Products Description
Features:
1.Non-destructive Magnetic Installation
Magnetic mounting at bottle bottom, no drilling or modification required, real-time and accurate liquid level monitoring
2.Real-time Connection via Bluetooth APP
Bluetooth 5.0 low-power wireless communication. Direct Bluetooth connection with mobile APP to read remaining volume data in real time, supporting synchronous storage of historical data
3.Compatible with All Tank Specifications
Perfectly compatible with LPG cylinders from 2.5kg to 30kg, covering aluminum tanks of 1-7mm thickness and steel tanks of 1-5mm thickness
4.Battery Life ≥ 90 Days
Powered by replaceable 3V button battery. Ultra-low power design, battery life ≥90 days under standard sampling frequency of 2 times per hour
5.Customizable Working Modes
High-frequency sampling every 30 mins for outdoor barbecue mode; low-frequency sampling every 4 hours for indoor standby mode. Users can customize sampling frequency to balance accuracy and battery life
6.Self-adaptation for Medium & Temperature
Built-in recognition algorithm, compatible with pure propane, pure butane and mixed gas media. Equipped with high-precision temperature compensation to eliminate ambient temperature difference, achieving more accurate gas volume calculation
Application Scenarios:
- Gas Company Internal Gas Use
- Gas for RVs
- Household Gas
- Outdoor Camping Gas
- Gas-use for catering enterprises
- Gas-Powered Outdoor Food Truck

Product Features
① Built-in magnet design requires no drilling, adhesives, or tools. It can be directly attached to the bottom of the gas tank for immediate use.
② Supports Bluetooth 5.0 wireless connection. Real-time viewing of remaining gas percentage, estimated usage duration, and other data via the mobile app.
③ Powered by a CR2032 coin cell battery, providing over 90 days of battery life under normal usage with a single cell.
④ Offers "BBQ Mode" (collects and uploads data every 30 minutes, suitable for high-frequency use) and "Indoor Mode" (collects and uploads data every 4 hours, saving energy).
⑤ Features IP66 dust-tight and water-resistant rating. Combined with a stable structural design, it is built for complex environments like outdoor camping.
⑥ Uses a PC+ABS housing that meets V-0 flame-retardant standards, enhancing safety during use.
Product Specification
| Model | LSM-B42 |
| Measurement Variable | ①Propane (95%~100%) ②Butane (95%~100%) ③Propane-Butane Mixture (Mixture Ratio 50/50,75/25,etc.) |
| Measurement Range | 3.5~100cm |
| Dead Zone | ≤3.5cm |
| Measurement Accuracy | ±(1+S*0.5%)cm |
| Angle Accuracy | ≥1° |
| Output Method | Bluetooth Low Energy 5.0+ |
| Working Mode | ①BBQ Mode:30-minute data collection,reports on demand ②Indoor Mode:4-hour data collection,reports on demand ③Instant Report: Press the button to report immediately |
| Power Supply | CR2032 Button Battery (3V) |
| Battery Life | ≥90 days |
| Protection Rating | IP66 |
| Dimensions | 82×60×10mm (LxWxH) |
| Housing Material | PC+ABS (VO Flame Retardant) |
| Installation Method | Built-in Magnet -No Drilling, No Adhesive |
Product Dimensions
Product Features
① Built-in magnet design requires no drilling, adhesives, or tools. It can be directly attached to the bottom of the gas tank for immediate use.
② Supports Bluetooth 5.0 wireless connection. Real-time viewing of remaining gas percentage, estimated usage duration, and other data via the mobile app.
③ Powered by a CR2032 coin cell battery, providing over 90 days of battery life under normal usage with a single cell.
④ Offers "BBQ Mode" (collects and uploads data every 30 minutes, suitable for high-frequency use) and "Indoor Mode" (collects and uploads data every 4 hours, saving energy).
⑤ Features IP66 dust-tight and water-resistant rating. Combined with a stable structural design, it is built for complex environments like outdoor camping.
⑥ Uses a PC+ABS housing that meets V-0 flame-retardant standards, enhancing safety during use.
Product Dimensions
Product Specification
| Model | LSM-B42 |
| Measurement Variable | ①Propane (95%~100%) ②Butane (95%~100%) ③Propane-Butane Mixture (Mixture Ratio 50/50,75/25,etc.) |
| Measurement Range | 3.5~100cm |
| Dead Zone | ≤3.5cm |
| Measurement Accuracy | ±(1+S*0.5%)cm |
| Angle Accuracy | ≥1° |
| Output Method | Bluetooth Low Energy 5.0+ |
| Working Mode | ①BBQ Mode:30-minute data collection,reports on demand ②Indoor Mode:4-hour data collection,reports on demand ③Instant Report: Press the button to report immediately |
| Power Supply | CR2032 Button Battery (3V) |
| Battery Life | ≥90 days |
| Protection Rating | IP66 |
| Dimensions | 82×60×10mm (LxWxH) |
| Housing Material | PC+ABS (VO Flame Retardant) |
| Installation Method | Built-in Magnet -No Drilling, No Adhesive |

