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
- 极高的可重复性和长期运行稳性
- 高精度: ±0.075%,铂金型:±0.05%
- 量程比100:1,特殊要求可更高
- 用于流量和差压监测,最高符合SIL3, 由TüV SüD根据IEC 61508 标准进行认证
-
HistoROM®/M-DAT 存储模块
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对测量元件和电子模块进行功能监测
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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
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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
-
通过多项国际认证
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