IFM SMF550
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Quick facts
| Availability | Confirmed on request |
| Category | Magnetic-inductive volumetric flow meters |
| Warranty | 12-month (new) · 3-month (used/refurbished) |
Shipping & availability
When can SMF550 be shipped?
SMF550 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Can I pick up SMF550 in person?
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Is express delivery available?
Yes — mention it when you request a quote for SMF550 and we'll include express shipping options in our reply.
My factory is down and I need this urgently — can you help?
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for SMF550, subject to availability and destination.
Magnetic-inductive flow meter (SM Foodmag series) for the food and beverage industry Measured variables: flow rate, total volume, temperature, conductivity and fluid detection Reduced cabling by combining supply voltage and output signals via an M12 connection Housing design increases shock and vibration resistance User-friendly communication and parameterisation via IO-Link
Specifications
Product characteristics
| Measuring range | 20...2000 l/min; 1.2...120 m³/h; 5.28...528.4 gpm; 0.33...32.8 ft/s |
| 20...2000 l/min | 1.2...120 m³/h |
| Nominal diameter | DN65 (2 1/2“) |
| Process connection | ifm-specific device flange |
Application
| Special feature | Gold-plated contacts |
| Application | food and beverage industry |
| Media | conductive liquids; water; hydrous media |
| Note on media | food products such as beer, milk, fruit juices, soft drinks, ketchup, yoghurt, yoghurt toppings, ice cream; conductivity: ≥ 5 µS/cm |
| Medium temperature[°C] [°C] | -20...150 |
| Min. burst pressure | 37.5 bar; 543.75 psi; 3.75 MPa |
| 37.5 bar | 543.75 psi |
| Pressure rating | 25 bar; 362.5 psi; 2.5 MPa |
| 25 bar | 362.5 psi |
Electrical data
| Operating voltage[V] [V] | 18...32 DC |
| Current consumption[mA] [mA] | 250; (24V) |
| Protection class | III |
| Reverse polarity protection | yes |
| Power-on delay time[s] [s] | < 5 |
| Measuring principle | magnetic-inductive |
Inputs / outputs
| Total number of inputs and outputs | 2 |
Inputs
| Inputs | OUT2; external totaliser reset |
| OUT2 | external totaliser reset |
Outputs
| Total number of outputs | 2 |
| Output signal | OUT1; pulse signal; totaliser switching signal; diagnostic signal; IO-Link; OUT2; analogue signal; pulse signal; totaliser switching signal; diagnostic signal |
| OUT1 | pulse signal; totaliser switching signal; diagnostic signal; IO-Link |
| OUT2 | analogue signal; pulse signal; totaliser switching signal; diagnostic signal |
| Electrical design | PNP/NPN |
| Pulse output | flow rate meter |
| Short-circuit protection | yes |
| Type of short-circuit protection | pulsed |
| Overload protection | yes |
| Number of analogue outputs | 1 |
| Analogue current output[mA] [mA] | 4...20; (skalierbar) |
| Max. load[Ω] [Ω] | 500 |
| Resolution of analogue output | 0.38 µA |
| Number of digital outputs | 2 |
| Max. voltage drop switching output DC[V] [V] | 2 |
| Permanent current rating of switching output DC[mA] [mA] | 100 |
| Switching frequency DC[Hz] [Hz] | 0...10000 |
Measuring/setting range
| Measuring range | -20...150 °C; -4...302 °F |
| 20...2000 l/min | 1.2...120 m³/h |
| Note on factory setting | 0...30,0 m³/h |
| Analogue start point ASP | -2000...1600 l/min; -120...96 m³/h; -528.4...422.72 gpm; -32.8...26.24 ft/s |
| -2000...1600 l/min | -120...96 m³/h |
| Analogue end point AEP | -1600...2000 l/min; -96...120 m³/h; -422.72...528.4 gpm; -26.24...32.8 ft/s |
| -1600...2000 l/min | -96...120 m³/h |
| Low flow cut-off LFC | 0...1600 l/min; 0...96 m³/h; 0...422.72 gpm; 0...26.24 ft/s |
| 0...1600 l/min | 0...96 m³/h |
| Pulse length[s] [s] | 0.00005...2 |
| Pulse value | 0.004...99999000 I |
| -20...150 °C | -4...302 °F |
| Analogue start point | -20...116 °C; -4...240.8 °F |
| -20...116 °C | -4...240.8 °F |
| Analogue end point | 14...150 °C; 57.2...302 °F |
| 14...150 °C | 57.2...302 °F |
| Measuring range[µS/cm] [µS/cm] | 100...100000 |
| Resolution[µS/cm] [µS/cm] | 1 |
| Analogue start point[µS/cm] [µS/cm] | 0...80000 |
| Analogue end point[µS/cm] [µS/cm] | 20000...100000 |
Accuracy / deviations
| Accuracy (under reference conditions) | with optional factory calibration (availability is being planned); ± (0,2 % MW + 2 mm/s); standard; ± (0,5 % MW + 1,5 mm/s) |
