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Krohne

OPTIBATCH 4021

Coriolis mass flowmeter for linear and rotating filling machines with integral electronics and ATEX certification.

Krohne OPTIBATCH 4021

The OPTIBATCH 4021 is a precision Coriolis flowmeter engineered for demanding filling applications requiring simultaneous flow rate and mass measurement of liquids. Built with 316L stainless steel tubing and rated to 40 barg at temperatures up to 100°C, it delivers reliable performance in both linear and rotating fill systems. The compact design integrates converter electronics on-board, while dual output options—pulse/frequency for filling control and Modbus RTU for diagnostics—enable seamless integration into modern automation platforms. FDA and EHEDG approvals confirm suitability for hygienic and food-grade processes.

Specifications

Product type
Flowmeter
Product family name
OPTIBATCH
Product positioning
For linear and rotating filling machines
Product variants
OPTIBATCH 4021 C – Compact version with integral converter electronics
Measurement variables
Flow rate, Mass
Measured media
Liquids
Process pressure
max. 40 barg/ 580 psig
Process temperature
0…+100°C/ +32…+212°F
Measuring tube
Austenitic stainless steel (1.4404/316L)
Certificates/Approvals Ex
ATEX, IECEx
Certificates/Approvals Hygienic
FDA, 3A, EHEDG, EC 1935/2004, ASME BPE
Discrete outputs
Pulse, Frequency, Status
Digital outputs
Modbus RTU (for service and diagnostics)

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