Sensors & Calibration

2.77 EC conductivity standard calibration solution. Use as a reference or checking solution to ensure you have an adequately cleaned EC/ppm probe. ...

What's Included: (1) pH 4.0 calibration solution, 8 oz. (1) pH 7.0 calibration solution, 8 oz.  Details: A pair of essential solutions for ca...

SXL Optical Liquid Level, Flow & Leak Sensor / Industrial 5-24Vdc/1A / SXL-2 DRY-ON Greenery S only uses DRY ON sensors (for both Troughs and T...

For Greenery S models and any unit that has been retrofitted with Farmhand automation system. (This sensor has 5 wires)Not compatible with LGM, ear...

The Thermo-Hygrometer mounts to the side of your mini greenhouse and reads temperature and humidity inside the dome. It ensures that plants get the...

A lab-grade tool designed specifically for horticulture, this easy-to-use pen allows you to quickly measure and calibrate pH. Premium probe technol...

A lab-grade tool designed specifically for horticulture, this easy-to-use pen allows you to quickly measure and calibrate water EC, PPM (500), PPM ...

Climate sensor compatible with Agrowtek XLM product line. Measures air temp, humidity and CO2.