SteelMass™ 640S | SIERRA Vietnam

Accurate Metering of Peak, Low Flow and Total Mass Flow Rate SteelMass™ 640S Insertion, totalizing air/gas mass flow meter Eliminate drift with patented DrySense™ sensor Increase flexibility with low pressure drop, high turndown Validate in the field for easy in-situ calibration Backed by lifetime sensor warranty
Nhà sản xuất: SIERRA Instruments
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Specifications

  • Accuracy: +/- 1% of reading plus +/- 0.5% of full scale
  • Repeatability of +/- 0.2% of full scale
  • Flow range to 20,000 sfpm (100 smps)
  • Turndown: 100:1 
  • Measure all inert gases and all non-condensing clean gases
  • Flammable gases: methane, propane, hydrogen, digester gas, natural gas
  • Corrosive gases compatible with 316L stainless-steel
  • 100:1 turndown
  • Gas temperature -40°F (-40°C) to 350°F (200°C)
  • Ambient temperature -40° F to 120° F (-40° C to 50° C)
  • Response time is one second to achieve 63% of final value
  • Power supply 18 to 30 VDC (regulated), 625 mA maximum; 100 to 240 VAC, 50/60 Hz, 15 watts maximum

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  • 316 stainless steel construction
  • Output signals: RS-232, 0 to 5 VDC, 0 to 10 VDC, 4 to 20 mA  
  • User definable pulse output for totalized flow
  • Digital communications: Foundation FieldbusHARTModbus RTU, and Profibus DP
  • Hazardous-Area Location Enclosure (IP66) and NEMA 4X (IP65)
  • Approvals:
    • FM (USA) Class I, Div I, Groups B, C,
    • CSA and CRN (Canada)
    • ATEX
    • CE
    • PED (EU)
    • Chinese Pattern Approval (China)
    • GOST R (Russian Federation)