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德國(guó)E+H FMR51系列 物位計(jì)原理
點(diǎn)擊次數(shù)：1254 發(fā)布時(shí)間：2015-8-4
E+H雷達(dá)測(cè)量行程時(shí)間原理
Micropilot FMR51適用于zui高要求的液位測(cè)量的標(biāo)準(zhǔn)傳感器 Endress+Hauser Endress+Hauser
Micropilot FMR51適用于工況下的液位測(cè)量, 例如石油天然氣和化工等行業(yè)的高溫、高壓場(chǎng)合。Micropilot FMR51的傳感器表面采用了創(chuàng)新的設(shè)計(jì)，保持zui穩(wěn)定的測(cè)量值。Micropilot 用于液體、漿料和泥漿的連續(xù)性、非接觸式的物位測(cè)量。測(cè)量不受介質(zhì)變化、溫度變化、氣相介質(zhì)或蒸汽的影響。
E+HFMR51物位計(jì)優(yōu)勢(shì)
硬件和軟件開(kāi)發(fā)過(guò)程符合IEC 61508標(biāo)準(zhǔn)，單臺(tái)儀表滿足SIL2， 同構(gòu)冗余條件下達(dá)SIL3
HistoROM集成數(shù)據(jù)存儲(chǔ)單元，幫助快速調(diào)試、維修和診斷
測(cè)量可靠性高，基于多回波追蹤計(jì)算，即使倉(cāng)內(nèi)存在障礙物依然能夠準(zhǔn)確測(cè)量
無(wú)縫集成到控制或設(shè)備管理系統(tǒng)
直觀的菜單引導(dǎo)式操作（在線或通過(guò)控制系統(tǒng)）
通過(guò)世界的SIL和WHG實(shí)驗(yàn)認(rèn)證，節(jié)約您的時(shí)間和經(jīng)濟(jì)成本
基于雙陶瓷耦合與氣密引線設(shè)計(jì)，安全性非常高
E+HFMR51物位計(jì)應(yīng)用領(lǐng)域
喇叭狀探頭，可勝任工況下的物位測(cè)量。
過(guò)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(cè)量范圍：40m (131ft), 動(dòng)態(tài)響應(yīng)70m (230ft)
精度誤差：±2mm
K波段：26GHz
防爆認(rèn)證, 5-point線性協(xié)議, WHG, 造船資質(zhì)認(rèn)證, 氣密引線
E+HFMR51物位計(jì)技術(shù)信息
| 測(cè)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) | |
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| 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 | |