IFM SL5101 - Airflow Monitor, Relay Output, 24 V DC
IFM SL5101 - Airflow Monitor, Relay Output, 24 V DC
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IFM SL5101 Airflow Monitor — 18...30 V DC supply with potential-free relay output, PUR cable and UL approval. airflow monitoring for ventilation and building automation, Ø 23 mm clamp fitting, 18...30 V DC, potential-free relay output 3 A, potentiometer switch-point setting, titanium sensor tip, IP65, UL approved.
Same-day dispatch across UAE
Order before 2 PM (Sun–Thu). Next-day delivery to Dubai, Sharjah, Abu Dhabi. 2–4 days to other emirates.
7-day return window
Sealed, unused items can be returned within 7 days for full refund or replacement.
Compatibility-checked
Our specialists review every bulk quote to ensure the part fits your application before you commit.
MPN / SKU: SL5101
Also known as: IFM SL5101 flow sensor / flow switch / flow meter / flow monitor.
SL5101 Applications
The IFM SL5101 airflow monitor confirms air movement in ventilation ducts and building-automation systems running on 24 V DC control power. It protects fans, heaters and filters by signalling loss of airflow through a potential-free relay contact. Mounted via a Ø 23 mm clamp fitting with potentiometer switch-point setting, and UL approved, it fits neatly into HVAC and machine control panels.
SL5101 Specifications
| Brand | IFM | Product Type | Airflow monitor |
| Product type code | SLG23CEEAKOG/24VDC | Media | Gases (air) |
| Medium temperature | -10...50 °C | Process connection | Clamp fitting Ø 23 mm |
| Operating voltage | 18...30 V DC | Current consumption | 50 mA |
| Output | 1 relay, 3 A (30 V DC / 250 V AC) | Setting range | 100...1000 cm/s |
| Switch-point setting | Potentiometer | Protection | IP 65 |
| Approval | cULus | Weight | 192.5 g |
| Electrical connection | 2 m PUR cable, 4 x 0.5 mm² |
SL5101 Datasheet & Manual
Download Datasheet & ManualIFM SL5101 · PDF · Official IFM documentSL5101 – Frequently Asked Questions (FAQ)
What is the setting range of the IFM SL5101 airflow monitor?
The IFM SL5101 has a setting range of 100...1000 cm/s, with greatest sensitivity in the 100...400 cm/s range.
What output does the IFM SL5101 provide?
The IFM SL5101 has one relay output rated 3 A (30 V DC / 250 V AC; cULus: 30 V DC / AC); the relay is energised when flow is present.
What is the operating voltage and current consumption of the IFM SL5101?
The IFM SL5101 operates on 18...30 V DC and draws 50 mA.
What is the response time of the IFM SL5101?
The IFM SL5101 has a response time of 3...60 s and a 60 s power-on delay time.
What is the IP rating and temperature range of the IFM SL5101?
The IFM SL5101 is rated IP 65, with an ambient and medium temperature range of -10...50 degrees C.
What materials are used in the IFM SL5101 and its process connection?
The IFM SL5101 has a PBT housing with a titanium sensor surface and mounts via a clamp adapter of diameter 23 mm.
What electrical connection does the IFM SL5101 use?
The IFM SL5101 is supplied with a 2 m PUR cable, 4 x 0.5 mm2, PVC.
Does the IFM SL5101 have status indication?
Yes, the IFM SL5101 includes red and green LED indicators for status display.

Being a UAE company, our UAE shipments are subject to tariffs. Under DDP (Delivered Duty Paid), all applicable tariffs and fees are calculated and paid upfront at checkout.
Same-day dispatch across UAE
Order before 2 PM (Sun–Thu). Next-day delivery to Dubai, Sharjah, Abu Dhabi. 2–4 days to other emirates.
7-day return window
Sealed, unused items can be returned within 7 days for full refund or replacement.
Compatibility-checked
Our specialists review every bulk quote to ensure the part fits your application before you commit.
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