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The U-5 is a replacement ultrasonic sensor head for the arcus SK80-F KNX fill-level meter. It measures tank levels from 300 to 5,000 mm (11.8 to 196.9 in) with 0.5 % FS accuracy and also reports temperature.
The sensor mounts at the top of the tank facing down, with at least 30 cm (11.8 in) of clearance to the full level. It ships on a 10 m (32.8 ft) cable, is rated IP65 and is intended for drinking, domestic and rain water. Power comes from the SK80-F control unit.
| Article no. | 90800105 |
|---|---|
| Power consumption | 12 VDC supplied by the SK80-F control unit |
| Auxiliary supply | None (powered from SK80-F unit) |
| Measuring | 300-5000 mm (11.8 to 196.9 in), accuracy 0.5 % FS, with temperature |
| Protection rating | IP65 |
| Dimensions | 68 x 80 mm (2.68 x 3.15 in) (D x L) |
| Mounting | Mounted at tank top, facing down (min. 30 cm (11.8 in) clearance to full level) |
| Operating temperature | -10 to +50 °C (14 to 122 °F) |
Application note: Spare sensor head for the arcus SK80-F KNX fill-level meter; it is powered and read by the SK80-F control unit.
(CE certified; not UL/NRTL listed — verify local code requirements before specifying in US installations)
Orders over $500 ship free within the USA (under 50 lbs). Orders under $500 carry a low cost shipping fee.
Most in-stock orders ship within 1–2 business days from Miami, FL. Delivery typically takes 3–5 business days depending on destination.
For freight or oversized orders, our team will contact you with a custom quote.
All KNXSupply products are covered by the manufacturer's warranty, ranging from 1 to 3 years depending on the brand. Warranty terms are fulfilled directly by the manufacturer.
If you experience any issue, contact us and we'll coordinate the claim process on your behalf.