Description
Product Overview
The KROHNE OPTISONIC 3400 is a three-path inline ultrasonic flowmeter for liquid process applications. Its full-bore design provides bidirectional measurement without moving parts or pressure loss and supports standard, cryogenic and high-temperature versions.
KROHNE Product-Family Information
This page summarizes the engineering scope of the KROHNE OPTISONIC 3400 Ultrasonic Flowmeter. Final selection must be verified against current KROHNE technical documentation, process data and required approvals before ordering.
Detailed Technical and Selection Parameters
| Product model | OPTISONIC 3400 Ultrasonic Flowmeter |
|---|---|
| Measurement principle | Three-path transit-time ultrasonic flow measurement |
| Typical service | Homogeneous aqueous and viscous liquids |
| Installation concept | Inline flanged or welded-end full-bore meter |
| Communication / output | Multiple current outputs plus HART, Modbus, Foundation Fieldbus or PROFIBUS options |
| Performance guidance | DN25 to DN3000 family; process versions from cryogenic to high temperature |
| Materials and configuration | Flowtube and flange materials selected for pressure and corrosion conditions |
| Manufacturer / brand | KROHNE |
| Model confirmation | Final specifications depend on the complete ordered model code and process data |
| Commercial support | Santan Fluid provides model review, quotation and international supply support |
Typical Industry Applications
- Water transportation pipelines
- Cryogenic liquid flow
- Hydrocarbon process measurement
- Large-diameter utility flow
Information Required for Model Selection
- Pipe size and flow velocity
- Liquid viscosity and acoustic properties
- Pressure and temperature
- Flange or weld-end standard
- Communication, SIL and remote-mounting needs
Engineering Notes
Selection should consider process conditions, wetted-material compatibility, installation geometry, communication protocol, diagnostics and hazardous-area requirements. Product names and trademarks belong to their respective owners.
Request Model Confirmation and Quotation
Send the process data sheet, required model code or application description to our instrumentation team.
Email: sales@santanfluid.com
WhatsApp: +8613690223185
Standard Technical Specification Summary
Use these fields for preliminary selection. Final values depend on the complete manufacturer model code and selected options.
| Model | KROHNE OPTISONIC 3400 Ultrasonic Flowmeter |
|---|---|
| Measurement Range | Bidirectional liquid velocity 0.3 to 20 m/s; nominal sizes DN25 to DN3000 |
| Accuracy | +/-0.3% of measured value +/-2 mm/s; repeatability 0.2% under reference conditions |
| Process Connection | EN 1092-1 flanges PN6 to PN100 or ASME B16.5 Class 150 to 900; compact and remote versions |
| Output Signal | Current/HART 7, pulse, frequency and status I/O; Modbus RS485, FOUNDATION Fieldbus and PROFIBUS PA options |
| Certifications | ATEX, IECEx, cCSAus and NEPSI hazardous-area approvals; NAMUR NE 107 diagnostics |
| Application Industries | Chemical; refinery; power; water; cryogenic liquids; high-temperature and high-viscosity process liquids |
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