Ultrasonic GPL/Propane Cylinder Level Sensor Bluetooth | No Drilling, App Alerts

Real Gas Level Monitoring Without Guesswork

Managing a GPL or propane cylinder shouldn’t mean guessing when it’s about to run out. This ultrasonic gas level sensor delivers accurate monitoring right to your smartphone, so you always know how much fuel remains — and can plan ahead.

How It Works

This sensor uses ultrasonic waves to measure the distance between the bottom of your cylinder and the liquid surface inside. Since it works from the outside, you don’t need to drill holes or modify your tank in any way.

Bluetooth App Connectivity

Connect the sensor to your phone via Bluetooth. The compatible app lets you:

• View remaining gas in real time (percentage & depth)
• Estimate volume based on cylinder shape
• Track historical usage data
• Set custom low/high level alerts
• Receive notifications for proactive refilling

Quick and Easy Installation

The sensor installs under the cylinder using a magnet and a coupling gel (included). This gel eliminates air gaps and improves ultrasonic transmission, ensuring stable and reliable readings.

For best results:

• Clean and dry the mounting surface before installation
• Apply coupling gel evenly
• Place the sensor at the center of the base
• Ensure stable contact with the cylinder surface

If the cylinder base isn’t magnetic, you can secure the sensor using a strap or bracket alongside the gel.

Benefits You’ll Notice Every Day

• No more guessing: always see real fuel levels at a glance
• No invasive installation: keeps your cylinder intact
• Custom alerts: get notified before you run critically low
• Useful in many settings: home, camper, BBQ, food truck, marine

What It Is — and What It Isn’t

• Bluetooth connection: must be within Bluetooth range to view or update data. Not an internet remote monitoring device.
• Not a leak detector: this device monitors fuel level only; for leak detection, use dedicated safety sensors.
• Installation quality matters: proper surface prep and coupling gel usage affect measurement reliability.

Technical Specifications

Zero Surprises (In a Nutshell)

No drilling. Bluetooth monitoring. App alerts before your LPG runs low.

For anyone who wants to stop guessing and start managing their gas supply like a pro — this sensor is the simplest and most effective way to do it.

Frequently Asked Questions (FAQ)

Does it work with all GPL/propane cylinders?

The sensor is designed to work with most GPL/propane cylinders and tanks with a relatively flat bottom surface. For best readings, ensure the surface is clean and smooth.

How do I see the gas level?

Connect via Bluetooth to the mobile app. The app displays the percentage level, depth measurement, and estimated volume (if configured). You must be within Bluetooth range for real-time updates.

Is installation difficult?

No. The sensor mounts in minutes using a magnet and coupling gel — no tools or drilling required.

How long does the battery last?

The CR2032 replaceable battery typically lasts about one year under normal settings. More frequent measurements may reduce battery life.

Can I monitor remotely over the Internet?

This sensor uses Bluetooth only. For remote internet monitoring, additional hardware or network bridges are required.