ESM1 5-1 Climate Sensor

ESM1 5-1 Climate Sensor

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Accurately measure temperature, humidity, CO2, VPD and light levels. Use it on its own for monitoring or connect it to Growlink Core for full control of connected devices.

Humidity sensor
Response time (τ63%)
Accuracy tolerance

1 s
±3% relative humidity
≤2% relative humidity
Temperature Sensor
CO2 Sensor
Measurement Range
Life Expectancy


0-5000 PPM
± (45 ppm+3% of reading)
15 years