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EM300-DI
LoRaWAN® Pulse Counter

The EM300-DI LoRaWAN® Pulse Counter, powered by LoRaWAN® technology, wirelessly transmits pulse data from devices like water, gas, and electricity meters to a management platform for remote monitoring and data visualization. It is ideal for applications in irrigation, industrial water usage, and property metering, improving resource efficiency and reducing costs.

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lorawan pulse counter

Multi-Meter LoRaWAN® Pulse Counter for Water, Gas,
and More

The EM300-DI LoRaWAN® Pulse Counter transforms traditional meters like water, gas, and electricity meters by converting their pulse signals into accurate consumption data. It supports various pulse signal types, including dry contact, reed switch, and open collector, ensuring compatibility with different meter types. This device enables the wireless transmission of data via LoRaWAN® for remote monitoring, upgrading traditional metering systems to modern, efficient resource management solutions.

Reliable LoRaWAN® Pulse Counter for Accurate &
Long-Range Metering

Superior Meter Pulse Counter Accuracy

In real-world applications, pulse signals from water, gas, or electricity meters are easily affected by electrical noise from nearby equipment, which can cause counting errors or data loss. The EM300-DI Pulse Counter automatically filters out interference signals shorter than 250 μs and allows user configuration to further enhance accuracy, ensuring reliable and precise pulse measurements.

*Stop, Refresh, Clear and Accumulated Counting Supported

LoRaWAN® Based Wireless Pulse Counter Performance

Powered by LoRaWAN® technology, the wireless pulse counter delivers reliable long-range communication with ultra-low power consumption. It enables flexible wireless deployment across wide-area sites, reducing cabling costs while maintaining stable data transmission for remote metering and monitoring applications.

  • *Frequency: CN470/IN865/RU864/EU868/US915/AU915/KR920/AS923-1&2&3&4
  • *Penetrating Signals: data transmission range up to 2 km in urban areas and 15 km in rural areas
  • *High Compatibility: compliant with standard LoRaWAN® gateways and network servers

Up to 10-year Long Battery Life

With an ultra-low-power design, the device ensures reliable long-term operation, supporting up to 5 years with a single battery and up to 10 years with dual batteries.

superior current monitoringaccuracy
lorawan long distance transmission
long battery life

Reliable by Design: Rugged Hardware, Secure Storage,
and Simple Deployment

Compact Design

Strong Data Capacity

Smart Alerts & Control

Easy Deployment

Embedded with 2 Sensors: Tem. & Humi.

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

Robust IP67 Waterproof Performance

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

embedded temperature and humidity sensor
ip67 rated waterproof performance

Store Capacity with 1,000 Sets of Historical Data Records

Data is securely stored on the device and cannot be manually deleted, ensuring full traceability of all reported information. This tamper-resistant storage supports audit trail requirements for ESG reporting and green building certifications, including LEED and BREEAM.

Data Retransmission and Retrievability for Reliable Communication

With support for data retransmission and retrievability, the meter pulse counter guarantees that the web server gets all the data even if the network is down occasionally.

strong store capacity
data retransmission and retrievability for reliable communication

Smart Alerts & Usage Billing

The pulse counter enables alerts for water leakage, continuous water flow, and abnormal temperature thresholds, while tracking water consumption to support basic usage-based billing and more efficient water management.

Unique Milesight D2D Communication

Milesight D2D (Device to Device) communication protocol featuring LoRa® enables communication among different Milesight LoRaWAN® node devices without a LoRaWAN® gateway.

  • Lower Latency
  • Secure Transmission
  • Reduce Investment Cost
smart alerts and usage billing
unique milesight d2d communication

Flexible Counter Configuration

Configure the current counter value, stop counting, clear the count, or refresh the count through Toolbox to instantly read the current value from the counter.

Easy NFC Configuration

Quick and effortless setup via NFC. Simply tap your smartphone to configure the device. No complex steps or tools required, significantly reducing deployment time.

flexible lorawan pulse counter configuration
easy nfc configuration

Device-to-Platform Integration for Robust Meter Management

With broad LNS compatibility with LoRaWAN® gateways and seamless integration with Milesight IoT Cloud and Milesight Development Platform, the device enables quick deployment, easy management, and flexible adaptation to diverse IoT applications.

Talk to Us for Detailed Integration
milesight development performance

Device Management: Milesight Development Platform

Provides enterprise-grade IoT device management and deployment, enabling efficient large-scale IoT implementations.

  • Plug-and-play device setup for internet-enabled devices
  • Bulk device configuration
  • Over-the-air updates
  • Remote access and device sharing
  • Open API and Webhooks for external integrations and
    data exchange

Platform Integration:
LoRaWAN® Gateway Integration

The device is compliant with standard LoRaWAN® gateways and network servers...

lorawan gateway integration

Versatile Applications of LoRaWAN® Pulse Counter for Smart Metering

Explore the Alarm Application in Italian Hotel > Explore the Smart Metering Retrofit in Australia Warehouse > Explore More Pulse Meter Applications

Smart Irrigation

Industrial Water Management

Municipal Utilities

Smart Buildings

EM300-DI monitors water usage and environmental conditions, such as temperature and humidity, across multiple fields or irrigation lines. Zone-based measurement ensures efficient water allocation and supports data-driven irrigation decisions.

Minimizes water waste through precision allocation

Reduces operational overhead via automated monitoring

Improved crop health and yield

smart irrigation

In industrial environments, high water consumption, leakage risks, and uneven usage make accurate monitoring critical. The pulse counting sensor addresses these challenges by providing reliable pulse counting and real-time data, helping managers control costs and prevent water loss.

