Whisper™ MCW Series
Low Pressure Drop Mass Flow Controller
FLOW RANGES
0.5 SCCM – 1000 SLPM
- Pressure drops up to 10x lower than standard devices
- Control response time as low as 30ms
- 98 preloaded user-selectable gases
- High-accuracy option available
Low Pressure Drop Mass Flow Controllers
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Build Options
Communication Protocols
RS-232 Serial(default) RS-485 Serial, Analog(4-20 mA, 0-10 Vdc, 0-5 Vdc, or 1-5 Vdc), Modbus RTU (over RS-232 or RS-485), Modbus TCP/IP, DeviceNEt, EtherCAT, EtherNet/IP, Profibus, Profinet
Displays
Process Connections
Ingress Protection
Hazardous environment ratings
Humid gases
Technical Specifications
Gases
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Flow ranges
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Measurement/Control range
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Accuracy
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Operating pressures
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Pressure drop
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Operating temperature
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Warm-up time
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Control response time
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Electrical connector options
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Analog I/O options
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Digital I/O options
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Process port options
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Certification options
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Standard certifications
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Mass Flow Meters
Model
Usage
Operating Pressure
Corrosive Gases
Specification Sheets
M-Series
Standard model for most applications that don't have corrosive gases and are operating below 160 PSIA (11 barA)
11.5 - 160 PSIA
- 0.5 SCCM - 5 SCCM
- 10 SCCM - 20 SLPM
- 50 SLPM - 10,000 SLPM
MQ-Series
High pressure variant of the M-Series for applications typically operating between 160 - 320 PSIA (11 - 22 barA)
11.5 - 320 PSIA
- 10 SCCM - 20SLPM
- 50 SLPM - 20 SLPM- 10,000 SLPM
BIO-Series
ASME BPE compliant with USP Class VI elastomers for bioreactors and fermenter applications
11.5 - 160 PSIA
- 0.5 SCCM - 5 SCCM
- 100 SCCM - 20 SLPM
- 50 SLPM - 500 SLPM
MS-Series
Best suited for applications with aggressive corrosive gases operating below 160 PSIA (11 barA)
11.5 - 160 PSIA
✔
- 0.5 SCCM - 10,000SLPM
Mass Flow Controllers
Model
Usage
Operating Pressure
Corrosive Gases
Specification Sheets
MC-Series
Standard model for most applications that don't have corrosive gases and are operating below 160 PSIA (11 barA)
11.5 - 160 PSIA
- 0.5 SCCM - 5 SCCM
- 100 SCCM - 20 SLPM
- 50 SLPM - 10,000 SLPM
MCQ-Series
High pressure variant of the MC-Series for applications typically operating between 160 - 320 PSIA (11 - 22 barA)
11.5 - 320 PSIA
- 10 SCCM - 20 SLPM
- 50 SLPM - 10,000 SLPM
MCE-Series
SEMI-compatible model targeted at high leak integrity vacuum applications with 1/4" VCR® fittings
11.5 - 160 PSIA
- 0.5 SCCM - 5 SCCM
- 10 SLPM - 20 SLPM
MCV-Series
Variant of MCE-Series with integrated pneumatic shut-off valve for applications that need isolation better than 1x10-11 atm cc/sec He
11.5 - 160 PSIA
- 0.5 SCCM - 5 SCCM
- 10 SLPM - 20 SLPM
MCD-Series
Bi-directional flow or pressure controller that enables precise filling and venting of closed volumes
11.5 - 160 PSIA
- 0.5 SCCM - 50 SCCM
- 100 SCCM - 20 SLPM
- 50 SLPM - 10,000 SLPM
MCT-Series
Flow controller with configurable stream selection functionality for multiple gas inputs or multiple flow outputs
11.5 - 160 PSIA
- 0.5 SCCM - 5 SCCM
- 100 SCCM - 20 SLPM
- 50 SLPM - 10,000 SLPM
BIO-Series
ASME BPE compliant with USP Class VI elastomers for bioreactors and fermenter applications
11.5 - 160 PSIA
- 0.5 SCCM - 5 SCCM
- 100 SCCM - 20 SLPM
- 50 SLPM - 500 SLPM
Pascal
Optimized for diamond manufacturing using chemical vapor deposition processes
11.5 - 160 PSIA
- 0.5 SCCM - 5 SCCM
- 10 SLPM - 20 SLPM
MCS-Series
Best suited for applications with aggressive corrosive gases operating below 160 PSIA (11 barA)
11.5 - 160 PSIA
✔
- 0.5 SCCM - 10,000 SLPM
MCES-Series
SEMI-compatible mass flow controllers targeted at high leak integrity vacuum applications with 1/4" VCR® fittings
11.5 - 160 PSIA
✔
- 0.5 SCCM - 5 SCCM
- 10 SLPM - 20 SLPM
MCVS-Series
Variant of MCES-Series with integrated pneumatic shut off valve for applications that need isolation up to 1x10-11 atm cc/sec He
11.5 - 160 PSIA
✔
- 0.5 SCCM - 5 SCCM
- 10 SLPM - 20 SLPM
MCDS-Series
Bi-directional flow or pressure controller that enables precise filling and venting operations with closed volumes
11.5 - 160 PSIA
✔
- 0.5 SCCM - 50 SCCM
- 100 SCCM - 20 SLPM
- 50 SLPM - 10,000 SLPM
MCTS-Series
Configurable stream selection functionality for multiple gas inputs or multiple flow outputs
11.5 - 160 PSIA
✔
- 0.5 SCCM - 50 SCCM
- 100 SCCM - 20 SLPM
- 50 SLPM - 10,000 SLPM
Downloads
Manuals
| Standard Manual | Download |
Spec Sheets
| Low Flow 0.5 SCCM to 5 SCCM | Download |
| Mid Flow: 10 SCCM to 10 SLPM | Download |
| High Flow: 250 SLPM to 1000 SLPM | Download |
Related Products
Accessories
Order cables, filters, fittings, power supplies and breakout boxes with your instrument.
Customization
Order mass flow controllers and meters custom built to your specific application needs.
PC-Series Pressure Controllers
Order mass flow controllers and meters custom built to your specific application needs.
PC-Series Pressure Controllers
Order mass flow controllers and meters custom built to your specific application needs.