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液体液位和界面测量
优点
- 可靠的测量:
- 可用于动态液面和泡沫液面的液位测量
- 可用于变化中的介质测量 - 实用性强
- 内置数据存储器
- 工厂预标定
- 直观的菜单引导式操作,多种语言可选
- 便于集成到控制或资产管理系统中
- 精确的测量和过程诊断,便于快速决策
- 认证: ATEX, IEC Ex, FM, CSA
应用领域
- FMP51 - 液体液位和界面测量的首选仪表.
- 测量范围最大45 m (148 ft)
- 过程连接尺寸最小3/4" 螺纹或法兰
- 温度范围: -40~+200 °C (-40 ~ +392 °F)
- 压力范围: -1 ~ 40 bar (-14.5 ~ 580 psi)
具有下列系统集成通信接口:
-4 - 20 mA HART模拟接口
- PROFIBUS PA接口
- 用于物位监测时,符合SIL2要求,由TüV进行独立评估,符合IEC 61508标准
技术参数
Continuous / Liquids
测量原理
Guided radar
Characteristic / Application
Premium device
Rod probe, Rope probe, Coaxial probe
Integrated data memory, Factory precalibrated, Reliable measuring: in case of moved surface + foam, for changing medias.
Interface measurement
Clean interfaces liquid/ liquid;
Simultaneous measurement of interface and overall level
Supply / Communication
2-wire (HART / PROFIBUS PA)
4-wire (HART)
Accuracy
Rod probe :+/- 2 mm (0.08 in)
Rope probe <= 15 m (49 ft): +/- 2 mm (0.08 in)
Rope probe > 15 m (49 ft): +/- 10 mm (0.39 in)
Coaxial probe: +/- 5 mm (0.2 in)
Ambient temperature
-40...+80 °C
(-40...+176 °F)
Process temperature
–40...+200 °C
(–40...+392 °F)
Process pressure absolute / max. overpressure limit
Vacuum...40 bar
(Vacuum...580 psi)
Main wetted parts
Rod probe:
316L, Alloy C, Ceramic
Rope probe:
316, 316L, Alloy C, Ceramic
Coaxial probe:
316L, Alloy C, Ceramic, PFA
Process connection
Thread:
G3/4...G1 1/2;
MNPT 3/4...MNPT1 1/2
Flange:
ASME 1 1/2"...8", DN50...DN 200, JIS 10K
Sensor length
Rod probe: 10 m (33 ft)
Rope probe: 45 m (148 ft)
Coaxial probe: 6 m (20 ft)
Max. measurement distance
Rod: 10 m (33 ft) Min DK>1.6
Rope: 25 m...30 m (82ft...98 ft) Min DK>1.6;
30m...45 m (98ft...148 ft) Min DK>1,9
Coaxial probe: 6 m (20 ft) Min DK>1.4
Output
4...20 mA HART
PROFIBUS PA
FOUNDATION Fieldbus
Certificates / Approvals
ATEX, FM, CSA, CSA C/US, IECEx, NEPSI
Overfill prevention WHG
SIL
EN10204-3.1
Options
Sensor remote with 3 m/9 ft cable
Gas-tight feed through
Application limits
Horizontal storage tank cyl.: use coax probe
Corrosive liquids: FMP52
Interface measurement: Use coax system in favor (coax probe, bypass, stilling well)
Interface with emulsion: FMP55