Reduced water-related expenses

Early detection of leaks and abnormal usage

Improved operational efficiency

industrial water management

By retrofitting existing meters with EM300-DI LoRaWAN® pulse counter, municipalities can transition to wireless remote reading, significantly reducing manual labor and operational costs while maintaining reliable consumption data.

Reduced cost and effort of manual meter reading

Cost-effective upgrade without replacing all meters

Consistent, accurate data for city-wide water management

municipal utilities

EM300-DI supports accurate water data collection for tenant billing and ESG reporting, providing tamper-resistant, traceable records required for green building certifications such as LEED and BREEAM.

Precise tenant billing and usage tracking

Reliable ESG and regulatory reporting

Supports green building compliance and sustainability goals

smart buildings

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FAQs on LoRaWAN® Pulse Counter

Q: How does EM300-DI support ESG compliance and green building certification?

EM300-DI collects accurate water consumption data from pulse-output meters and transmits it in real time via LoRaWAN®. With local data storage and tamper-resistant records, it helps building operators build reliable data sources for ESG reporting and green building certifications such as LEED and BREEAM.

Q: What is a meter pulse counter and how does EM300-DI work with it?

A meter pulse counter is used to collect pulse signals from water, gas, or electricity meters and convert them into readable consumption data. EM300-DI connects to pulse-output meters, counts pulses accurately, and transmits the data wirelessly via LoRaWAN®, enabling remote meter reading and efficient utility monitoring.

Q: What is a wireless pulse counter and why is it important?

A wireless pulse counter collects pulse signals from meters and transmits usage data remotely without additional wiring. For large-scale or hard-to-access sites, EM300-DI helps reduce installation costs, simplify deployment, and turn traditional meters into connected IoT devices for remote monitoring and smarter utility management.

Q: How to choose the right LoRaWAN® pulse counting sensor for your metering project?

The right choice depends on the number of meters, installation space, budget, and whether extra control functions are required. For simple single-meter pulse counting, a compact single-channel pulse counter such as EM300-DI is a practical choice. For applications that need to connect two meters or integrate additional sensors, valves, or control devices, a multi-interface controller such as UC50X / UC51X may be more suitable.

Choose single-channel pulse counters for: one meter, compact installation, lower device cost, and dedicated pulse counting. For example, EM300-DI features a small size, cost-effective design, and one dedicated pulse input.

Choose dual-channel or multi-interface controllers for: two meters, expanded I/O needs, sensor integration, or valve control. For example, UC50X/UC51X supports two water meters, multiple interfaces, and extended monitoring or control scenarios.

Q: How to choose between pulse-output meter retrofit, smart meter replacement, and optical meter reading?

The best metering method depends on the existing meter type, retrofit cost, installation conditions, and data requirements. For sites with meters that already support pulse output, a LoRaWAN® pulse counter such as EM300-DI is a cost-effective way to enable remote meter reading without replacing the whole meter. For meters without pulse output or where non-invasive reading is preferred, an optical reading device such as X1 Camera can capture meter readings without modifying the meter.

Specifications

Wireless Transmission
TechnologyLoRaWAN®, Milesight D2D
AntennaInternal Antenna
FrequencyCN470/IN865/RU864/EU868/US915/AU915/KR920/AS923-1&2&3&4
Tx Power16dBm(868 MHz)/20dBm(915 MHz)/19dBm(470 MHz)
Sensitivity-137dBm @300bps
ModeOTAA/ABP Class A
Measurement
GPIO
Port1 × GPIO Interface, Dry Contact
Work ModePulse Counter, Digital Input
Input Frequency≤ 2000 Hz
Minimum Pulse Width250 μs
Cable Length1 m (Customizable)
Wire Connection3.5mm
Applicable MetersReed switches meters or any other passive pulse meters
Temperature
Range-30°C to + 70°C
Accuracy0°C to + 70°C (+/- 0.3°C), -30°C to 0°C (+/- 0.6°C)
Resolution0.1°C
Humidity
Range0% RH to 100% RH
Accuracy10% to 90% RH (+/- 3%), below 10% and above 90% RH (+/- 5%)
Resolution0.5% RH
Others
LED1 × LED Indicator (Internal)
Button1 × Power/Reset Button (Internal)
Software
Power On & OffNFC, Power Button (Internal)
ConfigurationNFC via Mobile App, Downlink
Advanced FeatureMilesight D2D Controller, Data Storage (1,000 entries), Data Retransmission, Data Retrievability, Temperature Threshold Alarms, Water Flow/Outage Alarms
Physical Characteristics
Power Supply1 × 4000 mAh ER18505 Li-SOCL2 Battery (8000 mAh Version Optional)
Battery Life*5 years (10 min interval, 25°C)
Operating Temperature-30°C to +70°C
Relative Humidity≤95% (non-condensing)
Material & ColorABS + PC(Flame Retardant), White
Weight114.2g (With 1 battery and wire)
Ingress ProtectionIP67
Dimension105.6 × 85.2 × 27 mm (4.15 × 3.35 × 1.06 in)
InstallationWall Screw Mounting, 3M Tape Mounting, Cable-Tie Mounting
Approvals
RegulatoryCE, FCC, ISED, RCM, Telec
EnvironmentalRoHS

* Tested under laboratory conditions and for guideline purposes only.

Documents

EM300-DI Datasheet EM300-DI User Guide Payload Decoder

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