EM400-UDL Ultrasonic Distance Sensor

Non-Contact Distance
Measurement

Leveraging ultrasonic distance detection, EM400-UDL ensures a stable and reliable performance while detecting different solid or liquid mediums. Featuring non-contact distance measurement, the probe of EM400-UDL will remain unaffected or contaminated by the medium detected, and deliver highly accurate measurement.

Great Flexibility with
Multiple Versions

EM400-UDL comes in three versions Standard, Pro and Snow Level versions with different probes optional. With 5 probes at choice, EM400-UDL provides great flexibility to satisfy various demands for professional applications.

Rugged and Reliable IP67
Rated Enclosure

IP67 rated enclosure ensures EM400-UDL is protected against dust, water, and other environmental hazards, enabling it to withstand harsh environment.

EM400-UDL also features a conformal coating on its PCBA, which provides an extra layer of protection against moisture, dust, and other contaminants that can damage electronic components.

These two features extend the lifespan of the EM400-UDL and ensure that it continues to function reliably in harsh conditions.

NFC Configuration

Switching On/Off & Configuring the Devices Wirelessly

1^st Step

Install the
Milesight ToolBox

2^nd Step

Enable NFC and run ToolBox,
then attach your phone to the device

3^rd Step

Verify the password
and start configuring

•  Selective probes vary from 25 to 1000 cm for multiple applications
•  Equipped with NTC temperature sensor for the detection and alarm of burning
•  Built-in 3-axis accelerometer sensor to monitor device tilt status
•  Damp-proof coating inside and IP67 waterproof enclosure for outdoor applications
•  Built-in two 9000 mAh replaceable batteries and work for 10 years without replacement
•  Ultra-wide-distance wireless transmission up to line of sight of 15 km
•  Equipped with NFC for one touch configuration, support card emulation mode
•  Function well with standard LoRaWAN® gateways and network servers
•  Compatible with Milesight IoT Cloud

Measurement

Distance

Range
Standard Version= C050: 25 ~ 500 cm C100: 25 ~ 1000 cm
Pro Version= W050: 30 ~ 500 cm W100: 50 ~ 1000 cm
Snow Version= S050: 50 ~ 500 cm
Accuracy
Standard Version= ± (1+0.3%*S) cm1, S=distance
Pro Version= ±1% FS
Snow Version= ±1% FS
Resolution 1 mm

Device Position

Status Normal/Tilt

Temperature

Range -40 ~ 125°C
Resolution 0.1°C

Wireless Transmission

Technology LoRaWAN®
Frequency CN470/IN865/RU864/EU868/US915/AU915/KR920/AS923-1&2&3&4
Tx Power 16 dBm (868 MHz)/20 dBm (915MHz)/19 dBm (470MHz)
Sensitivity -137dBm @300bps
Mode OTAA/ABP Class A

Operation

Power On & Off NFC, Power Button (Internal)
Configuration Mobile App (via NFC)

Physical Characteristics

Power Supply 2 x 9000 mAh ER26500 Li-SOCL2 Batteries
Battery Life2 > 10 years
Operating Temperature – 30°C ~ 70°C
Relative Humidity ≤95% (non-condensing)
Ingress Protection IP67
Dimension 118 × 65 × 80 mm
Material ABS + PC (Flame Retardant)
Color Black gray (C050/C100), Gray (W050/W100/S050)
Installation On the Flat Surfaces with Screws

1. This accuracy is applicable to the measuring range of 25~800cm.
2. Tested under laboratory conditions and for guideline purposes only.