VA 520 – Mass flow meters for compressed air and gas

726.00 1,041.00 

In stock

  • Compressed air balancing, compressed air consumption measurement
  • Leakage air / leak rate determination
  • Mobile compressed air measurement in front of single machines / plants
  • Flow measurement of process gases like e. g. nitrogen, CO2, oxygen, argon, nitrous oxide
  • Flow measurement at nitrogen generators

ATTENTION: Instrument supplied without cables. In addition to the instrument, the connection cable (0553 0104 or 0553 0105) or the power supply (0554 0109) must also be purchased.

Intelligent solutions for accurate consumption measurement for compressed air and gases  The new affordable consumption counters  VA 520 work according to the approved  calorimetric measuring principle.  In this process a heated sensor is cooled down by the gas circulating around it. The flow dependent  cooling-down is used as a measuring effect while the degree of  cooling-down is directly depending on the passing air resp. gas mass. Therefore, an additional pressure and temperature compensation is not necessary. Due to its compact design it is possible to monitor all compressed air systems from the compressor to the smallest compressed air tool (1/4” to 2 inch) with the new affordable consumption counter VA 520. VA 500 consumption sensors are available for larger pipe diameters from DN 50 to DN 300.

Due to the new evaluation electronics all VA 520 have an integrated Modbus output as a standard. So all parameters can be transferred via Modbus

Apart from compressed air also other gases like e. g. nitrogen, oxygen and CO2 can be measured. The installation of the compressed air counters VA 520 can be done easily and quickly. A special advantage is the removable measuring device. The measuring device can be demounted quickly and easily for calibration or cleaning purposes without removing the complete measuring section.

TECHNICAL DATA VA 520
Parameters:
m3/hr, l/min (1000 mBar, 20° C)  for compressed air – or  Nm3/h, Nl/min (1013 mBar, 0° C) for other gases
Adjustable via keypad:  m3/h, m3/min, l/min, l/s,  ft/min, cfm, m/s, kg/h, kg/min.
Meas. principle: calorimetric measurement.
Meas. medium: air, gases.
Gas selectable via software : air, nitrogen (standard), NO2 CO2,oxygen, argon (optional)
Accuracy: ±1.5% of m.v., ±0.3% of f.s.
Operating temp.: from -30 to 80°C.
Operating press.: up to 16 bar. Optional up to PN 40 (pls require special quotation).
Analogue output: 4…20 mA for m3/h resp. l/min
Digital output: RS 485 interface, Modbus RTU
Pulse output: 1 pulse per m3 resp.  galvanically separated
Power supply: 24 VDC smoothed ± 15 %
Housing: polycarbonate
Meas. section: stainless steel, 1.4301
Mounting thread meas section:  R 1/4”, R 1/2”, R 3/4”, R 1”, R 1 1/4”, R 1 -1/2”, R 2”, external thread.

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Product available - for orders before 12.00, shipping the same day.
(In case of payment by bank transfer, shipment will be made upon payment received).

Product temporarily out of stock - average delivery time: 10-20 days.

VA 520 - Mass flow meters for compressed air and gas - 0695 0520 0695 0520 Code: 27064

Thermal mass flowmeter : VA 520 – 1/4″.
Process connections: 1/4″ G threaded.
Rate: 0,1 – 90 l/min air (specify in order if required lower full scale span).
Spool piece length: 194 mm.
Max pressure: 16 bar.
Electrical connection: M12

ATTENTION: Instrument supplied without cables. In addition to the instrument, the connection cable (0553 0104 or 0553 0105) or the power supply (0554 0109) must also be purchased.

726.00 
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VA 520 - Mass flow meters for compressed air and gas - 0695 0521 0695 0521 Code: 27065

Thermal mass flowmeter : VA 520 – 1/2″.
Process connections: 1/2″ G threaded.
Rate: 0,2 – 90 m3/hr air (specify in order if required lower full scale span).
Spool piece length: 300 mm.
Max pressure: 16 bar.
Electrical connection: M12

ATTENTION: Instrument supplied without cables. In addition to the instrument, the connection cable (0553 0104 or 0553 0105) or the power supply (0554 0109) must also be purchased.

726.00 
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+
VA 520 - Mass flow meters for compressed air and gas - 0695 0522 0695 0522 Code: 27131

Thermal mass flowmeter : VA 520 – 3/4″.
Process connections: 3/4″ G threaded.
Rate: 0,3 – 170 m3/hr air (specify in order if required lower full scale span).
Spool piece length: 475 mm.
Max pressure: 16 bar.
Electrical connection: M12

ATTENTION: Instrument supplied without cables. In addition to the instrument, the connection cable (0553 0104 or 0553 0105) or the power supply (0554 0109) must also be purchased.

801.00 
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VA 520 - Mass flow meters for compressed air and gas - 0695 0523 0695 0523 Code: 27132

Thermal mass flowmeter : VA 520 – 1″.
Process connections: 1″ G threaded.
Rate: 0,5 – 290 m3/hr air (specify in order if required lower full scale span).
Spool piece length: 475 mm.
Max pressure: 16 bar.
Electrical connection: M12

ATTENTION: Instrument supplied without cables. In addition to the instrument, the connection cable (0553 0104 or 0553 0105) or the power supply (0554 0109) must also be purchased.

822.00 
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+
VA 520 - Mass flow meters for compressed air and gas - 0695 0526 0695 0526 Code: 27133

Thermal mass flowmeter : VA 520 – 1-1/4″.
Process connections: 1-1/4″ G threaded.
Rate: 0,7 – 530 m3/hr air (specify in order if required lower full scale span).
Spool piece length: 475 mm.
Max pressure: 16 bar.
Electrical connection: M12

ATTENTION: Instrument supplied without cables. In addition to the instrument, the connection cable (0553 0104 or 0553 0105) or the power supply (0554 0109) must also be purchased.

988.00 
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+
VA 520 - Mass flow meters for compressed air and gas - 0695 0524 0695 0524 Code: 27134

Thermal mass flowmeter : VA 520 – 1-1/2″.
Process connections: 1-1/2″ G threaded.
Rate: 1 – 730 m3/hr air (specify in order if required lower full scale span).
Spool piece length: 475 mm.
Max pressure: 16 bar.
Electrical connection: M12

ATTENTION: Instrument supplied without cables. In addition to the instrument, the connection cable (0553 0104 or 0553 0105) or the power supply (0554 0109) must also be purchased.

988.00 
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+
VA 520 - Mass flow meters for compressed air and gas - 0695 0525 0695 0525Code: 27072

Thermal mass flowmeter : VA 520 – 2″.
Process connections: 2″ G threaded.
Rate: 2 – 1195 m3/hr air (specify in order if required lower full scale span).
Spool piece length: 475 mm.
Max pressure: 16 bar.
Electrical connection: M12

ATTENTION: Instrument supplied without cables. In addition to the instrument, the connection cable (0553 0104 or 0553 0105) or the power supply (0554 0109) must also be purchased.

1,041.00 
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+

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