OPTIBATCH 4021
Coriolis mass flowmeter for linear and rotating filling machines with integral electronics and ATEX certification.

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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