IFM SI8504
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Quick facts
| Availability | Confirmed on request |
| Category | All flow sensors / flow meters |
| Warranty | 12-month (new) · 3-month (used/refurbished) |
Shipping & availability
When can SI8504 be shipped?
SI8504 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 SI8504 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 SI8504 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 SI8504, subject to availability and destination.
Reliable monitoring of liquids and gases in pipes Process connection with supplied adapter Easy setting of the switch points for quick set-up Robust housing for use in harsh industrial environments LED bar graph for indication of switch point and flow
Specifications
Product characteristics
| Number of inputs and outputs | Number of digital outputs: 1 |
| Process connection | threaded connection 1/2" NPT external thread |
Application
| Media | Liquids; Gases |
| Medium temperature[°C] [°C] | -25...80 |
| Pressure rating | 300 bar; 30 MPa |
| 300 bar | 30 MPa |
Electrical data
| Operating voltage tolerance[%] [%] | -5...10 |
| Operating voltage[V] [V] | 85...265 AC |
| Nominal voltage AC[V] [V] | < 240 |
| Protection class | II |
| Reverse polarity protection | no |
| Power-on delay time[s] [s] | 10 |
Inputs / outputs
| Number of inputs and outputs | Number of digital outputs: 1 |
Outputs
| Total number of outputs | 1 |
| Output signal | switching signal |
| Electrical design | relay |
| Number of digital outputs | 1 |
| Output function | normally open / normally closed; (parameterisable) |
| Contact rating | 3 A (250 V AC / 30 V DC); (number of switching cycles: 20 million mechanically; switching cycles at 3 A load: 100,000 electrical; type of switch-off: normally open) |
| Short-circuit proof | no |
| Overload protection | no |
Measuring/setting range
| Setting range[cm/s] [cm/s] | 200...3000 |
| Greatest sensitivity[cm/s] [cm/s] | 200...800 |
Accuracy / deviations
| Repeatability[cm/s] [cm/s] | 1...5 |
| Note on repeatability | for water 5...100 cm/s; 25 °C; Factory setting |
| Temperature gradient[K/min] [K/min] | 300 |
| Switch point accuracy[cm/s] [cm/s] | ± 2...±10; (for water 5...100 cm/s; 25 °C; Factory setting) |
| Hysteresis[cm/s] [cm/s] | 2...5; (for water 5...100 cm/s; 25 °C; Factory setting) |
Response times
| Response time[s] [s] | 1...10 |
Software / programming
| Adjustment of the switch point | pushbutton |
Operating conditions
| Ambient temperature[°C] [°C] | -25...80 |
| Storage temperature[°C] [°C] | -25...100 |
| Protection | IP 67 |
Tests / approvals
| EMC | DIN EN 60947-5-9 |
| Shock resistance | DIN EN 60068-2-27; 50 g (11 ms) |
| DIN EN 60068-2-27 | 50 g (11 ms) |
| Vibration resistance | DIN EN 60068-2-6; 20 g (55...2000 Hz) |
| DIN EN 60068-2-6 | 20 g (55...2000 Hz) |
Mechanical data
| Weight[g] [g] | 340.194 |
| Housing | cylindrical |
| Dimensions[mm] [mm] | M18 x 1.5 / L = 113 |
| Thread designation | M18 x 1.5 |
| Materials | stainless steel (304/1.4301); PC; PBT-GF20; EPDM/X |
| Materials (wetted parts) | stainless steel (316L/1.4404); O-ring: FKM 80 Shore A |
| Process connection | threaded connection 1/2" NPT external thread |
| Probe diameter[mm] [mm] | 8.2 |
| Installation length EL[mm] [mm] | 27.5 |
Displays / operating elements
| Display | function; 10 x LED, three-colour |
| function | 10 x LED, three-colour |
Electrical connection
| Required protection | miniature fuse to IEC60127-2 sheet 1; ≤ 5 A; fast acting |
Accessories
| Items supplied | Adapter: 1 x 1/2-14NPT, E40107; connector: 1, W70207 |
Remarks
| Remarks | Recommendation Check the safe functioning of the unit after a short circuit. |
| Pack quantity | 1 pcs. |
Electrical connection
| Connector | 1 x 7/8"; coding: A |



