Heiman Smart Soil Moisture Sensor

The HEIMAN Smart Soil Moisture Sensor Gen2 is an intelligent Zigbee-based soil moisture sensor designed for accurate monitoring of soil moisture and temperature. Using capacitive sensing technology, it delivers especially stable and reliable readings regardless of soil type, salinity, or pH level. The second generation has been specifically optimized for improved signal stability, enhanced durability, and consistent data transmission. Ideal for houseplants, balconies, gardens, greenhouses, and raised beds, and seamlessly integrable into modern smart home systems such as Home Assistant, SmartThings, Hubitat, or Homey. With automated irrigation routines, the sensor helps save water and ensures optimal plant care.

Highlights:

• Advanced smart soil moisture sensor, 2nd generation
• Capacitive sensing technology for corrosion-free and long-lasting use
• Improved antenna design for stable Zigbee connectivity and extended range
• Reliable real-time soil moisture and temperature monitoring
• Ideal for garden, balcony, greenhouse, indoor and outdoor plants
• Supports smart home automations and intelligent irrigation systems
• Compatible with Zigbee 3.0 hubs such as Home Assistant, SmartThings, Hubitat, and Homey
• OTA firmware updates for future improvements
• Battery-powered with long battery life for low-maintenance operation

Technical Data:

• Model: Smart Soil Moisture Sensor Gen2 (3RSM0347Z)
• Wireless protocol: Zigbee 3.0
• Frequency: 2.4 GHz
• Soil moisture measurement range: 0 to 100 percent
• Temperature measurement range: -10 °C to +50 °C
• Temperature accuracy: ±1.5 °C
• Humidity accuracy: ±3 %
• Power supply: 1× AA battery 1.5 V (alkaline)
• Application area: indoor use and sheltered outdoor areas
• Requirement: Zigbee hub required (not included)

Box Contents:

• HEIMAN Smart Soil Moisture Sensor Gen2
• AA battery
• Quick start guide / user instructions