產(chǎn)品詳情
E+H伺服罐表Proservo NMS81 NMS81伺服罐表NMS81-AA NMS81-BC NMS81
NMS81-AA
NMS81-BC
NMS81-IC
NMS81-YY
高精度伺服液位、界面和密度測(cè)量
Proservo NMS81智能罐表設(shè)計(jì)在計(jì)量交接和庫(kù)存控制應(yīng)用中進(jìn)行高精度液位測(cè)量,通過(guò)NMi和PTB認(rèn)證。符合OIML R85和API 3.1B標(biāo)準(zhǔn)的相關(guān)要求。滿足罐區(qū)庫(kù)存管理和損耗控制的嚴(yán)格要求,并已針對(duì)總成本節(jié)約和安全運(yùn)行進(jìn)行優(yōu)化硬件和軟件設(shè)計(jì)符合IEC 61508標(biāo)準(zhǔn),最高安全性為SIL3 (在同構(gòu)冗余系統(tǒng)中)
最高測(cè)量精度為±0.4 mm (± 0.02"),因此具有最高可靠性
設(shè)計(jì)符合國(guó)際計(jì)量法,例如:OIML R85和API MPMS標(biāo)準(zhǔn)
當(dāng)?shù)睾蛧?guó)家認(rèn)證,例如:計(jì)量交接應(yīng)用中的NMi認(rèn)證或PTB認(rèn)證
通過(guò)開放式協(xié)議簡(jiǎn)便地連接至上層DCS系統(tǒng)中,安裝簡(jiǎn)單,能夠進(jìn)行無(wú)故障操作
可以進(jìn)行最多三個(gè)界面、罐底、單點(diǎn)溫度和密度梯度測(cè)量
接液部件采用316L材質(zhì),具有強(qiáng)耐腐蝕性原油、汽油、柴油、石油和化學(xué)品的高精度計(jì)量交接測(cè)量。
過(guò)程連接:法蘭
溫度:-200...+200°C (-328...+392°F)
壓力:0...+25 bar (0...+362 psi)
測(cè)量范圍:Max. 47 m (154 ft)
測(cè)量精度:±0.4 mm (±0.02")
國(guó)際防爆認(rèn)證和計(jì)量交接認(rèn)證,WHG溢出保護(hù)、SIL認(rèn)證
測(cè)量原理 伺服物位罐
特點(diǎn)/應(yīng)用 Servo Tank Gauging: High precision measurement for liquid level, interface, spot density, profile density
特性 Custody transfer level measurement
Interface measurement
Spot density, density profile measurement
電源/通信 85-264VAC
測(cè)量精度 up to 0.4 mm
環(huán)境溫度 Standard:
-40°C…60°C
40°F...140°F)
For calibration to regulatory
Standards:
-25°C…55°C
(-13°F...131°F)
過(guò)程溫度 -200°C...200°C
(-328°F...392°F)
過(guò)程絕壓/最大過(guò)壓界限 0,2...25 bar abs
接觸介質(zhì)部件 316L, AlloyC276, PTFE
過(guò)程連接 Flange:
DN80/3" / DN100/4" / DN150/6"
最大測(cè)量距離 47 m (154 ft)
輸出 Outputs:
Fieldbus: Modbus RS485, V1, HART
Analog 4-20mA output (Exi/ Exd)
Relay output (Exd)
Inputs:
Analog 4-20mA b (Exi/ Exd)
2-, 3-, 4-wire RTD b
Discrete b (Exd, passive/ active)
證書和認(rèn)證 ATEX, FM, IEC Ex
Design approvals EN 10204-3.1
Metrological approvals and certificates OIML, NMi, PTB
可選項(xiàng) Redundant fieldbus
Alu-coated or 316L housing
Weather protection cover
Guide wire assembly
Relief valve
Gas purging nozzle connection
Pressure gauge Cleaning nozzle connection
應(yīng)用局限 Stilling well or guide wires for turbulent application
Recommend PTFE displacer for high viscosity application
Recommend AlloyC276 displacer for corrosive application
Interface measurement requires min. difference of 0.100 g/ml between layers