Milesight LoRaWAN AS923/AU915 Pulse Counter with Temp/Humidity
Features
The Milesight EM300-DI is a compact LoRaWAN IoT pulse counter which transforms traditional water meters into wireless intelligent meters. With an IP67 waterproof design, it is applicable in various harsh application environments. In addition to LoRaWAN® technology and low power consumption, it has a built-in high-capacity battery available for several years without replacement. Also, the EM300-DI is compatible with both Milesight LoRaWAN® gateway and Milesight IoT Cloud to achieve remote monitoring and visualized smart data management to achieve the purpose of saving water. It is suitable for both indoor and outdoor applications such as agricultural irrigation, industrial water use, property meter reading and numerous scenarios
Perfect for smart buildings, smart city deployments or industrial use-cases.
- Flexible counting configuration to enable, stop, clear accumulated values
- Support digital filtering that filters interference signals to ensure more accurate counters
- Embedded with temperature and humidity sensors for environment monitoring
- IP67 waterproof enclosure for harsh environment applications
- Ultra-wide-distance transmission up to line of sight of 10km
- Store more than 2200 historical records and support retransmission to prevent data loss
- A built-in 4000 mAh replaceable battery and works for 5 years without replacement
- Equipped with NFC for easily configuration
- Compliant with standard LoRaWAN® gateways and network servers
Specifications
Technical Specifications
| Frequency | AU915/AS923 |
|---|---|
| Tx Power | 20dBm |
| Sensitivity | -137dBm @300bps |
| Mode | OTAA/ABP Class A |
| 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 |
| Power On & Off | NFC, Power Button (Internal) |
| Configuration | NFC Configuration via Mobile App |
| 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) |
| Material & Color | ABS + PC, White |
| Ingress Protection | IP67 |
| Dimension | 105.6 x 85.2 x 27 mm |
| Package Contents | EM300-DI sensor, Warranty card, Screw pack, QSG |
| Brand | Milesight |
|---|---|
| Product Type | Computers & Tablets > Industrial PCs & IoT > IoT Gateways |
| Weight | 0.5 kg |
Shipping Information
- Free NZ-wide shipping on orders over $299
- Standard delivery 2–5 business days
- Rural delivery may take an additional 1–2 days
- Same-day dispatch for orders placed before 2pm (weekdays)
Returns Policy
- 7-day returns on unused items in original packaging
- Faulty or damaged products covered under warranty
- Contact our support team to initiate a return







