ToF laser distance sensor (with GNSS)
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Product code: EM400-TLD-N03GL
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Milesight EM400-TLD-N03GL is a laser distance and fill-level sensor using ToF (Time of Flight) and communication NB-IoT / LTE Cat M1. Measurement range 2–350 cm, ±2 cm accuracy and 1 mm resolution enable precise monitoring of fill levels in small and medium containers, even at a short distance from the measured surface.
The device features a built-in 3-axis accelerometer for position monitoring, an NTC temperature sensor enabling detection of elevated temperature, and GNSS for device location. The IP67 enclosure, two replaceable 9000 mAh ER26500 batteries, NFC configuration, and direct cellular transmission enable autonomous Smart Waste systems without a LoRaWAN gateway.
Shipping costs are not included in the price.
Shipping costs are not included in the price.
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EM400-TLD — Precise ToF Measurement from 2 cm to 3,5 m
Milesight EM400-TLD-N03GL is a compact distance and fill-level sensor using ToF technology and direct NB-IoT / LTE Cat M1 communication.
A measurement range starting at just 2 cm means the EM400-TLD virtually eliminates the problem of a large blind zone and is particularly suitable for small bins, containers, and other confined spaces.
In addition to distance measurement, the device monitors its own position and temperature and — in the N03GL version — can report GNSS location.
Short Blind Zone, Precise ToF and Cellular Connectivity
2–350 cm
Measurement starts just 2 cm from the sensor, making the sensor suitable for small containers and confined spaces.
±2 cm
ToF technology provides ±2 cm accuracy and 1 mm measurement resolution.
NB-IoT / LTE-M
Direct communication through the operator network eliminates the need to install a LoRaWAN gateway.
Fill-Level Monitoring and Smart Waste Infrastructure
Laser Time of Flight Measurement
The EM400-TLD uses Time of Flight technology to determine the distance to the measured object.
The sensor analyses the return time of the emitted light signal, enabling stable measurement even very close to the sensor.
2–350 cm Range and 27° Field of View
Dedicated Fill-Level Monitoring Mode
The EM400-TLD has two manufacturer-prepared operating modes: Standard Mode and Bin Mode.
Standard Mode is used for typical distance measurement, while Bin Mode is designed for monitoring the fill level of waste containers.
3-Axis Accelerometer for Lid and Tilt Monitoring
The built-in 3-axis accelerometer detects changes in device orientation and reports Normal / Tilt status.
When the sensor is mounted on a container lid, position-change data can be used to monitor lid opening or changes in lid position.
Built-in NTC for Detecting Elevated Temperature
The EM400-TLD features an internal NTC temperature sensor with a range from −40 to +125°C.
In Smart Waste applications, temperature can be used to detect a dangerous temperature increase inside the container and quickly generate an alarm.
Device Location in Distributed Infrastructure
The NB-IoT / Cat M version has a GNSS module enabling device location reporting.
The function can simplify inventory, location, and monitoring of containers and other devices operating in the field.
NB-IoT Cat NB2 and LTE Cat M1
The EM400-TLD-N03GL communicates through the cellular operator's infrastructure and does not require a local LoRaWAN gateway.
The device uses a Micro SIM card and supports both NB-IoT Cat NB2 and LTE Cat M1.
TCP, UDP, MQTT and AWS
Cumulative Report for the NB-IoT Version
The N03GL version supports the Cumulative Report function.
It allows measurements to be collected and multiple packets to be sent within a single report, reducing transmission frequency and power consumption.
Threshold Alarm and Position Monitoring
Threshold Alarm
The device can generate an event when the configured value is exceeded.
Tilt Status
The accelerometer enables detection of changes in device orientation.
Tilt & Distance Switch
The function combines device position information with distance measurement.
Two Replaceable 9000 mAh ER26500 Batteries
The EM400-TLD uses two replaceable Li-SOCl₂ ER26500 batteries with a capacity of 9000 mAh each.
For the NB-IoT / Cat M version, Milesight declares approximately 10 years of operation with TCP/UDP and approximately 5 years with MQTT/AWS under specified test conditions.
* Manufacturer test conditions: 4 reports per day, each report contains 12 packets with a 30-minute collection interval, temperature 25°C. The SIM card must support PSM. Actual battery life also depends on cellular network conditions.
NFC, Mobile App and Downlink
The EM400-TLD can be activated and configured using an NFC-enabled smartphone.
The device also supports configuration via downlink. Inside the enclosure there is a Power / Reset button and an LED indicator.
IP67 and Additional Electronics Protection
IP67
The enclosure protects the device against dust and water.
Damp-proof coating
The electronics have an additional coating that reduces the impact of moisture.
−30…+70°C
The wide temperature range enables operation in many outdoor applications.
Key Parameters of the EM400-TLD-N03GL
* Declared battery life values are manufacturer laboratory values. For the cellular version, the SIM card must support PSM, and actual battery life also depends on operator network signal quality.
EM400-TLD-N03GL in a Smart Waste System
Fill-level, temperature, position, and device location data can be transmitted directly via the cellular network.
ToF laser distance sensor (with GNSS)
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Gross price $270.60incl. %s VATNet price $220.00without 23% VAT
