VA 420

Consumption counter for compressed air and gases

• Easy and affordable installation (suitable for 1/4", 1/2", 3/4", 1", 11/4", 1½" or 2" lines)
• Units freely selectable via keypad 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. Resettable 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
• Gas types adjustable via software (nitrogen, oxygen, CO2, nitrous oxide, argon)

Technical data VA 420 >> PDF

VA 400

Consumption sensor for compressed air and gases

• Integrated display for m3/h und m3
• Depth scale for accurate installation
• Usable from 1/2" to 12" (DN 300)
• Easy installation under pressure
• 4...20 mA analogue output for m3/h resp. m3/min
• Pulse output for m3
• Inner diameter adjustable via keypad
• Consumption counter resettable

Technical data VA 400 >> PDF