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Data sheet - VA 521 - EN

Data sheet - VA 521 - EN
2Pages

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Flow VA 521 - Compact inline flow sensor for compressed air and other types of gas No inlet section necessary – integrated flow straightener – sensor unit removable The newly developed VA 521 combines modern digital interfaces for connection to energy monitoring systems with a small, compact design. The VA 521 is always used when many machines (compressed air consumers) are to be integrated into an energy monitoring network. Readout values in the display can be rotated by 180°, e.g. for overhead installation • Compact, small design - for use in machines, behind maintenance unit on the end user Display shows 2 values at the same time: • All interfaces are freely programmable via the display • Present flow in m³/h, l/min,... • Modbus-RTU output • Total consumption (counter reading) in m³, l, kg • 4...20 mA analogue output for present flow • Temperature measurement • Pulse output total flow (counter reading), electrically isolated. Optional: M-Bus, Ethernet interface or PoE Screw-in thread: Easy installation into the existing pipe due to integrated measuring section (suitable for 1/2", 3/4", 1", 1 1/4", 1 1/2" or 2" lines) Integrated flow straightener no inlet section necessary With a key stroke: • Reset counter reading • Select units • Parameterise interfaces Flow measuring ranges VA 521 (max version 185 m/s) for compressed air (ISO 1217: 1000 mbar, 20 °C) Measuring ranges for other types of gas see pages 114 to 117 Measuring section Measuring range full scales m³/h cfm The sensor can be removed from the measuring section and cleaned. 88

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Flow Example order code VA 521: 0696 0521_A1_B1_C1_D1_E1_F1_G1_H1_I1_J1_K1_L1_M1_R1 Measuring section A2 A3 A4 G female thread NPT female thread Aluminium Stainless steel 316L No real gas adjustment - gas type configuration per gas constant Real gas adjustment in the gas type selected below Special measuring range (please specify when placing order) no approval DVGW approval for natural gas (max. pressure 16 bar) Special measuring range standard version Special cleaning oil and grease free (e. g. for oxygen applications and so on) Silicone-free version including special cleaning oil and...

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Data sheet - VA 521 - EN 2Pages

Catalog excerpts

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Data sheet - VA 521 - EN
2Pages