Inline Hydroponic Nutrients Monitor with Graphing and Data Logs

Our 3-in-1 pre-amplified inline probe measures pH, EC/TDS, and temperature in a single, durable, polypropylene body making the GroLine Monitor easy to handle and easy to set up.

Industrial Grade PTFE junction means less maintenance and longer probe life.

The HI1285-9 Probe has a 3/4” threaded connection for insertion into a pipe for flow through monitoring

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 readings

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 back-light shutoff