• McMillan RHODIUM Series MEMS-based Mass Flow Controller for Gas Applications

McMillan RHODIUM Series Flow Controllers are capable of measuring and controlling virtually any clean, dry gas as low as 0-50 sccm or as high as 0-10 Lpm. Repeatable results are achieved using a platinum-based microelectromechanical system (MEMS) flow rate sensor device that is manufactured with extreme precision to ensure consistent results from unit to unit. 

To actively control flow rate, RHODIUM units leverage a high precision PID controller to control a fast-acting solenoid valve. Analog inputs enable direct, fast, and accurate control of the gas flow. Integrated analog outputs report current flow rate for monitoring and control verification. Compared to conventional mass flow controllers, RHODIUM Series Flow Controllers offer smaller size, higher accuracy, larger turn-down ratios, and faster response times.


Key Features:  

  • MOUNTING: The RHODIUM Series has two female threaded ports on the bottom of the device that accept M4 bolts. An optional mounting plate is available to accommodate installation from the topside.
  • CALIBRATION: The RHODIUM Series is calibrated in the vertical position. All other positions can cause offset depending on pressure and gas conditions. Flow is unidirectional and must pass through the unit as indicated on the device. All units are calibrated with and for dry nitrogen (N2). Calibration for other gases may be available – please contact the factory.
  • WIRING: A male 9-pin D-sub connector is provided for all power and signal connections. Optional accessories include a mating cable with pigtail leads (9941-1-2M), a connection block that provides screw-down terminals and a port for a power adapter (9941-3), and 120/240 VAC power adapters that can be used with the connection block (9681-4or 9691-4).
  • POWER:  RHODIUM Series units require 24VDC power and typically draw less than 250 mA of current.
  • SIGNAL:  Two I/O signal configurations are available: 0-5 VDC or 4-20mA. In either case, the lower end of the range represents zero flow (0 VDC or 4 mA) and the high end of the range represents 100% rated flow (5 VDC or 20 mA).
  • FLUID CONNECTIONS: Each unit features female SAE 9/16-18 straight thread ports for the inlet and outlet. Optional fittings are available with either ¼” or 3/8” stainless steel (316L) tube connections.
  • MAX. PRESSURE: 9 bar 
  • Gas Compatibility: Non-aggressive Gases
  • FLOW RATE RANGE: 
    • 0-50 sccm
    • 0-250 sccm
    • 0-1 L/minute
    • 0-3 L/minute
    • 0-5 L/minute
    • 0-10 L/minute

Typical Applications

  • Active Gas Dilution & Blending
  • Carrier Gas Regulation in Mass Chromatography
  • Oxygenation For Medical Devices
  • Precision Gas Injection for Bioreactors and Fermentors



Product Code
Description
Price
8511-MP 
Mounting plate for 8511
$40
9941-1-2M
Mating cable, 9-pin female D-SUB terminated with pigtail leads,
$60
9941-3
Mating termination block, 9-pin female D-SUB terminal block 
$65
9941-2-2M
Extension cable for 8511, 9-pin female D-SUB to male D-SUB
$50
9691-4
Universal 120/240VAC Power adapter - also requires 9941-3
$100
9853-9-T4
316L SS 1/4" tube fittings with SAE 9/16-18 threads for 8511
$110
9853-9-T6
316L SS 3/8" tube fittings with SAE 9/16-18 threads for 8511
$120




Thumb File information
Rhodium 8511 DS2309 Datasheet.pdf 2.63MB
McMillan SERIES
Accuracy ± 1.0 % F.S.
Precision ± 0.015 % F.S.
Pressure Rating Overpressure Limit: 135 psig (9 bar)
Temperature Rating (Fluid) 0 – 50° C
Temperature Rating (Environment) 14 to 140 °F [ -10 to 60 °C ]
Wetted Materials Aluminum, Silicon, Silicon Nitride, Gold, Platinum
Compatible Liquids 20 cSt
Integrated Display 3 digit LED
Power Requirement 24 VDC ± 10%
Electrical Connections Plug M12 x 1
Typical Response Time 4 ms

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McMillan RHODIUM Series MEMS-based Mass Flow Controller for Gas Applications

  • Brand: MCM Flow
  • Product Code: McMillan-8511
  • Availability: In Stock
  • $1,195.00


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Tags: Flow Control, Automation, Valve, Fluid Handling, Flow Meter