Shelly BLU Distance Sensor
$49.00
Smart Bluetooth ultrasonic sensor that measures distance to various surfaces, including liquids. Compact with a long battery life and easy to install, it delivers precise readings with 4 range profiles and adjustable intervals. Connects to your Shelly network or compatible automation system (i.e. Home Assistant) via Bluetooth – using an existing Shelly Wi-Fi device (Gen 2 or higher) as a gateway.
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Shelly BLU Distance.
Ultrasonic distance sensor.
Bluetooth
Ultrasonic Measurement
Adjustable Measurement Intervals
Customise how often the Shelly BLU Distance Sensor takes measurements to fit your needs.
4 Range Profiles
Choose from four predefined measurement modes.
Compact & Easy to Install
Slim design mounts in a 36 mm hole – no complex setup required.
Long battery life
Operates for up to 4 years on a single battery (included in the box).
Water tanks.
Keep track of your water levels and usage without lifting the lid or checking manually. Install Shelly BLU Distance Sensor on your rainwater collection or household storage tank to monitor water levels in real time. The sensor sends updates via Bluetooth to your Shelly Smart Control App, allowing you to:
Get notified when the tank is nearly empty or full.
Automate water pumps using other Shelly relays.
Optimise water usage without running cables.
Septic tanks.
Avoid messy surprises and costly overflows by keeping tabs on your septic tank – easily. Mount the Shelly BLU Distance Sensor on the inside of the tank lid, pointing down toward the liquid surface, to continuously measure the fill level in real time. The sensor connects via Bluetooth to the Shelly Smart Control App, giving you instant visibility and alerts without opening the tank or running cables. With Shelly BLU Distance Sensor, you can:
Get notified before your tank reaches critical levels.
Automate pumps or alarms using other Shelly relays and devices.
Monitor efficiently and safely without manual inspections or wiring.
Stay ahead of maintenance and protect your septic system – all from your phone.
Vehicle detection
Let your smart home know when your car has arrived or left.
Place the Shelly BLU Distance Sensor on your garage ceiling or driveway entrance. It detects the presence of your vehicle and sends signals to automate:
Opening the garage door via Shelly relays.
Turning on driveway or garage lights.
Sending you alerts when someone parks in your spot.
Space monitoring.
Manage tight spaces and restock timing without being there. Install the sensor in a small supply or stockroom to measure the distance to products or goods. Use it to:
Know when supply bins are low (e.g., cups, bags, ingredients).
Monitor space availability in fridges, cabinets, or shelves.
Send alerts to refill or reorder on time-without daily checks.
How it connects.
Bluetooth Low Energy.
Shelly BLU Distance communicates via Bluetooth Low Energy to any Shelly Wi-FI (Gen2 or above) device, which in turn brings your Shelly BLU device into your Shelly system (or Home Assistant) via Wi-Fi.
Shelly BLU Distance can also communicate directly with any smart hub that supports BTHome – including Homey Pro.
The finer details
Power |
|
| Power supply: | 1 x 3.6 V LISOC 14505 2700mAh battery (included) |
| Rechargeable: | No |
| Power supply AC: | No |
| Battery life: | Up to 4 years |
Sensors |
|
| Ultrasonic sensor: | Yes |
| Range: | 200 mm - 5000 mm |
Connectivity |
|
| Bluetooth protocol: | 5 |
| Radio frequency: | 2402 - 2480 MHz |
| Radio signal power: | <20 dBm |
| Wireless range: | Up to 30 m / 100 ft outdoors, up to 10 m / 33 ft indoors (depending on local conditions) |
| Encryption: | AES (CCM mode) |
Environmental |
|
| IP Rating: | IP64 |
| Ambient temperature: | 20 °C to 40 °C |
| Humidity: | 30% to 75% RH |
Dimensions |
|
| Without casing: | Size (LxD) 115.20 mm / 4.53 in ±0.5 mm (length) x 33.3 mm / 1.31 in ±0.5 mm (diameter) |
| With casing: | Size (LxD) 117.90 mm / 4.64 in ±0.5 mm (length) x 35.30 mm / 1.39 in ±0.5 mm (diameter) |
| Note: | The device, along with the casing, must be mounted in a hole with a minimum diameter of 36.00 mm. |
Product Questions & Answers
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What is the IP rating of this product? Thanks.
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Q What is the IP rating of this product? Thanks.A The IP rating is IP64.
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