FMD78差压变送器

差压变送器，带有金属测量膜片和毛细管膜片密封 抗过载，带功能监测，具有HART, PROFIBUS PA 或FF基金会现场总线通信协议 优点 高的可重复性和长期运行稳性 ： ±0.075% 量程比100:1，特殊要求可高 用于流量和差压监测，高符合SIL3, 由TüV SüD根据IEC 61508 标准进行认证 HistoROM?/M-DAT 存储模块 对测量元件和电子模块进行功能监测 模块化设计，可以与差压、静压和压力测量仪表(Deltabar S, Deltapilot S, Cerabar S)的模块部件进行互换, 如： - 可换的显示单元 - 通用的压力和差压电子模块 通过设定菜单进行调试 现场菜单引导式操作 广泛的自诊断功能 应用领域 Deltabar S差压变送器可用于解决以下测量问题： 液体的物位、体积或质量测量 通过多项认证 技术参数 Continuous / Liquids Pressure Measuring Principle Differential pressure Characteristic / Application Digital transmitter with metallic measuring diaphragms diaphragm seals and capillaries Modular transmitter Long term stability Enhanced safety via self diagnostic functions Secondary process barrier Supply / Communication 4...20 mA HART: 10,5...45V DC Ex ia: 10,5...30V DC PROFIBUS PA / FOUDATION Fieldbus: 9...32V DC Accuracy 0,075% + influence of diaphragm seal Long term stability 0,05% of URL/year Ambient temperature -40°C...85°C (-40°F...185°F) Process temperature -40°C...400°C (-40°F...662°F) Process pressure absolute / max. overpressure limit 160bar (2400 psi) Pressure measuring range 100mbar...40bar (1.5psi ... 600 psi) Main wetted parts Alloy C276 316L Monel Tantalum Process connection Diaphragm seal (Pancakes, threads) Flanges (DIN, ANSI) Tri-Clamp ISO2852 Hygienic connections Max. measurement distance 400m (1312ft) H2O Output 4...20 mA HART PROFIBUS PA FOUNDATION Fieldbus Certificates / Approvals ATEX FM CSA NEPSI IECEx SIL NACE GL marine WHG/ Overfill prevention EN10204-3.1 3A Options HistoROM/M-Dat 4-line digital display SS- or Aluminiumhousing Separate housing Application limits Measuring cell: Metal welded