|
非接触式连续测量物位和流量的超声波探头
与FMU90/FMU95变送器配套使用
优点
-
非接触式测量方法; 降低了维护需要
-
集成温度探头用于校正超声波运行时间。即便处于温度变化的环境之中，也可得到准确的测量结果.
-
FMU90 /FMU95变送器能自动识别探头类型，因此调试十分简单
-
探头和变送器能分离安装，最长间距达300m
-
探头可与变送器分离进行安装，能适应恶劣的外部工作环境
-
探头的自清洗功能有效地降低了粘附现象发生的可能性
-
抗侵蚀，防水型 (IP68)
-
通过粉尘防爆(Dust-Ex)认证和气体防爆(Gas-Ex)认证(ATEX, FM, CSA, TIIS)
应用领域
-
对液体，糊状物，浆料，粉料及表面粗糙的固体块状物进行连续的非接触式物位测量
-
对明渠和测量堰进行流量测量
-
最大测量范围
液体：25m
块料：15m -
适用于爆炸危险区域
其他探头测量范围:
- FDU91/FDU91F:
液体：10 m
块料：5 m - FDU92:
液体：20m
块料：10m - FDU95:
块料：45m - FDU96:
块料：70m
技术参数
Continuous / Liquids
Continuous / Solids
测量原理
Ultrasonic
Characteristic / Application
Separated version with field housing or top hat rail housing for control cabinet instrumentation, 300m in-between seonsor and transmitter
Supply / Communication
4-wire (HART , Profibus DP)
Accuracy
+/- 2mm + 0.17% of measured distance
Ambient temperature
-40 °C ... 95 °C
(-40 °F ... 203 °F)
Process temperature
-40 °C ... 95 °C
(-40 °F ... 203 °F)
Process pressure absolute / max. overpressure limit
0.7 bar ... 3 bar abs
(10 psi ... 43 psi)
Main wetted parts
UP (unsaturated polyester)
Silicon / Al PTFE coated
Process connection
G / NPT 1"
Blocking distance
0.6 m (2 ft)
Max. measurement distance
25 m (85 ft)
Output
Transmitter:
4 ... 20 mA HART
Profibus DP
Certificates / Approvals
ATEX
FM
CSA
IECEx
Options
Second 4...20mA output
Components
Transmitter:
FMU90, FMU95
| 测量原理 | Ultrasonic | |
| Characteristic / Application | Separated version with field housing or top hat rail housing for control cabinet instrumentation, 300m in-between sensor and transmitter | |
| Supply / Communication | 4-wire (HART , Profibus DP) | |
| Accuracy | +/- 2mm + 0.17% of measured distance | |
| Ambient temperature | -40 °C ... 95 °C (-40 °F ... 203 °F) | |
| Process temperature | -40 °C ... 95 °C (-40 °F ... 203 °F) | |
| Process pressure absolute / max. overpressure limit | 0.7 bar ... 3 bar abs (10 psi ... 43 psi) | |
| Main wetted parts | UP (unsaturated polyester) Silicon / Al PTFE coated | |
| Process connection | G / NPT 1" | |
| Blocking distance | 0.6 m (2 ft) | |
| Max. measurement distance | 15 m (50 ft) | |
| Output | Transmitter: 4 ... 20 mA HART Profibus DP | |
| Certificates / Approvals | ATEX FM CSA TIIS | |
| Options | Second 4...20mA output | |
| Components | Transmitter: FMU90 | |
