Growlink ClimaLink – Aspirated Climate Sensor with VPD (and optional CO2)
Growlink ClimaLink – Aspirated Climate Sensor with VPD (and optional CO2)
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Temperature: –40 to 125 °C, ±0.1 °C
Humidity: 0-100% RH, ±1%
CO2 (CO2 version): 0-5,000 ppm, ±3%
Dimensions: 23.5 x 11.1 x 9.5 cm
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Description
- 🔧 Accurate readings: Aspirated design that prevents dead zones and misleading microclimates.
- 🔧 Complete overview: Temperature, humidity, lighting, VPD, and optional CO2 in a single sensor.
- 🔧 Full integration: Logging, alerts, and automation within the Growlink ecosystem.
- 🔧 CO2 control: Up to 5,000 ppm with ±3% accuracy (CO2 version).
Accurately measure the actual climate in your grow room and automate your climate control rules.
Full description
Growlink ClimaLink – Aspirated Climate Sensor with VPD (and optional CO₂)
The Growlink ClimaLINK is an advanced climate sensor designed to obtain accurate, real-time data from the growing environment. It integrates temperature, humidity, and light measurements with automatic VPD calculation, with the option to include CO₂ measurement (CO₂ version). Its aspirated design ensures accurate canopy readings, while its integration with the Growlink ecosystem allows you to automate climate control with confidence.
Benefits
- Accurate and consistent readings. Aspirated design that ensures a constant airflow over the sensors, preventing dead zones or misleading microclimates.
- Complete view of the environment. Combines temperature, humidity, lighting, VPD, and an optional CO₂ measurement to control growth with key parameters integrated.
- Seamless integration with Growlink LINKS, facilitating logging, alerts, and climate automation within your growing infrastructure.
- Robust construction with dust and moisture protection filters to ensure stability and longevity.
- CO₂ monitoring (optional version), monitors carbon dioxide concentration up to 5,000 ppm with ±3% accuracy, essential for optimizing photosynthesis in high-yield crops.
Technical specifications
- Temperature range: –40 to 125 °C, ±0.1 °C accuracy
- Humidity range: 0-100% RH, ±1% accuracy
- CO₂ (CO₂ version): 0-5,000 ppm, ±3% accuracy (0-50 °C)
- Integrated automatic VPD calculation (vapor pressure deficit)
- Aspirated (active) design for constant airflow over the sensors
- Dimensions: 23.5 x 11.1 x 9.5 cm
- Includes: 5 m M8 cable for connection to the control system
How to use
- Placement. Place the sensor at canopy height, or near the area where you want to measure the actual microclimate.
- Connection. Connect the ClimaLINK to the controller (or HUB) using the included M8 cable.
- Automatic detection. Once connected and with updated firmware, the sensor is automatically detected by the Growlink system.
- Use in Growlink OS. Assign the sensor, view real-time data, and define alerts and climate rules.
- Maintenance. Occasional cleaning of the external filter to prevent dust buildup.
Warranty
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Every item goes through a check before shipping to make sure it arrives in perfect condition and ready to use.
Your satisfaction is our priority.
How to use
1. Place the sensor at canopy height or near the area to be measured.
2. Connect the ClimaLink to the controller or HUB using the included M8 cable.
3. Wait for automatic detection by the Growlink system (updated firmware).
4. In Growlink OS, assign the sensor and view real-time data.
5. Set alerts and climate rules and periodically clean the external filter.

Growlink ClimaLink – Aspirated Climate Sensor with VPD (and optional CO2)
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Frequently asked questions
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The ClimaLINK logs temperature, humidity and light, and automatically calculates the VPD of your room. If you choose the with CO₂ version, it also adds a carbon dioxide reading from 0 to 5,000 ppm with ±3% accuracy. That gives you the key climate parameters at a single point, so you can make the right climate control decisions.
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The aspirated design keeps a constant airflow over the measuring elements. That way you avoid dead spots and misleading microclimates around the sensor, and you get readings that truly represent what is happening at canopy level. It is the difference between automating with reliable data and automating with values distorted by stagnant air.
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Place it at canopy height or in the area whose real microclimate you want to control. Then connect it to the controller or to the HUB using the 5-metre M8 cable included. You need nothing else to start receiving data.
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No. With updated firmware, the Growlink system detects the sensor automatically as soon as you plug it in. In Growlink OS you simply assign it, view the data in real time and set your alerts and climate rules.
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Very little: an occasional cleaning of the external filter so dust does not build up. The build is robust and the filters protect the sensors from dust and moisture, so the readings stay stable cycle after cycle.
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If you work with carbon enrichment or you are after high yields, yes: that version monitors CO₂ concentration up to 5,000 ppm with ±3% accuracy, essential data for optimising photosynthesis. If you are not going to inject CO₂, the standard version already gives you temperature, humidity, light and VPD.