采用金属传感器的压力变送器

具有模拟, HART, PROFIBUS PA 或FF基金会现场总线通信协议

优点

• 极高的可重复性和长期运行稳定性

• 高精度： ±0.15%，铂金版: ±0.075%

• 量程比100:1

• 全模块化设计用于差压、静压和压力(Deltabar M - Deltapilot M - Cerabar M), 如：
  - 可更换的显示单元
  - 通用的电子模块

• 调试方便，不需要借助其他操作工具

• 现场菜单引导式操作
  – 通过现场显示模块
  – 通过4 ... 20 mA HART
  – 通过PROFIBUS PA
  – 通过FF基金会现场总线

压力变送器可用于解决以下测量问题：

• 各种过程控制领域中气体、蒸汽或液体的绝压和表压测量

• 测量液体液位、体积或质量

• 过程温度最高可达 125°C (302°F)

• 最高压力可达400 bar

• 通过多种认证，满足世界各地的应用需求

  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