Production Description CS Instruments Mass Flow Meter VA520 flowmeter for compressed air
With the development of modern industry, energy saving and environmental protection have become more and more crucial, and are also very concerned by most advanced enterprises. As a new type of power source, compressed air should be applied to every corner of the enterprise in an all-round way. At the same time, how to ensure the efficient operation of compressed air, flow detection and control become very important. As we all know, the compressor converts 85% of electricity into heat, and only 15% into compressed air, so compressed air is much more expensive than electricity. Effective monitoring and management of compressed air is a lot smarter.
Detailed Images CS Instruments Mass Flow Meter VA520 flowmeter for compressed air
Specification CS Instruments Mass Flow Meter VA520 flowmeter for compressed air
| TECHNICAL DATA VA 520 |
| Parameters: | m³/h, l/min (1000 mbar,20 °C) at compressed air,or Nm³/h, Nl/min (1013,.mbar, 0 °C) for gases |
| Units adjustable via keys at display: | m³/h, m³/min, l/min, l/s, ft/ min, cfm, m/s, kg/h, kg/min, g/s, lb/min, lb/h |
| Sensor: | Thermal mass flow sensor |
| Measuring medium | Air, gases |
| Gas types are adjus- table over CS service | Air, nitrogen, argon, heli- um, CO2, oxygen, vacuum |
| Measure range: | See table |
Accuracy:
(m.v.: of meas. value) (f.s.: of full scale) | ± 1.5 % of m.v. ± 0.3 % of f.s. on request
± 1.0 % of m.v. ± 0.3 % of f.s. |
| Operating temperature: | -30...80 °C |
| Operating pressure: | -1 to 16 bar optional to
PN 40 |
| Digital output: | RS 485 interface (Modbus-RTU), Optional:
Ethernet-Interface PoE), M-Bus |
| Analog output: | 4...20 mA for m³/h e. g. l/min; |
| Pulse output: | 1 Pulse per m³ or per liter galvani- cally isolated. Pulse value can be set on the display. Alternatively, the pulse output can be
used as an alarm relay |
| Supply: | 18...36 VDC, 5 W |
| Burden: | < 500 K |
| Housing: | Polycarbonate (IP 65) |
| Measuring section: | stainless steel, 1.4301 or 1.4571 |
| Process connection: | Flange (to DIN EN 1092-1e. g. ANSI 150 Ibs or ANSI 300 Ibs) |
| Ø Casing: | 65 mm |
| Mounting position: | any |
Features CS Instruments Mass Flow Meter VA520 flowmeter for compressed air
Easy installation in existing piping through integrated measuring sec-
tion (1/4” to 2“)
High measuring accuracy due to defined measuring section (inlet and outlet section)
•Digital interfaces such as Modbus RTU, Ethernet (PoE) and M-Bus enable connection to higher-level systems such as energy ma- nagement systems, building management systems, SPS,...
•Easy and auordable installation
•Units freely selectable via keys at the display m³/h, m³/min, l/min, l/s, kg/h, kg/min, kg/s, cfm
•Compressed air counter up to 1.999.999.999 m³. Resetable to „zero“ via keypad
•Analogue output 4...20 mA, pulse output (galvanically separated)
•High measuring accuracy also in the lower measuring range (ideal for leakage measurement)
•Negligibly small loss of pressure
•Calorimetric measuring principle, no additional pressure and temperature measurement necessary, no mechanically moved parts
•Comprehensive diagnosis functions can be read out at the display or by remote access via Modbus-RTU like e. g. exceeding Max./ Min values °C, calibration cycle, error codes, serial number. All parameters can be read out and changed via Modbus
Applications CS Instruments Mass Flow Meter VA520 flowmeter for compressed air
Compressed air flow and distribution
Flow and distribution of process gases such as carbon dioxide, hydrogen, nitrogen, oxygen flow
Explosive gases such as natural gas, hydrogen, biogas
Corrosive gases such as biogas
Fuel and gas supply in furnaces, boilers, industrial furnaces
gas in cooler
Gas injection metering control
Selection Guide CS Instruments Mass Flow Meter VA520 flowmeter for compressed air
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