KROHNE OPTIFLUX 4400 Electromagnetic flowmeter
KROHNE OPTIFLUX 4400 Electromagnetic flowmeter for safety instrumented systems (SIS) and high-accuracy requirements
Description
KROHNE OPTIFLUX 4400 Electromagnetic flowmeter for safety instrumented systems (SIS) and high-accuracy requirements
Specifications
Depending on selected device configuration
General information
| Product type | Flowmeter |
| Product family name | OPTIFLUX |
| Product positioning | For safety instrumented systems |
| Measurement principle | Electromagnetic |
| Measured media | Liquids |
| Contact to measured medium |
Yes |
| Ambient temperature | -40…+60°C / -40…+140°F Up to +65°C / +149°F with fan |
| Nominal diameter / size | DN2.5…DN2000 / ⅒…80 |
| Power supply (VAC) | 85…252 V AC |
| Power supply (VDC) | 24 V DC |
Operating conditions
| Process pressure | max. 40 barg/ 580 psig |
| Process temperature | -40…+180°C/ -40…+356°F |
Materials
| Liner | Perfluoroalkoxy alkane (PFA), Polytetrafluoroethylene (PTFE), Polyuretane (PUR), Hard rubber, Ethylene tetrafluoroethylene (ETFE) |
Process connections
| Flange connections | EN (1092-1): DN2.5…2000 (larger on request) ASME (B 16.5): ⅒…80″ (larger on request) JIS (B 2220): 2.5…1000A |
Approvals/Standards
| Certificates/Approvals Ex | ATEX, IECEx |
| Certificates/Approvals Safety | SIL 2/3 |
| NAMUR compliance |
NE 107, NE 21, NE 43, NE 53, NE 131 |
Communication
| Analogue outputs | 4…20 mA |
| Discrete outputs | Pulse, Frequency, Status |
| Digital outputs | HART® |
Accuracy
| Accuracy (liquids) | Measuring error ±0.2% of measured value (±1 mm/s) |









