Measure the plant — not just the greenhouse.

From root zone to canopy — precision data for every crop

Name: Sigrow Net Radiometer
Brand: Sigrow
Availability: InStock

Move from reactive climate control to proactive plant balance. Our wireless greenhouse sensors give growers continuous crop monitoring and smart root-zone management — the data you need to execute the 5 principles of Plant Empowerment.

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Smart greenhouse sensor solutions for crop monitoring

Wide range of Products!

Designed to ensure the quality of your crops.

Stomata Camera

Advanced imaging system that measures stomatal conductance using fused RGB and thermal data for precise plant analysis.

Soil Pro+

All-in-one soil and air monitoring solution for water, EC, temperature, and climate control.

Pixel

Precision plant and climate sensor designed to monitor VPD, light, and air conditions for optimal crop growth.

Soil Mini

Instant substrate data, anywhere you need it. The plug-and-play sensor for spot-checking irrigation performance across rockwool, coco, and soil.

DrainSense

Continuous drainage monitoring meets real-time weight  dynamics for total irrigation mastery.

Net Radiometer

Measures how much energy your greenhouse crop gains or loses, day and night. Steers screen timing, minimum pipe, and condensation prevention on a real number in W/m².

Sigrow Air+ microclimate sensor above an orchid crop in a greenhouse

Air+ & Air Pro+

Wireless, solar-powered air sensor measuring CO₂, temperature, humidity and PAR right between the plants. Air Pro+ adds CO₂ at ±30 ppm.

120-Day Satisfaction Policy

Try Sigrow for 120 days, risk-free. If it does not get your operation under tighter control, send the system back for a full refund of the hardware and the software subscription paid to date — no restocking fee.

We can offer this because the system works. Install it, run it for 120 days, and decide for yourself — the risk sits with us, not you.
Rutger Vreezen
Plant Scientist & Customer Success Specialist

Sigrow plant scientist reviewing greenhouse sensor data with a grower

Sigrow dashboard showing real-time greenhouse climate and crop data

We do not promise a yield percentage — your crop, substrate, team and weather are yours. We promise the system we put in your greenhouse, and the way we work alongside you to make it earn its place. Not the right fit within 120 days? Send it back, no questions, no restocking fee.

Read the 120-day promise