HI981420 GroLine Monitor for Hydroponic Nutrients

Extremely easy to set up - no manual needed because directions are displayed on the large, easy-to-read, plant-friendly back-lit LCD screen. No need to mess with probe holders because ours is fully waterproof and rugged enough to toss into your reservoir casually.

3 sensors combined in a single rugged probe body: pH electrode with renewable cloth junction, amperometric EC/TDS sensor, and an internal temperature sensor for temperature compensated readings

IP65 rated enclosure: designed to withstand harsh grow environments

Selectable EC to TDS/ppm conversion factor: choice of either a 0.5 or 0.7 conversion factor

Automatic Temperature Compensation: all readings are compensated for variations in temperature, temperature displayed in C or F along with pH, EC or TDS reading

Large LCD with plant-friendly green backlighting: LCD can display all three essential hydroponic nutrient measurements at one time, a 3-second cycle of single measurements, or a real-time graph screen with options for measurement selection and log recall

Data logging for 30 days: logs every 15 minutes for last 30 days, stores min, max, and average values

Data transfer: USB-C port for easy data transfer to memory stick or PC

High and low alarms: warns when your nutrient solution is out of desired range by flashing display and message

Ambient light sensor: for automatic LCD dimming