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与FDU91/91F/92/93/95/96系列超声波传感器配套使用，配备现场外壳或DIN轨道安装外壳
优点
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具有6行纯文本显示的简单的菜单引导式操作，15种语言可选
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包络线显示可用于快速、简单的故障诊断
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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操作、诊断和测量点文件编制
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可选：4位数字输入（用作泵反馈信号），和一路外部温度输入
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通过内置的或外部温度传感器进行超声波运行时间的修正
- 线性化（最多32点，可自由设定）
- 常用渠/堰的流量测量线性化表已预置，用户可自由选择
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通过集成的流量曲线在线计算渠/堰中介质的流量
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预先编制泵控制程序
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通过HART 或PROFIBUS DP进行系统集成
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自动识别FDU9x系列传感器
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能与FDU8x系列传感器配套使用
FMU90 - 现场外壳 - (如图)
- 环境温度:-40...60 °C / -40...140 °F
- 防护等级:IP66 / NEMA 4x
- 传感器数量: 最多2 个传感器
FMU90 - DIN 轨道安装外壳 - (无图)
- 环境温度:-40...60 °C / -40...140 °F
- 防护等级:IP20
- 传感器数量: 最多2 个传感器
应用领域
物位测量应用
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配备1个或2个超声波传感器可对液体、糊状物、泥块、粉尘或表面粗糙的块状物料进行连续的非接触式物位测量
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测量范围最大70 m (取决于所选传感器的具体型号和被测物料的类型)
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限位检测 (最多可带 6个继电器)
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多级泵控制(交互);格栅控制
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可选: 附加泵控制功能 (泵功能测试, ...)
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计算量: 均值, 差值, 总和
流量测量应用
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配备1个或2个超声波传感器可对明渠和测量堰中的介质进行流量测量
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仅用一个传感器即可同时测量溢流状态下介质的物位和流量
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具有回水检测(2 个传感器)功能或淤泥检测功能的流量测量
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最多可配置3个累加器和3个(可复位)计数器，可选通过数字输入复位
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提供用于控制外部单元的计数脉冲输出或时间脉冲输出
技术参数
Continuous / Liquids
Continuous / Solids
Liquids
测量原理
Ultrasonic
Characteristic / Application
Separated version with Field housing or top hat rail housing for control cabinet instrumentation, up to 6 relays for pump / rake / limit control, 1 or 2 channel version
Supply / Communication
90 ... 253 VAC
10.5 ... 32 VDC
up to 2x 4...20mA HART
Profibus DP
Accuracy
+/- 2mm + 0.17% of measured distance
Ambient temperature
-40 °C ... 60 °C
(-40 °F ... 140 °F)
Output
up to 2x 4 ... 20 mA HART
Profibus DP
Certificates / Approvals
FMU allowed to operate FDU9x in Ex-Zone
CSA GP (tested according UL)
Options
Illuminated display, 6 line graphic display with country specific menu guidance, on-site diagnosis with envelope curve on display
Specialities
Protection Class IP 66 / NEMA 4x
automatic sensor recognition of FDU9x sensors
option: flow measurement for open channel and weirs or additional pump control functions
Components
Sensors FDU9x
| Characteristic / Application | Separated version with Field housing or top hat rail housing for control cabinet instrumentation, up to 6 relays for limit control, 1 or 2 channel version | |
| Supply / Communication | 90 ... 253 VAC 10.5 ... 32 VDC up to 2x 4...20mA HART Profibus DP | |
| Accuracy | +/- 2mm + 0.17% of measured distance | |
| Linearity error for conductive liquids | null | |
| Ambient temperature | -40 °C ... 60 °C (-4 °F ... 140 °F) | |
| Output | up to 2x 4 ... 20 mA HART Profibus DP | |
| Certificates / Approvals | FMU allowed to operate FDU9x in Ex-Zone ATEX: FMU for field housing CSA GP (tested accordung UL) | |
| Options | Illuminated display, 6 line graphic display with country specific menu guidance, on-site diagnosis with envelope curve on display | |
| Specialities | Protection Class IP 66 / NEMA 4x automatic sensor recognition of FDU9x sensors | |
| Components | Sensors FDU9x | |
| 测量原理 | Ultrasonic | |
| Main features | Separated version with field housing or top hat rail housing for control cabinet instrumentation, up to 6 relays for tendency alarm, flow pulse output or backwater / sludge alarm, 1 or 2 channel version | |
| Features | pre-programed flow curves for typical open channel measurement | |
| Communication | HART Profibus DP | |
| Outputs | 4...20mA HART Optional: second 4...20 mA output (e.g. for 2 times flow measurement 1 relay (standard) Optional: 3 or 6 relays | |
| Inputs | up to 2 FDU9x sensors | |
| Ex-Approvals | FMU allowed to operate FDU9x in Ex-zone | |
| Protection electronic | IP66 (Fieldhousing) IP20 (top hat rail housing) | |
| Display/Operation | Illuminated display, 6 line graphic display with country specific menu guidance, on-site diagnosis with envelope curve on display | |
| Advantages | Online calculation from level to flow via pre-programed formula Automatic sensor recognition Measurement of level and flow with one sensor (i.e. storm water basins) 3 flow totalizers and 3 daily counters programable | |
| Components | FDU9x sensors | |
