Growlink ClimaLINK Grow Room Climate Sensor

Measure the Climate Where the Plants Actually Live

ClimaLINK is Growlink’s canopy-level climate sensor, giving real-time temperature, humidity, light and optional CO₂ readings from the height that actually affects plant performance. It calculates VPD automatically, and its aspirated design circulates air across the sensing element so readings reflect the room rather than a pocket of stale air. Data feeds straight into Growlink OS for automation, alerts and tracking. Note that ClimaLINK is not standalone – it must connect to a CanopyLINK 8-Port Sensor Hub to transmit.

Key Benefits

• Temperature from -40 to 125°C to an accuracy of ±0.1°C
• Humidity across the full 0 to 100% RH range at ±1.0% accuracy
• Optional CO₂ measurement from 0 to 5,000 ppm at ±3% accuracy
• Automatic VPD calculation, so you steer transpiration directly
• Aspirated sensor design for consistent, repeatable readings
• Protective dust and moisture filters for a working grow room
• 5m M8 cable supplied, so the sensor sits at canopy height with the hub elsewhere

Inconsistent Data, Inconsistent Results

A cheap hygrometer clipped to a tent pole tells you about the tent pole. Real canopy conditions sit several degrees and several points of RH away, which is why rooms that look fine on paper still throw humidity spikes, poor airflow at leaf level, and the slow growth and airy buds that follow. Measuring at the canopy lets automation respond to the conditions plants are actually in.

How to Use

• Connect to a CanopyLINK 8-Port Sensor Hub first – ClimaLINK will not report without one
• Mount at canopy height within the crop, away from direct fan blast and clear of the light housing
• Run the 5m M8 cable back to the hub, keeping it clear of mains cabling
• Set VPD targets by stage in Growlink OS – lower in propagation and early veg, rising through flower
• Build alerts and automations on temperature, RH and CO₂ so extraction, dehumidification and dosing respond before conditions drift