VA 520 - Mass flow meters for compressed air and gas

- Compressor balancing and consumption - Verification of losses - Gas process measurements - Measurements of nitrogen generators - Mobile compressed air measurement in front of single machines / plants

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.

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SKU Model Description Price Quantity
27064 VA 520 - Mass flow meters for compressed air and gas - 0695 0520

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 EUR
27065 VA 520 - Mass flow meters for compressed air and gas - 0695 0521

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 EUR
27131 VA 520 - Mass flow meters for compressed air and gas - 0695 0522

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 EUR
27132 VA 520 - Mass flow meters for compressed air and gas - 0695 0523

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 EUR
27133 VA 520 - Mass flow meters for compressed air and gas - 0695 0526

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 EUR
27134 VA 520 - Mass flow meters for compressed air and gas - 0695 0524

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 EUR
27072 VA 520 - Mass flow meters for compressed air and gas - 0695 0525

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.

1041 EUR

Description

  • 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

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.

Documentation

Accessories

SKU Model Description Price Quantity
27296
0554 2007

SERVICE SOFTWARE KIT (FOR VA 500 AND VA 520)
CS service software  for FA/VA 500 sensors including PC connection set.

€281.00
11458
0553 0104

CABLE 5 MT.
Connection cable for VA 400 with M12 plug, to connect with VA 400 and VA 420. Power supply analog output and pulse output (pulse only on VA 400).
To connect pulse output on VA 400 pls use cables 0553 106 and 0553 0107.

€46.00
12573
0553 0105

CABLE 10 MT.
Connection cable for VA 400, 10 mt with M12 plug, to connect with VA 400 and VA 420. Power supply, analog output and pulse output (pulse only on VA 400).
To connect pulse output on VA 400 pls use cables 0553 106  and 0553 0107.

€55.00
27135
0554 0109

POWER SUPPLY 100-240 VAC (FOR VA 500 AND VA 520) WITH 2 MT OF CABLE.
To be used only if counter is used to for local display reading. If necessary to use also analog or pulse output , pls use above mentioned cables and power unit through cable.

€76.00

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VA 520 - Mass flow meters for compressed air and gas

- Compressor balancing and consumption - Verification of losses - Gas process measurements - Measurements of nitrogen generators - Mobile compressed air measurement in front of single machines / plants