This is a product of KROHNE Marshall.

OPTIMASS 6400

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.

Product features and options depend on device configuration: Contact us to make sure that your preferred functionality can be combined in one device.

Twin bent tube design
Entrained Gas Management (EGMTM): maintains operation with air or gas entrainments in the medium
The world’s first Coriolis mass flowmeter on the market allowing secure wireless access via Bluetooth® or remotely via HART® in safety-related applications
Device commissioning, verification, diagnostics and monitoring via a secure wireless Bluetooth® connection (<20 m / 65.6 ft)
SIL 2/3 certified up to DN200 / 8″
Partial proof test possible with PTC (Proof Test Coverage) of up to 82%
Fast and completely digital signal processing
Integrated temperature measurement
Optimised flow splitter for minimum pressure loss
High accuracy mass, density and volume flow measurement (optional ±0.05% of MV)
Highest OIML accuracy class of 0.3 for custody transfer (CT)
Extensive sensor and process diagnostics (incl. NE 107)
Available in three different sensor materials (incl. Duplex and alloy 22)
Many options (heat tracing, purge port etc.)
Self draining when mounted vertically
No crosstalk: resistant to installation and process effects
On-site verification of flowmeter with OPTICHECK service tool possible

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