New sensor provides real-time insight into full light spectrum

Ledgnd, the brand-independent expert in light and data integration for greenhouse horticulture, is launching the integration of the newly launched Aranet light spectrum sensor into its data platform MyLedgnd during GreenTech Amsterdam. It helps growers to optimize lighting strategies based on real-time spectrum data.

Aranet, a brand of SAF Tehnika, is launching the Light Spectrum sensor at GreenTech Amsterdam 2025. The device delivers real-time spectral data across the 350 to 950 nanometer range and provides significantly broader analysis than standard PAR sensors. At the same event, Ledgnd will unveil the integration of the new Light Spectrum sensor into the MyLedgnd platform, offering growers intuitive data visualization and control capabilities. This seamless integration allows users to optimize their lighting strategies based on detailed insights into both light intensity and color spectrum.

Research has shown that each crop requires its own unique light color mix. With this sensor, growers gain insight into the actual light their crops are receiving. Using the data from the sensor and the further processing within the MyLedgnd platform, growers can fine-tune their lighting strategy. With rising energy prices and a growing drive for sustainability, more growers are switching to LED lighting.

To gain the right insights, data is essential. And to collect data, sensors are needed. Until now, most growers have relied on PAR sensors, which only measure the 400–700 nm range. The new Light Spectrum sensor, developed in close collaboration between Aranet and Ledgnd, offers significantly broader coverage (350-950 nm) and breaks down the amount of light per color in real time. Studies suggest that crops develop better when provided with a targeted light spectrum. A better mix of light results in improved crop growth, higher yields, and better quality.

The sensor takes measurements at intervals of up to every minute and sends data to the base station using long-range wireless technology. The data can be analyzed via Aranet Cloud and can also be directly used by MyLedgnd and/or the climate computer. Combined with plant feedback sensors, MyLedgnd offers a complete picture of how crops respond to light and climate conditions. Moreover, the new sensor is affordably priced, making it accessible to many more growers. Sensor battery life is up to several years, and it can be placed anywhere in the greenhouse for optimal measurements.

Anyone interested in the Light Spectrum sensor can visit the Ledgnd (02.231) or Aranet booth (01.625) during GreenTech Amsterdam from June 10 to 12 for a live demonstration. Or contact us via info@ledgnd.com or +31(0) 174 35 17 00.