FMR250雷達物位計產品描述:
連續的非接觸式固體物位測量儀表。
經濟的4 - 20 mA 兩線制技術.
FMR250雷達物位計優點
- 經濟的兩線制技術:
采用兩線制技術,有效的降低布線成本,且易于實現與現有系統的集成. - 非接觸式測量
測量幾乎不受介質特性影響. - 通過數文引導式菜單輕松進行現場操作.
- 通過Endress+Hauser的操作軟件便于進行儀表調試、文件編制和故障診斷.
- 內置空氣吹洗接口,可用于粉塵嚴重或介質易于粘附的場合.
- zui大測量范圍70 m (230 ft).
- 適用的zui高過程溫度可達200 °C (392 °F).
- 支持HART 或PROFIBUS PA以及FF基金會現場總線協議.
- 可選遠程顯示和操作單元
-
用于物位監測(MIN, MAX) ,符合 IEC 61508/IEC 61511-1標準的要求,通過了SIL 2 認證
應用領域:
Micropilot M可用于對粉末及顆粒狀固體物料進行連續的非接觸式物位測量,也可對液體進行物位測量。
測量不受粉塵,進料噪聲,溫度分層和氣體分層的影響。
典型的應用領域:
- 粉塵嚴重的高固料倉(如水泥生料或動物飼料)中的物位測量
- 可用于溫度高達200 °C (392 °F)的測量場合, 如熟料或飛灰。
- 可對具有強研磨作用的固料進行物位測量,如鐵酸鹽
喇叭尺寸為DN80或DN100的FMR250,適用于所有的標準應用場合,尤其適用于小尺寸安裝短管的測量場合。
喇叭尺寸為DN200 或 DN250的FMR250,采用拋物面喇叭,波束角只有4° 或 3.5°,可用于多種測量場合
技術參數:
| 測量原理 | Level radar solid | |
| Characteristic / Application | Non-contact level measurement especially in powdery to granular bulk solids. Level measurement in tall silos with extremely dusty bulk solids e.g. cement, raw meal or animal feed. Applications with highly abrasive bulk solids e.g. ferrite / clinker | |
| Supply / Communication | 2-wire (HART / PROFIBUS PA / FOUNDATION Fieldbus) | |
| Frequency | K-Band (~ 26 GHz ) | |
| Antenna | Parabolic DN200/8", DN250/10" Horn DN80/3", DN100/4" | |
| Accuracy | +/- 15mm (or 0.04% of range, whatever is larger) | |
| Ambient temperature | -40 °C...+80 °C (-40 °F...+176 °F) | |
| Process temperature | -40 °C...+200 °C (-40 °F...+392 °F) | |
| Process pressure absolute / max. overpressure limit | Vacuum...16bar (Vaccum...232psi) | |
| Main wetted parts | PEEK, 1.4435, 1.4404, 316L | |
| Process connection | Thread: R1 1/2", NPT1 1/2 Flange: DN80, DN 100 ASME 3", 4" JIS 80A, 100A UNI DN100/4"...DN250/10" | |
| Blocking distance | Antenna length + 400mm (15.75") | |
| Max. measurement distance | 70 m (230 ft) | |
| Output | 4...20 mA HART PROFIBUS PA FOUNDATION Fieldbus | |
| Certificates / Approvals | ATEX, FM, CSA, NEPSI SIL | |
| Options | Separate display Antenna extension 250 mm/ 10" or 450 mm/18" Top Target Positioner (+/-15°) | |
| Specialities | Air purge connection | |
| Application limits | Dk < 1.6 Reduction of the max. possible measuring range through: Media with poor reflection properties Angle of repose Extremely loose surfaces of bulk solids, e.g. bulk solids with low bulk weight for pneumatic filling Build-up, above all of moist products | |









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