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用于液体、浆料和块料非接触式物位测量的一体化测量变送器
优点
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四行纯文本显示的菜单式现场操作，快速简单地进行仪表调试，具有7种可选语言
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现场包络线显示，简单进行仪表故障诊断
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提供的FieldCare操作软件，使用户可以方便地对仪表进行远程操作、故障诊断和测量点文件编制
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适用于爆炸危险区域(气体-Ex, 粉尘-Ex)
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多达32点的线性化功能可将长度、体积或流量测量值转换成任意单位
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非接触式测量方法，减少了维护需求
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可使用分离显示和操作单元（与变送器的最大安装间距可达20m(66ft)）
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集成温度传感器，自动对受温度影响的声速进行校正
应用领域
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适用于液体、浆料、淤泥和固体块料的连续非接触式物位测量
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明渠和测量堰的流量测量
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系统集成::
HART (标准), 4 ... 20 mA
PROFIBUS PA
FF基金会现场总线 -
最大测量范围
液体: 10 m 固体: 5 m
其他变送器测量范围:
- FMU40:
液体: 5 m 固体: 2m - FMU41:
液体: 8m 固体: 3,5 m - FMU43:
液体: 15 m 固体: 7 m - FMU44:
液体: 20 m 固体: 10 m
技术参数
Continuous / Liquids
Continuous / Solids
测量原理
Ultrasonic
Characteristic / Application
Compact ultrasonic transmitter
Supply / Communication
2/4-wire (HART), PROFIBUS PA, FOUNDATION Fieldbus
Accuracy
+/- 4 mm or +/- 0,2 % of set measuring range
Ambient temperature
-40 °C ... 80 °C
(-40 °F ... 176 °F)
Process temperature
-40 °C ... 80 °C
(-40 °F ... 176 °F)
Process pressure absolute / max. overpressure limit
0.7 bar ... 2.5 bar abs
(10 psi ... 36 psi)
Main wetted parts
PVDF
Process connection
Flange
DN80, ANSI 3", JIS 10K 80
DN100,ANSI 4", JIS 10K 100
Mounting bracket
Blocking distance
0.4 m (1.3 ft)
Max. measurement distance
10 m (33 ft)
Output
4 ... 20 mA HART
PROFIBUS PA
FOUNDATION Fieldbus
Certificates / Approvals
ATEX
FM
CSA
NEPSI
Application limits
Foam / high turbulence possible:
FMU44/FDU92
Fast filling and discharging rate:
FMU90 + FDU9x
Level limit detection
FMU90 + FDU9x
| 测量原理 | Ultrasonic | |
| Characteristic / Application | Compact ultrasonic transmitter | |
| Supply / Communication | 2/4-wire (HART), PROFIBUS PA, FOUNDATION Fieldbus | |
| Accuracy | +/- 4 mm or +/- 0,2 % of set measuring range | |
| Ambient temperature | -40 °C ... 80 °C (-40 °F ... 176 °F) | |
| Process temperature | -40 °C ... 80 °C (-40 °F ... 176 °F) | |
| Process pressure absolute / max. overpressure limit | 0.7 bar ... 2.5 bar abs (10 psi ... 36 psi) | |
| Main wetted parts | PVDF | |
| Process connection | Flange DN80, ANSI 3", JIS 10K 80 DN100,ANSI 4", JIS 10K 100 Mounting bracket | |
| Blocking distance | 0.4 m (1.3 ft) | |
| Max. measurement distance | 5 m (16 ft) | |
| Output | 4 ... 20 mA HART PROFIBUS PA FOUNDATION Fieldbus | |
| Certificates / Approvals | ATEX FM CSA TIIS NEPSI | |
| Application limits | Take notice of range diagram | |
