Vögtlin SmartTrak®

Gas Mass Flow Meter and Controller based on capillary technology with accuracy up to 0.5% full scale.
All contacting parts are made of stainless steel, with electro-polished surfaces of 0.8 Ra µm. Assembly in clean rooms is possible.
Ranges from 0-10 mln/min to 0-500 ln/min.
Each unit has 10 pre-programmed gases that can be selected by the customer.
Choice of customer-selectable units, gases, outputs, ranges, etc.
Because of the advanced technology, accuracy for each selected gas.
Standard operating pressure of 35 barg.
Suitable for most corrosive and aggressive dry and clean gases.
Optional local display and local setpoint/configuration.
Most analog and RS232 communications standard on each unit.
Active temperature compensation for temperature-independent operation.
Strong direct-drive valve.
Optional Modbus communication.
Modbus module with analog inputs/outputs and I/O alarm contacts.
Wide selection of elastomers and valve seal materials
Long-term stability sensor.
Free configuration software for MS Windows.
Very low pressure differentials possible due to large valve.
Each unit calibrated with primary NIST-traceable high-accuracy reference standard.