KROHNE OPTIFLUX 4400
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NG # 006601-HW-KROHNE-001
Manufactured by:
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Electromagnetic flowmeter for safety instrumented systems (SIS) and high-accuracy requirements
Specification
General information
| Product type | Flowmeter |
| Product family name | OPTIFLUX |
| Product positioning | For safety instrumented systems |
| Measurement principle | Electromagnetic |
| Contact to measured medium | Yes |
| Measured media | Liquids |
| 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 VAC |
| Power supply (VDC) | 24 VDC |
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) |
Description
The OPTIFLUX 4400 electromagnetic flowmeter (EMF) is developed in accordance with IEC 61508 for safety-related applications up to safety integrity level (SIL) 2/3. It features automated partial proof testing capabilities, which allows to extend the time interval between full proof tests and increase plant uptime in safety instrumented systems (SIS).