Milesight EM300-DI Pulse Counter

SKU: EM300-DI-868M

Milesight EM300-DI Pulse Counter

£55.00 exc. VAT

Milesight EM300-DI Pulse Counter
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.
  • Embedded with 2 Sensors.
  • Data Storage, Retransmission and Retrievability.
  • Versatile Applications.
  • IP67 Waterproof.
  • LoRaWAN® Based.
  • Ultra-Low Power Consumption.

Milesight EM300-DI Pulse Counter

Superior Accuracy

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

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.

Milesight EM300-DI Pulse Counter


Wireless Transmission
Technology: LoRaWAN®
Frequency: EU868
Tx Power: 16dBm(868)
Sensitivity: -137dBm @300bps
Mode: OTAA/ABP Class A

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


  • 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.


  • Range: 0% to 100% RH.
  • Accuracy: 10% to 90% RH (+/- 3%), below 10% and above 90% RH (+/- 5%).
  • Resolution: 0.5% RH.

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.


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Milesight EM300-DI Pulse Counter Datasheet

Milesight EM300-DI Pulse Counter Userguide