FlatTrak? 780S

 日期：2019-02-26 07:34:08 / 人气：1100



Overview

North America's #1 selling inline thermal mass flow meter (2009 Flow Research, Boston MA) delivers precise measurements with heavy-duty industrial gas mass and air flow meter measurement applications.  Choose from a wide variety of inline and insertion thermal mass air flow meters for precision CFM (cubic feet per minute) measurement of gas mass flow rate in industrial environments. 

 

Product Benefits

  • Built-in flow conditioning elements drastically reduce upstream straight-run requirements

  • Features our no-drift DrySense velocity sensor

  • Lifetime warranty on sensor

  • Greenhouse Gas (GHG) certified to meet EPA (40 CFR Part 98)

  • Optimized (CH4) as well as N20, SF6, HFCs, PFCs and CO2, per the EPA mandate

  • Popular choice for landfill gas (LFG) measurement at low pressure (20 - 40 mBarg) and about 40-60°C (100°F) variable flows require a large turndown

  • Custom options available:

  • Wide range of process connections

  • Wide range of materials like Kynar and Hastalloy

  • Self-cleaning purge  for dirty flow environments

  • Ultra-High Purity 7-10 Ra to 20-25Ra interior finishes

  • Flow-range adjustment and validation and diagnostics

  • Dual-range capability

  • Field validation/configuration to assure operating performance

  • Field rangeability

  • Flow totalizer and alarms

  • Large LCD display and pushbutton interface, remote enclosure mounting available

  • An insertion version for pipes/ducts up to 72" (2M) available - Model 640S

  • Very low pressure drop

  • No moving parts

  • Free computer interface software

  • Digital communications: Foundation Fieldbus, HART, Modbus RTU, Profibus DP

     

Specifications

  • Accuracy: +/- 1% of reading plus +/-0.5% of full scale

  • Repeatability of +/- 0.2% of full scale

  • Pipe sizes from 1.0" to 8.0"  (2.5cm  to 20.3cm) 

  • Flow range to 20,000 sfpm (100 smps)

  • 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

  • Temperature:

  • Gas: -40°F (-40°C) to 350°F (200°C)

  • Ambient: -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

  • 316 stainless-steel construction (Other materials available)

  • Output signals: RS-232, 0–5 VDC, 0-10 VDC, 4–20 mA  

  • User definable pulse output for totalized flow

  • Digital communications solutions include: Foundation Fieldbus, HART, Modbus RTU, and Profibus DP

  • Hazardous-Area Location Enclosure (IP66) and NEMA 4X (IP65)

  • Approvals:

  • FM (USA) Class I, Div I, Groups B,C,D

  • CSA and CRN (Canada)

  • ATEX

  • CE

  • PED (EU)

  • GOST R (Russian Federation)

  • Chinese Pattern Approval (China)