100 Series Temperature Probes
A two-wire analog temperature probe compatible with iGrow 100 series controllers.
1000 Series Temperature Probes
A three-wire analog temperature probe compatible with iGrow 1000 series controllers.
Our wind speed and direction sensor is constructed of rugged materials strong enough to withstand hurricane-force conditions, while also being sensitive enough to detect a light breeze.
Aspirated Digital Temperature and Humidity Sensor
An aspirated version of our digital temperature and humidity sensor.
A rugged and durable CO2 sensor suitable for all greenhouse applications.
Outdoor Digital Temperature and Humidity Sensor
An outdoor version of our digital temperature and humidity sensor.
Solar Light Sensor
This solar light sensor is compatible with the iGrow 100 and 1000 Series. Spectral range: 420-675nm.
For the most accurate reading of weather conditions, Link4’s full-featured Weather Station is specifically designed to work with iGrow controllers.
Indoor Digital Temperature and Humidity Sensor
The industry standard in digital temperature and humidity.