HYU-73 Wireless 868 MHz Smart4Home IP44 Flood Sensor with 3-Meter Probe and Acoustic Alarm - Hyundai
The HYU-73 is a wireless flood sensor designed for the Smart4Home system , ideal for the early detection of water leaks and flooding in residential and commercial environments. Equipped with a liquid detection probe with a 3-meter cable , it signals the presence of water via audible alarms and LED indicators , also allowing the reception of notifications on smartphones and tablets via a dedicated app. It uses an 868 MHz radio frequency with a wireless range of up to 150 meters in open fields and supports the Auto Pairing function for automatic pairing. It has an IP44 protection rating , is powered by 3 1.5V AA batteries and allows monitoring of the sensor status, radio signal and battery via the app. With dimensions of 85 × 85 × 39 mm and an operating temperature of -10°C to +40°C , it is suitable for installation in homes, cellars, boats and commercial buildings. Hyundai
HYU-73 | 868 MHz WIRELESS FLOOD SENSOR WITH 3-METER PROBE AND AUDIBLE ALARM
The HYUNDAI HYU-73 is a wireless flood sensor designed for the Smart4Home system , ideal for the early detection of water leaks and flooding in residential and commercial environments. Equipped with a liquid detection probe with a 3-meter cable , it signals the presence of water via audible alarms and LED indicators, also allowing the reception of notifications on smartphones and tablets via a dedicated app. It uses an 868 MHz radio frequency with a wireless range of up to 150 meters in open fields and supports the Auto Pairing function for automatic pairing. It has an IP44 protection rating , is powered by 3 1.5V AA batteries and allows monitoring of the sensor status, radio signal and battery via the app. With dimensions of 85 × 85 × 39 mm and an operating temperature of -10°C to +40°C, it is suitable for installation in homes, cellars, boats and commercial buildings.
Main specifications:
- Type: Wireless flood sensor
- Compatibility: Smart4Home
- Detection: Water and liquid leaks
- Probe: 3 meter cable
- Frequency: 868 MHz
- Wireless range: Up to 150 m
- Signaling: Audible alarm and LED
- Notifications: Via app
- Protection: IP44
- Pairing: Auto Pairing
- Power supply: 3 x 1.5V AA batteries
- Dimensions: 85 × 85 × 39 mm
Further details
The device is equipped with an external liquid detection probe , connected to the main unit via a 3-meter cable. This configuration allows the sensor to be positioned in the area to be monitored, making it easier to detect water leaks even in locations far from the wireless unit.
The device offers a radio signal range of up to 150 meters in open fields , allowing communication with the Smart4Home system without the need for data transmission cabling. The 868 MHz wireless technology allows for flexible installation in residential and commercial environments.
Technical data sheet
| HYU-73 |
| Specifications |
| IP44 protection |
| Liquid sensor |
| Frequency: 868MHz |
| Signal range up to 150 meters in open field |
| LED and audible notifications |
| Automatic aggregation (auto pairing) |
| Power supply: 3 x 1.5V AA batteries |
| Operating temperature +10°C ~ +40°C |
| Relative humidity up to 85% |
| Dimensions: 85 x 85 x 39 mm |
| Cable length: 3 meters |



