OVERVIEW
Record and reduce your energy costs and increase your sustainability with the VA 520. Monitor your consumption and analyze your leakages with a permanently installed flow meter in distribution stations, in front of individual departments or for billing purposes of individual consumers.
Special Features:
- Measurement of mass flow rate, output of standard volume flow rate
- Highly accurate at small as well as large flows
- Pressure and temperature compensated by the thermal mass flow principle
- Easy installation and removal of the sensor, the integrated measuring section can remain in the line for cleaning or recalibration of the sensor and can simply be closed with a sealing cap
- No moving parts, therefore low maintenance
- Vanishingly low pressure loss due to vanishingly low blockage of the diameter
- Can be used for compressed air and non-corrosive gases such as nitrogen, oxygen, argon, helium, etc.
Technical details:
- 04…20 mA, pulse and a Modbus RTU (RS 485) interface as standard, optional interfaces such as Modbus TCP (Ethernet), PoE, M-Bus
- Optional: Bi-directional measurement
- Pressure range up to 40 bar
- Temperature range from -30 to 80°C
- Protection class IP65
- Integrated display to show the measured values
- Can be used from DN 8 to DN 80
- Settings adjustable via the keys of the display
- Main counter reading can be reset via the display
- For speeds up to 224 Nm/s
- Highly accurate with an accuracy of ± 1.5% or ± 1% of the measured value – as well as ± 0.3% of the final value
SPECIFICATIONS
Parameters m³/h, l/min (1000 mbar, 20 °C) in case of compressed air or Nm³/h, Nl/min (1013 mbar, 0 °C) in case of gases Units adjustable via
keys at displaym³/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 Measured medium Air, gases Gas types are adjustable over CS service software or CS data logger Air, nitrogen, argon, CO2, oxygen Measuring range See table above Accuracy:
(o. M. V. = of measured value)
(o. F. S. = of full scale)± 1.5% of m.v. ± 0.3% of f.s.
on request:
± 1% of m.v. ± 0.3% of f.sOperating temperature -30…80 °C Operating pressure -1 to 16 bar optionally up to PN 40 Digital output RS 485 interface, (Modbus-RTU), optional: Ethernet interface PoE), M-Bus Analogue output 4…20 mA for m³/h or l/min Pulse output 1 pulse per m³ or per litre electrically isolated. Pulse weight 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 Ω Housing Polycarbonate (IP 65) Measuring section Stainless steel, 1.4301 or 1.4571 Process connection Flange (in acc. with DIN EN1092-1 or ANSI 150 Ibs or ANSI 300 Ibs) Mounting position any
CS Instruments VA 520 – Thermal mass flow meter for flow measurement
$0.00 ex GST
Flow meters for compressed air as well as various technical gases.
