Available on request
IFM SU8631
MPN: SU8631 · Brand: IFM
Price on request
12-month warranty (new) · 3-month (used/refurbished)
30-day returns, no restocking fee on unused parts
Ships via
Quick facts
| Availability | Confirmed on request |
| Category | Ultrasonic flow meters |
| Warranty | 12-month (new) · 3-month (used/refurbished) |
Shipping & availability
When can SU8631 be shipped?
SU8631 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 SU8631 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 SU8631 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 SU8631, subject to availability and destination.
Accurate flow measurement of ultrapure water, water, oils and glycol solutions A robust, component-free measuring pipe made of stainless steel offers high media resistance and permanent ingress resistance The highly accurate inline measurement process eliminates any influence of varying wall thicknesses and pipe materials Operating status LED signals the sensor status and allows conclusions about process quality Convenient operation via buttons or parameter setting via IO-Link
Specifications
Product characteristics
| Measuring range | 1...240 l/min; 0.06...14.4 m³/h; 16...3804 gph; 0.26...63.4 gpm |
| 1...240 l/min | 0.06...14.4 m³/h |
| Process connection | threaded connection 1" NPT external thread DN25 |
Application
| Special feature | Gold-plated contacts |
| Media | ultra-pure water; water; hydrous media; glycol solutions; oils; coolants |
| Note on media | hydrous media: for media with >10 % additives, the repeatability is the only available value; low-viscosity oils with viscosity: 7...40 mm²/s (40 °C); high-viscosity oils with viscosity: 30...68 mm²/s (40 °C) |
| Medium temperature | -20...100 °C; -4...212 °F |
| -20...100 °C | -4...212 °F |
| Min. burst pressure | 150 bar; 15 MPa |
| 150 bar | 15 MPa |
| Pressure rating | 100 bar; 10 MPa |
| 100 bar | 10 MPa |
| Vacuum resistance[mbar] [mbar] | -1000 |
Electrical data
| Operating voltage[V] [V] | 18...32 DC; (to SELV/PELV) |
| Current consumption[mA] [mA] | < 75 |
| Protection class | III |
| Reverse polarity protection | yes |
| Power-on delay time[s] [s] | 5 |
| Measuring principle | ultrasonic |
Inputs
| Inputs | counter reset |
Outputs
| Total number of outputs | 2 |
| Output signal | switching signal; pulse signal; analogue signal; IO-Link; frequency signal; diagnostic signal; totaliser switching signal |
| Electrical design | PNP/NPN |
| Output function | normally open / normally closed; (parameterisable) |
| 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 |
| Analogue current output[mA] [mA] | 4...20 |
| Max. load[Ω] [Ω] | 500 |
| Pulse output | flow rate meter |
| Short-circuit protection | yes |
| Type of short-circuit protection | pulsed |
| Overload protection | yes |
Measuring/setting range
| Measuring range | -20...100 °C; -4...212 °F |
| 1...240 l/min | 0.06...14.4 m³/h |
| Display range | -44...124 °C; -47.2...255.2 °F |
| -288...288 l/min | -17.28...17.28 m³/h |
| Resolution | 0.1 °C; 0.1 °F |
| 0.1 l/min | 0.001 m³/h |
| Set point SP | -19.6...100 °C; -3.2...212 °F |
| 2.3...240 l/min | 0.139...14.4 m³/h |
| Reset point rP | -20...99.6 °C; -4...211.2 °F |
| 1.1...238.8 l/min | 0.064...14.325 m³/h |
| Analogue start point ASP | -240...192 l/min; -14.4...11.522 m³/h; -3804...3044 gph; -63.4...50.73 gpm |
| -240...192 l/min | -14.4...11.522 m³/h |
| Analogue end point AEP | -191.9...240 l/min; -11.511...14.4 m³/h; -3041...3804 gph; -50.68...63.4 gpm |
| -191.9...240 l/min | -11.511...14.4 m³/h |
| Low flow cut-off LFC | 1...12 l/min; 0.06...0.72 m³/h; 16...190 gph; 0.26...3.17 gpm |
| 1...12 l/min | 0.06...0.72 m³/h |
| Frequency end point, FEP | 4...100 °C; 4...212 °F |
| 48.1...240 l/min | 2.889...14.4 m³/h |
| Frequency at the end point FRP[Hz] [Hz] | 1...10000 |
| Pulse length[s] [s] | 0.002...2 |
| Pulse value | 0.02...99990000 l; 0.005...26414563.515 gal |
