Aranet Stem Diameter Sensor Kit

Micron-Level Insight into Plant Growth and Water Balance

The Aranet Stem Diameter Sensor Kit is a wireless sensor combination that monitors micro-variations in stem diameter with resolution down to the micron level, using a 4-20 mA output. It enables growers to investigate how irrigation rates and other environmental factors are affecting water balance and overall plant growth.

Why It Matters

Stem diameter naturally fluctuates throughout the day as plants take up and lose water, and these subtle changes, including contraction amplitude and daily growth trends, can reveal a great deal about a plant’s internal water status and stress levels. Without this level of detail, irrigation and environmental adjustments are often based on visible symptoms that only appear once stress has already set in, by which point growth or yield may already be affected.

Designed for use in greenhouses, the sensor helps growers detect plant responses to changing growth factors, providing insights that support better decisions around ventilation, light screening, and irrigation scheduling. Integration with the Aranet PRO base station and Aranet Cloud allows daily growth patterns to be tracked and reviewed remotely over time.

The Aranet Stem Diameter Sensor Kit delivers the micron-level growth data needed to fine-tune irrigation and environmental management for healthier, more consistent plant development.