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Product Code: SNSR-090
MPN #: EM400-TLD-868M
Keeping track of the level of a tank, bin or silo can be hard when the site is far away or hard to reach. If you cannot see the inside, you risk overflow, dry-run or wasted space. Traditional wired sensors need cables, power and regular maintenance, which adds cost and downtime. The Milesight EM400-TLD LoRaWAN ToF Laser Distance Sensor solves this by giving you accurate distance readings, wireless data and a battery that lasts years, so you can monitor remotely without hassle.
Say goodbye to blind spots in your industrial sites. The EM400-TLD is a compact laser sensor that measures distance from 2 to 350 cm with 2 cm accuracy. It talks over LoRaWAN, so the data travels up to 15 km without any cables. You can mount it on a wall or a lid and let it run on two long-life batteries for up to ten years. If you need to know the level of a waste bin, the height of a water tank or whether a container has been tipped, this device gives you the numbers you need, instantly and reliably.
Note: This product is compatible with UK, Europe, and other EU868-supported countries. Not compatible with USA/Canada (US915), Australia (AU915), or other LoRaWAN frequency regions.
| Manufacturer | Milesight IoT |
| Model | EM400-TLD-868M |
| Product Type | LoRaWAN® ToF Laser Distance / Level Sensor |
| Wireless Transmission | |
| Technology | LoRaWAN®, Milesight D2D |
| Frequency | EU868 MHz |
| Tx Power | 16 dBm (868 MHz) |
| Sensitivity | -137 dBm @ 300 bps |
| Mode | OTAA / ABP Class A |
| Measurement (ToF Sensor) | |
| Detection Technology | Time-of-Flight (ToF) laser |
| Detection Range | 2 ~ 350 cm |
| Accuracy | ±2 cm |
| Resolution | 1 mm |
| Field of View | 27° |
| Temperature Sensor | -40 °C ~ 125 °C (NTC) |
| Tilt Detection | 3-axis accelerometer (Normal / Tilt) |
| Physical Characteristics | |
| Power Supply | 2 × 9000 mAh ER26500 Li-SOCl₂ batteries |
| Battery Life | Up to 10 years (typical 10 min interval) |
| Operating Temperature | -30 °C ~ 70 °C |
| Relative Humidity | ≤95% (non-condensing) |
| Ingress Protection | IP67 |
| Housing | ABS + PC (flame-retardant) |
| Dimensions | 118 × 65 × 30 mm |
| Installation | Surface mounting (screws) |
| Features | |
| Configuration | NFC / Mobile App |
| Data Functions | Level monitoring, lid/tilt detection, temperature alarm |
| Connectivity Range | Up to 15 km (line of sight) |
| Approvals | |
| Regulatory | CE, FCC, ISED, ICASA, Telec |
| Environmental | RoHS |
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