| -20...100 °C | -4...212 °F |
| -44...124 °C | -47.2...255.2 °F |
| 0.1 °C | 0.1 °F |
| -19.6...100 °C | -3.2...212 °F |
| -20...99.6 °C | -4...211.2 °F |
| Analogue start point | -20...76 °C; -4...168.8 °F |
| -20...76 °C | 4...168.8 °F |
| Analogue end point | 4...100 °C; 39.2...212 °F |
| 4...100 °C | 4...212 °F |
| Frequency start point, FSP | -20...76 °C; 4...168.8 °F |
Accuracy / deviations
| Accuracy (in the measuring range) | glycol solutions (35%); ±(5,0 % MW + 0,5 % MEW); high-viscosity oils with viscosity 46mm2/s (40°C); ±(5,0 % MW + 0,5 % MEW); low-viscosity oils with viscosity 10mm2/s (40°C); ±(5,0 % MW + 0,5 % MEW); water; ± (1,0 % MW + 0,5 % MEW) |
| glycol solutions (35%) | ±(5,0 % MW + 0,5 % MEW) |
| high-viscosity oils with viscosity 46mm2/s (40°C) | ±(5,0 % MW + 0,5 % MEW) |
| low-viscosity oils with viscosity 10mm2/s (40°C) | ±(5,0 % MW + 0,5 % MEW) |
| water | ± (1,0 % MW + 0,5 % MEW) |
| Repeatability | ± 0,2 % MEW |
| Accuracy[K] [K] | ± 2,5 (Q > 5 % MEW) |
| Temperature coefficient[% of the span / 10 K] [% of the span / 10 K] | 0,2 |
Response times
| Response time[s] [s] | < 0.25; (dAP = 0, T09) |
| Damping process value dAP[s] [s] | 0...5 |
| Dynamic response T05 / T09[s] [s] | 5,7 / 86 |
Software / programming
| Diagnostic functions | direction of flow detection; signal quality |
Interfaces
| Communication interface | IO-Link |
| Transmission type | COM2 (38,4 kBaud) |
| IO-Link revision | 1.1.3 |
| SDCI standard | IEC 61131-9: 2013-07 |
| Profiles | BLOB; Binary Large Object transfer; Common - I&D; Identification and Diagnosis |
| BLOB | Binary Large Object transfer |
| Common - I&D | Identification and Diagnosis |
| Required master port type | A |
| Process data analogue | 3 |
| Process data binary | 2 |
| Min. process cycle time[ms] [ms] | 9.6 |
| IO-Link process data (cyclical) | totaliser; 32; Flow monitoring; 32; Temperature monitoring; 32; status; 4; Output 1; 1; Output 2; 1 |
| totaliser | 32 |
| Flow monitoring | 32 |
| Temperature monitoring | 32 |
| status | 4 |
| Output 1 | 1 |
| Output 2 | 1 |
| Supported DeviceIDs | default; 1759 |
| default | 1759 |
Operating conditions
| Ambient temperature[°C] [°C] | -20...60 |
| Storage temperature[°C] [°C] | -25...80 |
| Protection | IP 67 |
Tests / approvals
| EMC | DIN 61326-1:2021 |
| Shock resistance | DIN IEC 68-2-27; 20 g (11ms) |
| DIN IEC 68-2-27 | 20 g (11ms) |
| Vibration resistance | DIN IEC 68-2-6; 20 g (10...2000Hz) |
| DIN IEC 68-2-6 | 20 g (10...2000Hz) |
| MTTF[years] [years] | 160 |
| UL approval | UL approval no.; I034 |
| UL approval no. | I034 |
| Pressure Equipment Directive | can be used for group 2 fluids; group 1 fluids on request |
Mechanical data
| Weight[g] [g] | 623.4 |
| Housing | rectangular |
| Type of mounting | inlet pipe length 5xDN; outlet pipe length 1xDN |
| Dimensions[mm] [mm] | 162.6 x 48 x 65.2 |
| Materials | housing: stainless steel (316L/1.4404); Display: PFA; Sealing Display: FKM; connector: PBT |
| Materials (wetted parts) | Pipe section: stainless steel (316L/1.4404) |
| Process connection | threaded connection 1" NPT external thread DN25 |
| Surface characteristics Ra/Rz of the wetted parts | 49.21 µin |
Displays / operating elements
| Display | colour display 1,44", 128 x 128 pixels; Switching function; 2 x LED, yellow; diagnosis; 1 x LED, three-colour |
| Switching function | 2 x LED, yellow |
| diagnosis | 1 x LED, three-colour |
| Display unit | l/min; l/h; m³/h; m/s; gpm; gph; ft/s; oz/min |
Accessories
| Items supplied | package insert |
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; the accuracy indications are adhered to over the entire application area |
| Pack quantity | 1 pcs. |
Electrical connection
| Connector | 1 x M12; coding: A; Contacts: gold-plated |
12-month warrantyon all new stock
3-month warrantyon used & refurbished parts
30-day returnsno restocking fee on unused parts
Global shippingFast, tracked delivery worldwide
