Flow Controllers & Meters

model

Whisper™ MW–Series: Low Pressure Drop Mass Flow Meters

Whisper™ MW–Series Low Pressure Drop Mass Flow Meters measure mass and volumetric flow rates when there is little available system pressure, with pressure drops as low as 0.07 PSID (4.8 mbarD).

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Specs, features, and customization options

Alicat builds each instrument to order to meet your specific process needs. See additional configuration options below or speak with an applications engineer to optimize your device.

Quick Specs

Devices are custom ranged from 0.5 SCCM full scale to 1,000 SLPM full scale.

Standard specs
  • Full scale ranges: 0.5 SCCM to 1,000 SLPM
  • Measurement range: 0.01% – 100% of full scale
  • Accuracy: ±0.75% of reading or ±0.1% of full scale, whichever is greater
  • Optional high-accuracy: ±0.6% of reading or ±0.1% of full scale, whichever is greater
  • Repeatability: 0.1% of reading and 0.02% of full scale
  • Response time: 127 ms
  • Operating temperature: –10°C to +60°C
  • Full scale operating pressure: 60 PSIA (4.1 barA)
Device features and accessories
Features
Accessories
Build and performance options
  • Communication: Analog, RS–232, RS–485, Modbus RTU, Modbus TCP/IP, DeviceNet, EtherCAT, EtherNet/IP, Profibus
  • Process connections: NPT, SAE, AN, BSPP/G, compression, VCR, VCO
  • Displays: Backlit monochrome or color; integrated or panel–mount; none
  • Elastomers: FKM, FFKM, EPDM, Silicone
  • Calibration: Standard or high-accuracy; custom calibration points

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Need support?

Our expert team of applications engineers is available to provide additional information, discuss your application, or answer any questions you may have.

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