PRECISION GAS FLOW METERS & GAS FLOW CONTROLLERS

VA-Flowmeter vs. Mass Flow Meter

VA-Meter or high-precision Mass Flow Meter: The User determines the Device

VA-Meter or high-precision Mass Flow Meter: The User determines the Device

Variable area flowmeters for plant and apparatus construction are just as popular as ever. The numerous advantages in daily practice are convincing: cost-effective purchase, simple installation and handling, maintenance-free and independent operation.

Certain applications require measurement accuracy, with respect to pressure and temperature independence, which cannot be achieved with conventional variable area flowmeters. This is where the red-y compact 2 thermal mass flow meters come into their own. Alongside the advantages of the variable area flowmeters, the devices offer extremely precise and rapid measurement with digital CMOS sensors and run independent of mains electricity thanks to battery power.

Variable Area Flowmeter (VA-Meters) Q-Flow

Reasonable and secure:

Variable Area Flowmeters
V-100 & Q-Flow

Media Gases
Accuracy +/- 4% of full scale
Turndown ratio 1 : 10
Measuring ranges from 25 mln/min up to 450 ln/min
(27 SCCM – 480 SLPM)
Insensitive to pressure NO
Insensitive to temperature NO
Scale Direct reading or mm scale
Calibration Air
Manual Valve YES
Totalizer NO
Alarm functions With limit indicator (Relay)
Display of Reading Float in measuring glass
Mounting position Vertical
Supply Mechanical Device
Body Materials Aluminum or stainless steel
Seals FKM or EPDM

 

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Battery powered digital Mass Flow Meter red-y compact series

Digital advantage:

Battery powered Mass Flow Meters
red-y compact 2 series

Media Gases
Accuracy +/- 1% of full scale
Turndown ratio 1 : 100
Measuring ranges from 1 mln/min up to 450 ln/min
(27 SCCM – 480 SLPM)
Insensitive to pressure YES
Insensitive to temperature YES
Scale Direct reading
Calibration Real Gas
Manual Valve YES
Totalizer YES
Alarm functions Integrated
Display of Reading Touch-Display with automatic
screen position adjustment
Mounting position Any position
Supply Battery, Mirco-USB or 24 Vdc
Body Materials Aluminum or stainless steel
Seals FKM or EPDM

 

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