Milesight EM500-SMTC LoRaWAN® Soil Moisture, Temperature & Electrical Conductivity Sensor (EU868)

Milesight EM500-SMTC LoRaWAN® Soil Moisture, Temperature & Electrical Conductivity Sensor (EU868)

• Measurement of Soil Temperature, Moisture & Electrical Conductivity
• Seamless Integration with Smart Irrigation Systems
• IP67 Rated Transceiver for Harsh Environment
• IP68 Rated Corrosion Resistance Probe
• Data Integrity and Easy Management
• Long-Lasting Battery Life of up to 10 Years
• Easy Configuration via NFC

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Product Description

The Milesight EM500-SMTC is a sophisticated sensor designed for accurately measuring soil moisture, temperature, and electrical conductivity. This device is a critical tool for optimizing agricultural practices by providing valuable sensing insights. Its robust design ensures reliable performance even in the most demanding environments, featuring shock and vibration resistance, an IP67 rated transceiver, and an IP68 corrosion resistance probe. The EM500-SMTC is particularly adept at operating in highly corrosive soils, making it ideal for smart agriculture, smart horticulture, irrigation control, greenhouse control, and golf course maintenance applications.

Product Features

  • High Precision Measurements: Capable of delivering precise data for soil moisture, temperature, and electrical conductivity.
  • Ultra-Wide-Distance Transmission: Offers data transmission ranges up to 2 km in urban areas and 15 km in rural areas.
  • IP67 and IP68 Rated Enclosures: Ensures durability in harsh environmental conditions.
  • Long-Lasting Battery: Equipped with high-capacity, easily-replaceable batteries, supporting up to 10 years of operation.
  • NFC Configuration: Allows for easy wireless configuration and device management.
  • LoRaWAN® Based Technology: Ensures compatibility with standard LoRaWAN® gateways and network servers.
  • Data Storage Capacity: Can store 1,000 sets of historical data records, enhancing data traceability.
  • Support for Data Retransmission: Guarantees reliable communication, even with occasional network downtimes.
  • Cloud Data Management: Facilitated through the Milesight IoT Cloud, offering a data visualization dashboard, automatic triggers, regular reports, and real-time alerts.
  • Applications: Ideal for various applications including smart irrigation, greenhouse control, smart agriculture, and smart horticulture​​.

The EM500-SMTC is a versatile and reliable solution for comprehensive soil condition monitoring and management, suited for a wide range of outdoor applications.

Product Downloads

Wireless Transmission
Technology LoRaWAN®
Frequency EU868
Tx Power 16dBm (868 MHz)
Sensitivity -137dBm @300bps
Work Mode OTAA/ABP Class A
Range 0% ~ 100% RH
Accuracy ±2%(0~50%), ±3%(50%~100%)
Resolution 0.01%
Range -40°C ~ 80°C
Accuracy ±0.5°C
Resolution 0.1°C
Range 0~20000 µs/cm
Accuracy ±3%(0~10000 µs/cm), ±5%(10000~20000 µs/cm)
Resolution 1 µs/cm
Power On & Off NFC, Power Button (Internal)
Configuration Mobile App(via NFC) or PC software(via USB Type-C)
Physical Characteristics
Cable Length 2 m
Power Supply 19000 mAh Li-SOCL2 battery (ER34615)
Battery Life 10 years (10 min interval)
Ingress Protection IP67 (Transceiver)
IP68(Soil sensor)
Operating Temperature -30°C to 70°C
Dimensions Transceiver: 105.4 × 71 × 69.5 mm (4.1 × 2.8 × 2.7 in)
Soil Sensor: 88 × 68 × 26 mm (3.5 × 2.7 × 1.0 in)
(Probe length: 50mm/1.97 in)
Installation Pole, Wall or DIN Rail
Regulatory CE, FCC, RoHS

Shipping Policy

We provide worldwide shipping using reliable tracked
shipping services.

Local Shipments within Cyprus

Shipments in Cyprus are performed usually with ACS Courrier
or AKIS Express. In some cases, we might deliver the products ourselves. A pick-up
option from our locations is also available.

International Shipments

International shipments are performed using Express Airway
Shipping Services. We are currently shipping orders with TNT Express and FedEX.
As soon as your shipment is dispatched you will receive the shipment confirmation
including the shipment tracking number which you can use to track your order
from the shipment provider website.

We dispatch orders within 1-3 workdays after the day of the
order placement. 

General Return Policy

We have a 30-day return policy, which means you have 30 days
after receiving your item to request a return.

To be eligible for a return, your item must be in the same
condition that you received it, unworn or unused, with tags, and in its
original packaging. You’ll also need the receipt or proof of purchase.

To start a return, you can contact us at If
your return is accepted, we’ll send you a return shipping label, as well as
instructions on how and where to send your package. Items sent back to us
without first requesting a return will not be accepted.

For any further information, help and support regarding the
shipping and/or return process you can contact us at:

  • Email:
  • Telephone: +357 22 282828