品牌
经销商厂商性质
上海市所在地
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面议德国BALLUFF DC 3线/4线电感式微型开关
面议差压变送器,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
量程比100:1,特殊要求可更高
用于流量和差压监测,zui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:
- 可更换的显示单元
- 通用的压力和差压电子模块
通过快速设定菜单进行快速调试
现场菜单引导式操作
广泛的自诊断功能
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
德国恩德斯豪斯FMD78差压变送器原装供应商
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 |