产品描述 差压变送器，采用陶瓷传感器 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%，铂金型：±0.05% 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： 气体、蒸气和液体的流量测量（体积流量或质量流量） 液体的液位、体积或质量测量 过滤器和泵的差压监测 通过多项认证 技术参数 Continuous / Liquids Gas Liquids Pressure Steam Measuring Principle Differential pressure Characteristic / Application Digital transmitter with ceramic measuring diaphragms 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 / FOUNDATION Fieldbus: 9...32V DC Accuracy 0,075% "PLATINUM" 0,05% Long term stability 0,05% of URL/year Ambient temperature -20°C...85°C (-4°F...185°F) Process temperature -20°C...85°C (-4°F...185°F) Process pressure absolute / max. overpressure limit 150 bar (2250psi) Pressure measuring range 25mbar...3 bar (0.36psi...45psi) Main wetted parts Ceramic Alloy C276 316L Monel Tantalum Process connection 1/4-18NPT RC1/4" Max. measurement distance 30m (98ft)H2O Output 4...20 mA HART PROFIBUS PA FOUNDATION Fieldbus Certificates / Approvals ATEX FM CSA NEPSI IECEx SIL GL marine WHG/ Overfill prevention EN10204-3.1 Options HistoROM/M-Dat 4-line digital display SS- or Aluminiumhousing Separate housing Application limits Measuring cell: Ceramic