EM500-SMTC-MEC20-915M - Milesight LoRaWAN AU915/AS923 Outdoor Soil Moisture, Temp and Conductivity IoT Sensor
EM500-SMTC-MEC20-915M - Milesight LoRaWAN AU915/AS923 Outdoor Soil Moisture, Temp and Conductivity IoT Sensor
Features
The Milesight IoT Environment Monitoring Sensors (EM500 Series) are LoRaWAN AU915/AS923 sensors designed for different professional applications. These sensors utilize a high ingress protection rating enclosure for use in the most challenging outdoor environmental conditions, and are powered by built-in battery for years-long use life.
The EM500-SMTC is designed for measuring soil moisture, temperature and electrical conductivity in harsh environments and transmitting data using LoRaWAN® technology. With this low power consumption technology, EM500-SMTC can work up to 10 years with its 19000 mAh battery.
Great for many applications including smart city, Smart farming / Agriculture and Greenhouse/garden monitoring.
- High precision for multiple kinds of soil
- Corrosion resistance and tough probe
- Robust IP66 rated enclosure
- Ultra-wide-distance transmission up to line of sight of 10km
- Configuration via NFC
- Compliant with standard LoRaWAN gateways and network servers
- Milesight Cloud compliant
- Low power consumption
Specifications
Technical Specifications
| Manufacturer's Code | EM500-SMTC-MEC20-915M |
|---|---|
| Frequency | AU915/AS923 |
| Tx Power | 20dBm |
| Sensitivity | -147dBm @300bps |
| Mode | OTAA/ABP Class A |
| Probe Length | 2m |
| Moisture Range | 0% ~ 100% RH |
| Accuracy/Resolution | ±2%(0~50%), ±3%(50%~100%)/0.5% |
| Temperature Range | -40°C ~ 80°C |
| Accuracy/Resolution | ±0.5°C/0.1°C |
| Conductivity Range | 0~20000 µs/cm |
| Accuracy/Resolution | ±3%(0~10000 µs/cm), ±5%(10000~20000 µs/cm) / 1 µs/cm |
| Operating Temperature | -20°C to +70°C |
| Power On/Off | NFC, power button (Internal) |
| Dimension | 105.4 × 71× 69.5 mm (Probe not included) |
| Power Input | 19000 mAh Li-SOCL2 battery (ER34615) |
| Mounting | Pole, DIN rail, wall |
| IP Rating | IP66 (Transceiver)/IP68(Soil) |
| Package Contents | Sensor/Probe, Mounting Screws, Steel Hose clamp, QSG, Warranty Card |
Not happy? Return within 7 days of delivery for a full refund or exchange. Items must be unused and in original packaging. Contact contact@kwtech.co.nz to arrange.
| Brand | Milesight |
|---|---|
| Product Type | B2B - IoT & Industrial |
| 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


