Stop guessing and start growing with unbeatable accuracy. Important: Make sure to update your Precision Irrigaation Controller first to use it with the ESM3 Sensor. Update Instructions The ESM3 climate sensor is designed for Growlink controllers that support SDI-12. This sensor includes air temperature, humidity, VPD and photocell with optional CO2. Designed to be hooked up to the Precision Irrigation and Connect Controllers. Support for multiple sensors gives you the ability to be averaged or used as separate sensors. Professional growers can rely on this sensor for accurate data and confidence in their growing environment. Wiring Guide Black = 12v Brown = Signal Blue = Ground The ESM3 works with The Modular 3 in 1 Probe for Humidity, Temperature and VPD from Growlink is a highly versatile sensor that provides accurate and reliable measurements of environmental conditions. Add up to 4 climate sensors on a PIC controller. Package Contents 1 x Climalink Sensor1 x 3m M8 Cable Features RH, T, VPD, Photocell, optional CO2 Temp and pressure compensation with on-board sensors Low power consumption Excellent long-term stability High insensitivity to pollution User configurable and adjustable Specs CO₂0…5000 ppmAccuracy CO₂ - * mv – measured value± (50 ppm + 2 % mv*)± (50 ppm + 3 % mv*)± (100 ppm + 5 % mv*)± (1.5 % from full scale + 2 % mv*)± (1.5 % from full scale + 2 % mv*) Relative Humidity0…100% RH (non condensing)Accuracy Relative Humidity at 25 °C (77 °C) and 20...80% RHtyp. ± 3 % RHTemperature-40…60 °C (-40...140 °F)Accuracy Temperature at 5…60 °C (41…140 °F)typ. ± 0.5 °C (± 0.9 °F) Output digitalSDI-12
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