| with optional factory calibration (availability is being planned) | ± (0,2 % MW + 2 mm/s) |
| standard | ± (0,5 % MW + 1,5 mm/s) |
| Repeatability | ± 5% MW |
| Accuracy[K] [K] | ± 1 |
| Repeatability[K] [K] | ± 0,5 |
| Accuracy (in the measuring range) | in the range of 100...20000 µS/cm; ±10% MW; in the range of 20000...100000 µS/cm; ±20% MW |
| in the range of 100...20000 µS/cm | ±10% MW |
| in the range of 20000...100000 µS/cm | ±20% MW |
Response times
| Response time[s] [s] | < 2 |
| Damping process value dAP[s] [s] | 0...5 |
Software / programming
| Diagnostic functions | direction of flow detection; liquid detection |
Interfaces
| Communication interface | IO-Link |
| Transmission type | COM3 (230,4 kBaud) |
| IO-Link revision | 1.1.3 |
| SDCI standard | IEC 61131-9 |
| Profiles | Smart Sensor - SSP 4.3.4; Measuring and Switching Sensor, floating point, 4 channel; BLOB; Binary Large Object transfer; Common - I&D; Identification and Diagnosis; Extension; Sensor Control Wide; Extension; Quantity detection, switches when value exceeds the setpoint; Function; Locator; Function; ProductURI |
| Smart Sensor - SSP 4.3.4 | Measuring and Switching Sensor, floating point, 4 channel |
| BLOB | Binary Large Object transfer |
| Common - I&D | Identification and Diagnosis |
| Extension | Quantity detection, switches when value exceeds the setpoint |
| Function | ProductURI |
| SIO mode | yes |
| Required master port type | A |
| Process data analogue | 6 |
| Process data binary | 8 |
| Min. process cycle time[ms] [ms] | 1.9 |
| IO-Link process data (cyclical) | totaliser; 32; flow; 32; temperature; 32; conductivity; 32; status; 4; binary switching information; 8 |
| totaliser | 32 |
| flow | 32 |
| temperature | 32 |
| conductivity | 32 |
| status | 4 |
| binary switching information | 8 |
| IO-Link functions (acyclical) | direction of flow detection; totaliser; memory; operating hours counter; internal temperature; simulation function |
| Supported DeviceIDs | default; 1797 |
| default | 1797 |
Operating conditions
| Ambient temperature | -20...65 °C; -4...149 °F |
| -20...65 °C | -4...149 °F |
| Storage temperature | -20...80 °C; -4...176 °F |
| -20...80 °C | -4...176 °F |
| Protection | IP 67; IP 69; (to DIN EN 60529) |
Tests / approvals
| EMC | DIN 61326-1 |
| CPA approval | model number; SMF; accuracy class; 0,5 |
| model number | SMF |
| accuracy class | 0,5 |
| Shock resistance | DIN IEC 68-2-27; 20 g (18ms) |
| DIN IEC 68-2-27 | 20 g (18ms) |
| Vibration resistance | DIN IEC 68-2-6; 5 g (10...2000Hz) |
| DIN IEC 68-2-6 | 5 g (10...2000Hz) |
| MTTF[years] [years] | 82 |
| UL approval | UL approval no.; I032 |
| UL approval no. | I032 |
| Pressure Equipment Directive | Sound engineering practice; can be used for group 2 fluids; group 1 fluids on request |
Mechanical data
| Weight[g] [g] | 6979 |
| Housing | cylindrical |
| Inlet pipe length | 5 x DN |
| Outlet pipe length | 2 x DN |
| Dimensions[mm] [mm] | Ø 154 / L = 140 |
| Materials | housing: stainless steel (316L/1.4404); flange: stainless steel (304/1.4301); electronics fixture: stainless steel (304/1.4301); electronics: stainless steel (316L/1.4404); LED ring: PP |
| Materials (wetted parts) | Pipe section: PFA; electrodes: stainless steel (316L/1.4435) |
| Nominal diameter | DN65 (2 1/2“) |
| Process connection | ifm-specific device flange |
| Surface characteristics Ra/Rz of the wetted parts | Ra < 0.4 μm |
Displays / operating elements
| Display | operating status; LED ring, three-colour |
| operating status | LED ring, three-colour |
| Factory setting | m³/h; °C; μS/cm |
Remarks
| Remarks | MW = measured value; MEW = Final value of the measuring range; pulse and totaliser signal are only available for one of the two outputs; reference conditions (1/2): water (free of gas bubbles), 15...35 °C, process connection: DIN32676 series A, pipe standard suitable for process connection; reference conditions (2/2): inlet pipe length 10xDN, outlet pipe length 5xDN, device settling time: 30 minutes, device orientation: horizontal, display orientation: up; accuracy specifications according to factory certificate on delivery |
| Pack quantity | 1 pcs. |
Electrical connection
| Connector | 1 x M12; coding: A; Contacts: gold-plated |









