德國E+H  FMR51系列 物位計原理

E+H雷達測量行程時間原理
Micropilot FMR51適用于zui高要求的液位測量的標準傳感器  Endress+Hauser   Endress+Hauser       
Micropilot FMR51適用于工況下的液位測量, 例如石油天然氣和化工等行業的高溫、高壓場合。Micropilot FMR51的傳感器表面采用了創新的設計，保持zui穩定的測量值。Micropilot 用于液體、漿料和泥漿的連續性、非接觸式的物位測量。測量不受介質變化、溫度變化、氣相介質或蒸汽的影響。
E+HFMR51物位計優勢
 硬件和軟件開發過程符合IEC 61508標準，單臺儀表滿足SIL2， 同構冗余條件下達SIL3
 HistoROM集成數據存儲單元，幫助快速調試、維修和診斷
 測量可靠性高，基于多回波追蹤計算，即使倉內存在障礙物依然能夠準確測量
 無縫集成到控制或設備管理系統
 直觀的菜單引導式操作（在線或通過控制系統）
 通過世界的SIL和WHG實驗認證，節約您的時間和經濟成本
 基于雙陶瓷耦合與氣密引線設計，安全性非常高
E+HFMR51物位計應用領域
喇叭狀探頭，可勝任工況下的物位測量。
 過程連接：1 " 螺紋, 卡箍連接或法蘭
 溫度范圍：-196 至 +450°C (-321 至 + 842°F)
 壓力范圍： -1 至 +160bar (-14.5 至 +2,320psi)
 zui大測量范圍：40m (131ft), 動態響應70m (230ft)
 精度誤差：±2mm
 K波段：26GHz
 防爆認證, 5-point線性協議, WHG, 造船資質認證, 氣密引線
E+HFMR51物位計技術信息

測量原理	Level radar
Characteristic / Application	Premium device for continuous non-contact level measurement of liquids, pastes and slurries even under extreme process conditions; Horn antenna: 40...100 mm
Interface measurement
Supply / Communication	2-wire (HART / PROFIBUS PA/ FOUNDATION Fieldbus) 4-wire (HART)
Frequency	K-band (~26 GHz)
Accuracy	+/- 2 mm (0.08 in)
Long term stability
Linearity error for conductive liquids
Ambient temperature	-40...+80 °C (-40...+176 °F)
Process temperature	-196...+450 °C (-321...+842 °F)
Process pressure absolute / max. overpressure limit	Vacuum...160 bar  (Vacuum...2320 psi)
Pressure measuring range
Main wetted parts	316L, Alloy C, PTFE, ceramic
Process connection	Thread: MNPT 1 1/2, R 1 1/2 Flange: DN50...DN150, ASME 2"...6", JIS 10K, 63K
Process connection hygienic	Tri-Clamp ISO2852
Blocking distance
Sensor length
Max. measurement distance	Standard: 40 m (131 ft) With enhanced dynamics: 70 m (229 ft)
Output	4...20 mA HART  PROFIBUS PA FOUNDATION Fieldbus
Certificates / Approvals	ATEX, IECEx, Overfill prevention WHG SIL EN 10204-3.1 NACE
Options	Display, Customized parameterization Gas-tight feed through Antenna extension PWIS free
Specialities	SIL 2 according to IEC 61508, Safety and reliability with Multi-Echo Tracking, HistoROM
Application limits	Maximum measuring range is dependent on the tank form and/or application Ammoniacal gas phase: FMR54 in stilling well Strong buildup formation: FMR54 with air purge 316L or Alloy C non-resistant: FMR50, FMR52, FMR53 Hygiene requirements: FMR52, FMR53 Custody transfer measurement: FMR5xx