EM300-DI LoRaWAN® Pulse Counter


LoRaWAN® Pulse Counter
Make it Count
  • Superior Accuracy
  • Embedded with 2 Sensors
  • Data Storage, Retransmission and Retrievability
  • Versatile Applications
  • IP67 Waterproof
  • LoRaWAN® Based
  • Ultra-Low Power Consumption

EM300-DI LoRaWAN® Pulse Counter is used to remotely read metering data from water meters. It turns existing traditional water meters into smart meters via LoRaWAN® network which further enables easier management and increases the efficiency of water use.


Superior Accuracy

  • Filter out Interference Signals Automatically
  • Configure the Device as Needed to Secure the Accuracy

*Stop, Refresh, Clear and Accumulated Counting Supported


Embedded with 2 Sensors

EM300-DI LoRaWAN® Pulse Counter is embedded with temperature and humidity sensors for environmental monitoring.

Versatile Applications

  • Agricultural Irrigation
  • Industrial Water Use
  • Meter Reading

IP67 Waterproof

EM300-DI is equipped with IP67 rated enclosure which enables it to function properly even in the most demanding environments.

Long Battery Life

  • Single battery lasts 5 years
  • Dual batteries last 10 years

LoRaWAN® Based

  • Penetrating Signals: data transmission range up to 2 km in urban areas and 15km in rural areas
  • High Compatibility: compliant with standard LoRaWAN® gateways and network servers


Store Capacity with 1000 Sets of Historical Data Records

Data can be stored in the device and cannot be manually deleted, further securing the traceability of the reported information.

Support Retransmission for Reliable Communication

With support for data retransmission,the device guarantees that the web server gets all the data even if the network is down occasionally. 


    Cloud Data Management Milesight IoT Cloud

    • Data Visualization Dashboard:

      All figures in a glance

    • Automatic Triggers:

      Interactive collaboration with Milesight IoT sensors to realize scene-based automation

    • Regular Reports & Real-Time Alerts:

      Data-based insights

    • Android & iOS App:

      Manage devices at your fingertips


    Easy Configuration

    Switching on/off and configuring the device via NFC technology from mobile phone or PC

    1st Step
    Install the Milesight ToolBox


    2nd Step
    Enable NFC and run Toolbox,
    Attach your phone to the device

    3rd Step
    Verify the password and start configuring. 

    Wireless Transmission Technology LoRaWAN®
    Frequency CN470/IN865/RU864/EU868/US915/AU915/KR920/AS923-1&2&3&4
    Tx Power 16dBm(868)/20dBm(915)/19dBm(470)
    Sensitivity -137dBm @300bps
    Mode OTAA/ABP Class A
    Measurement GPIO Port 1 × GPIO Interface, Dry Contact
    Work Mode Pulse Counter, Digital Input
    Cable Length 1 m (Customizable)
    Applicable Meters Reed switches meters or any other passive pulse meters
    Temperature Range -30°C to + 70°C
    Accuracy 0°C to + 70°C (+/- 0.3°C), -30°C to 0°C (+/- 0.6°C)
    Resolution 0.1°C
    Humidity Range 0% to 100% RH
    Accuracy 10% to 90% RH (+/- 3%), below 10% and above 90% RH (+/- 5%)
    Resolution 0.5% RH
    Operation Power On & Off NFC, Power Button (Internal)
    Configuration NFC Configuration via Mobile App
    Physical Characteristics Power Supply 1 × 4000 mAh ER18505 Li-SOCL2 Battery (extendable to 2 batteries)
    Battery Life* 5 years (10 min interval + 12 pulse counts per day)
    Operating Temperature -30°C to +70°C
    Relative Humidity ≤95% (non-condensing)
    ABS + PC, White
    Ingress Protection IP67
    Dimension 105.6 × 85.2 × 27 mm (4.15 × 3.35 × 1.06 in)
    Installation Screw Mounting



    EM300-DI Datasheet
    EM300 Series User Guide