MCDS–Series: Anti-Corrosive Bidirectional Gas Mass Flow Controllers

Devices are custom ranged from 0.5 SCCM full scale to 5,000 SLPM full scale with controllable ranges of 1% to 100% of full scale.

• For specs on all device ranges, see the MCDS-Series device specs.

For a comprehensive device guide, read the mass flow controller operating manual.

Included with each device

• Multi-variable process measurements: Simultaneously measure mass flow, volumetric flow, gas pressure, and gas temperature.
• User changeable units of measurement: Change the unit of measurement for pressure, flow, or temperature from our extensive list of engineering units.
• Gas selectability: Select your process gas from any of the 98+ preloaded NIST-traceable gas calibrations in our gas list.
• Gas Select COMPOSER™: Define 20 custom gas mixtures of up to 5 constituent gases using our Gas Select Composer™ firmware.
• Monochrome backlit LCD with integrated touchpad: Easily read measurements using the backlit display and control configurations with the user-friendly integrated touchpad.
• User adjustable setpoint ramping & limits: Configurable ramp rates allow the process variable to be controlled as fast or as slow as desired, and configurable setpoint limits protect processes from inadvertent setpoint changes.
• User adjustable standard temperature and pressure (STP) conditions: Quickly change reference conditions without need for recalibration.
• Valve close override and valve open override: Utilize alarms to quickly vent your system or stop all flow as needed.

Request at time of purchase | Free

• Optional integrated totalizers & batch control: Totalize mass flow every 1 ms for precise tracking of total flow over time and use batch control to dispense precise volumes.

Request at time of purchase | Additional cost

• Optional integrated potentiometer control: Use the integrated potentiometer to adjust setpoints with the simple turn of a knob.

Build and performance options

• Communication protocols: Analog, RS–232, RS–485, DeviceNet, EtherCAT, EtherNet/IP, Modbus RTU or TCP/IP, PROFIBUS, PROFINET
• Displays: Backlit monochrome or color; integrated or panel–mount
• Process connections: NPT, SAE, AN, BSPP/G, compression, VCR, or VCO fittings
• Wetted materials: 316L/303/430FR stainless steel; FFKM standard, FKM, or EPDM as needed for some gases
• Calibration: High-accuracy; custom calibration points

Valve options & PID tuning

Your mass flow controller may be customized with one of the following valving options to ensure optimal performance under your expected process conditions.

• MCD: small proportional control valve for flow ranges of 20 SLPM and below
• MCD with PCA designation: high-performance proportional control valve used for some applications with higher pressures
• MCRD: nearly frictionless large Rolamite proportional valve for flow rates of 50 SLPM and above

Note: Certain gases (including SO₂, and Cl₂) require MCD with PCA designation.

Custom PID valve tuning ensures maximum performance for your specific process conditions.

Accessories | Sold separately

• Process port fittings and filters
• Power supplies
• Communications cables and conversion cables
• BB3 and BB9 multi-drop breakout boxes