Milesight EM300-DI LoRaWAN Wireless Pulse Counter
Milesight EM300-DI LoRaWAN Wireless 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
Superior Accuracy
- Filter out Interference Signals Automatically
- Configure the Device as Needed to Secure the Accuracy
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.
Specifications:
| Wireless Transmission | Technology | LoRaWAN® | |
| Frequency | 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 | ||
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