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采用金屬傳感器的壓力變送器

具有模擬, HART, PROFIBUS PA 或FF基金會現場總線通信協議

優點

• 極高的可重復性和長期運行穩定性

• 高精度： ±0.15%，鉑金版: ±0.075%

• 量程比100:1

• 全模塊化設計用于差壓、靜壓和壓力(Deltabar M - Deltapilot M - Cerabar M), 如：
  - 可更換的顯示單元
  - 通用的電子模塊

• 調試方便，不需要借助其他操作工具

• 現場菜單引導式操作
  – 通過現場顯示模塊
  – 通過4 ... 20 mA HART
  – 通過PROFIBUS PA
  – 通過FF基金會現場總線

壓力變送器可用于解決以下測量問題：

• 各種過程控制領域中氣體、蒸汽或液體的絕壓和表壓測量

• 測量液體液位、體積或質量

• 過程溫度最高可達 125°C (302°F)

• 最高壓力可達400 bar

• 通過多種認證，滿足世界各地的應用需求

  Measuring Principle	Hydrostatic
  Characteristic / Application	Smart and reliable pressure transmitter, with piezoresistive measuring cell and metal welded process isolating diaphragm
  Supply / Communication	4 ..20mA HART: 11,5...45V DC Ex ia: 11,5...30V DC PROFIBUS PA FOUNDATION Fieldbus
  Accuracy	0,15% Platinum 0,075%
  Long term stability	0,1% of URL/year
  Ambient temperature	-40°C...85°C (-40°F...185°F)
  Process temperature	-40°C...125°C (-40°F...275°F)
  Process pressure absolute / max. overpressure limit	600bar (9000psi)
  Pressure measuring range	1bar...400bar (15psi...6000psi)
  Main wetted parts	316L
  Process connection	Threads Flanges (DIN, ANSI, JIS) Hygienic connections Tri-Clamp ISO2852
  Max. measurement distance	4000m (13.123ft) H2O
  Output	4...20 mA HART PROFIBUS PA FOUNDATION Fieldbus
  Certificates / Approvals	ATEX CSA FM IECEx TIIS NACE SIL EHEDG, 3A,FDA inspection certificates
  Options	local display
  Application limits	Measuring cell: Metal welded If pressurized, possibly use differential pressure meas-urement with two pressure transmitters (electronic dp). Observe ratio head pressure : hydrostatic pressure