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KROHNE Optimass 6000-Size 50; Twin Bent-Tube Coriolis Flow Sensor

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The OPTIMASS 6400 is the standard high performance Coriolis mass flowmeter for the process industry. The twin bent tube meter offers superior performance and high accuracy in virtually any application: From process control in (petro)chemical applications to concentration measurements in the food and beverage industry to custody transfer filling and transport measurements in the oil and gas industry. Its high-end options also make the OPTIMASS 6400 the optimum device for cryogenic media like Liquefied Natural Gas (LNG) with temperatures down to -200°C / -328°F as well as applications involving high operating temperatures (up to 400°C / 752°F) or pressures (up to 200 barg / 2900 psig).

The OPTIMASS 6400 features Entrained Gas Management (EGMTM) for liquid applications and thus maintains operation even with entrained gas of up to 100%. The meter has various approvals for hazardous areas and is also suitable for use in Safety Instrumented Systems (SIL 2/3). It comes with extensive diagnostic functions (NE 107) and various digital communication options. Via the OPTICHECK Flow Mobile app all device settings can be managed on-site via a secure Bluetooth® connection. In this way, a variety of commissioning tasks, e.g. zero calibration or configuration of diagnostics, can be done wirelessly.


  • Tube Material
  • Surface Finish
  • Process Connection
  • Sealing Face
  • Design
  • Options
  • Hazardous Area Approvals
  • Sanitary & Design Approvals
  • Configuration
  • Calibration
  • Process Requirements
  • Extended Options
  • Converter Type
  • Destination
  • Functional Safety

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Product Datasheets

Datasheet 1

The OPTIMASS 6400 is the standard high performance Coriolis mass flowmeter for the process industry. The twin bent tube meter offers superior performance and high accuracy in virtually any application: From process control in (petro)chemical applications to concentration measurements in the food and beverage industry to custody transfer filling and transport measurements in the oil and gas industry. Its high-end options also make the OPTIMASS 6400 the optimum device for cryogenic media like Liquefied Natural Gas (LNG) with temperatures down to -200°C / -328°F as well as applications involving high operating temperatures (up to 400°C / 752°F) or pressures (up to 200 barg / 2900 psig).

The OPTIMASS 6400 features Entrained Gas Management (EGMTM) for liquid applications and thus maintains operation even with entrained gas of up to 100%. The meter has various approvals for hazardous areas and is also suitable for use in Safety Instrumented Systems (SIL 2/3). It comes with extensive diagnostic functions (NE 107) and various digital communication options. Via the OPTICHECK Flow Mobile app all device settings can be managed on-site via a secure Bluetooth® connection. In this way, a variety of commissioning tasks, e.g. zero calibration or configuration of diagnostics, can be done wirelessly.

Specifications

Tube Material [VE754S] 316 / 316 L Dual certified Stainless Steel, [VE754H] Hastelloy C22
Surface Finish [0] Standard, [2] Surface finish Ra 0.8 μm incl. Certificate
Process Connection [ND] 1-1/2" ASME 150lb, [NE] 1-1/2" ASME 300lb, [NF] 1-1/2" ASME 600lb, [PD] 2" ASME 150lb, [PE] 2" ASME 300lb, [PF] 2" ASME 600lb, [P1] 2" ASME 900lb, [P2] 2" ASME 1500lb, [PR] 2" Tri-Clamp
Sealing Face [0] Standard, [E] RTJ acc. ASME B16.5
Design [0] Short Stem (-196°C to +150°C), [K] Extended Stem (-196°C to +400°C)
Options [0] without, [1] Standard/High Temp Insulation Casing, [2] Cryogenic/Low Temp Insulation Casing, [5] Liquid/Steam Heating Jacket - 1/2" ASME 150lb, [A] Purge Fittings 1/2" NPTF
Hazardous Area Approvals [0] without, [A] cFMus GP (USA), [B] cFMus OL (Canada), [T] cFMus (USA), [U] cFMus (Canada) / Dual Seal for Liquids, [V] cFMus (Canada) / Dual Seal for Gases
Sanitary & Design Approvals [0] without, [2] 3A, [M] NACE according to MRO103 / ISO 17945, [N] NACE according to MRO175 / ISO 15156
Configuration [0] Compact/Integral Mount Converter, [1] Remote Converter with Aluminum Junction Box, [2] Remote Converter with Stainless Steel Junction Box
Calibration [0] 3 Point Mass Flow Calibration, [1] 5 Point Mass Flow Calibration, [2] 5 Point Mass Flow Calibration Bi-Directional + ISO/IEC 17025 Certificate, [3] 3 Point Volume Flow Calibration (acc. ISO 10790), [4] 5 Point Volume Flow Calibration (acc. ISO 10790), [5] 5 Point Volume Flow Calibration Bi-Directional (acc. ISO 10790) + ISO/IEC 17025 Certificate, [A] 3 point Mass Flow Calibration + Density Calibration with Water at 3 Temps + Certificate, [B] 5 point Mass Flow Calibration + Density Calibration with Water at 3 Temps + Certificate, [D] 5 Point Mass Flow Calibration + ISO/IEC 17025 Calibration Certificate, [E] 5 Point Volume Flow Calibration (acc. ISO 10790) + ISO/IEC 17025 Calibration Certificate, [R] 5 Point Mass Flow 0.05% Calibration + ISO/IEC 17025 Certificate, [S] 5 Point Mass Flow 0.05% Calibration with Volume acc. ISO 10790 + ISO/IEC 17025 Certificate
Process Requirements [0] Standard, [1] Degreasing of Wetted Parts + Certificate (Mandatory for Oxygen Measurements), [C] Cryogenic ( -196°C to 40°C), [D] Cryogenic ( -196°C to 40°C) + Degreasing of Wetted Parts + Certificate, [T] High Temperature ( -50°C to 400°C)
Extended Options [00] without - Liquids, [10] without - Non-Hazardous Gases Below 10 Bar, [Y0] USA NTEP, [F0] Measurement Canada, [Z0] acc. OIML R117-1 for Liquids Other Than Water, [P0] acc. OIML R137-1 for Fuel Gases (Including Burst Disk), [G0] Burst Disk for Gas Applications
Converter Type [6] MFC 400 Compact Mount, [7] MFC 400 Field Mount, [3] MFC 400-v1 Compact Mount, [4] MFC 400-v1 Field Mount
Destination [0] without, [C] Canada, [U] USA
Functional Safety [0] without, [S] SIL