;
- in the range between 0,03·Qmax and Qmax: ±1.5%;
DRU.2 (double-path model):
- in the range between Qmin and 0.03·Qmax: ±1.5%;
- in the range between 0.03·Qmax and Qmax: ±1.0%.
- Reduced measurement error for gas flow rate conversion into a 4-20 mA current signal under operating conditions:
- DRU.1: 1.5%;
- DRU.2: 1.5%.
- Relative error for measuring reduced volume gas:
- SGU.1 (with a single-path flowmeter): ±2.0%; ±2.5%;
- SGU.2 (with a double -path flowmeter): ±1.5%; ±2.0%; ±2.5%.
- Absolute error for measuring temperature: ±0.8 ºС.
- Relative error for measuring excess pressure: ±0.85%.
- Relative error for measuring operation time: ±0.1%.
- Pipeline mounting options:
- flange connection (Dn50...Dn300);
- stub-in connection (Dn100...Dn1000)*;
- Single-, double- and four-path* models.
- Up to 4 flowmeters ElMetro-DRU could be connected to the measuring complex.
- Flow speed of measured medium: from 0.35 to 34.9 m/s.
- Self-test and signal quality control.
- Working pressure of measured medium: 2.5; 4.0; 10.0*; 16.0* MPa with technological connection in accordance to GOST, ANSI, DIN and etc.
- Measurement of direct and reverse flows is available with minimum pressure losses.
- Recommended length of a straight-line piping:
- before flowmeter: 20·Dn (without flow conditioner);
- before flowmeter: 10·Dn (with flow conditioner);
- after flowmeter: 5·Dn.
- Insensitive to hydraulic impacts.
- Resistant to dirt and drop fraction.
- Temperature range of measured medium: from -50 to +50 °С.
- Ambient temperature range:
- flowmeter ElMetro-DRU (with LCD): from -20 to +50 °С;
- flowmeter ElMetro-DRU (with OLED): from -40 to +50 °С;
- temperature and pressure gauges: from -40 to +50 °С;
- flow evaluation unit FAU.M and controller MICONT-186: from +5 to +50 °С.
- Protection from dust and moisture:
- flow evaluation unit FAU.M and controller MICONT-186: IP40;
- flowmeter ElMetro-DRU: IP65.
* - innovations of 2017