The HI981420 GroLine Monitor for Hydroponic Nutrients provides around-the-clock, continuous monitoring of pH, conductivity (EC & TDS), and temperature in hydroponic nutrient solutions. Quick to setup, simple to use, this monitor was designed with Hydroponics, Aquaponics, and Greenhouses in mind. Make your nutrient solution easy to manage with the GroLine Monitor.

The HI98115 is a GroLine pH tester with advanced features for the measurement of pH in hydroponic nutrient solutions. The HI98115 is a very simple meter to operate with all functions including turning on/off and calibration are performed with a single button. The HI98115 features a replaceable HI1271 pH electrode that can be changed when needed without having to buy a new meter. The HI98115 is supplied complete with a carrying case and calibration solutions.

• One-Button Operation
• Replaceable pH Electrode
• ±0.2 pH Accuracy

The HI981421 GroLine Monitor for Hydroponic Nutrients provides around-the-clock, continuous monitoring of pH, conductivity (EC & TDS), and temperature in hydroponic nutrient solutions. Quick to setup, simple to use, this monitor was designed with Hydroponics, Aquaponics, and Greenhouses in mind. Make your nutrient solution easy to manage with the GroLine Monitor.

• Get 24/7 pH&EC measurements for consistent yields every time.
• Good Laboratory Practice (GLP) feature for professional accuracy.
• Calibrate pH and EC with a single Quick Cal solution.

HI981412-10 (with in-line mounting kit) is supplied with HI981412 controller, HI10063 pH/temperature probe, controller aspiration filter, controller injector, 1/2” thread, saddle for Ø 50 mm pipe (2), aspiration PVC tube (flexible) (5 m), dispensing PE injection tube (rigid) (5 m), valves (2), 4.01 pH buffer solution, 20 mL (3), 7.01 pH buffer solution, 20 mL (3), power connection cable, instruction manual and quality certificates for instrument and probe.

The HI981412 uses the HI10063 amplified probe that incorporates both pH and temperature sensors and connects to the controller with a single waterproof Quick Connect DIN connector.

• Built-in amplifier
• PVDF body
• 1/2” threaded fitting for insertion to an in-line “T” fitting or the flow cell

HI981412-20 (with flow-cell mounting kit) is supplied with HI981412 controller, HI10063 pH/temperature probe, flow cell for HI981412/BL101, mounting panel assembly for HI981412/BL101, controller aspiration filter, controller injector, 1/2” thread, saddle for Ø 50 mm pipe (3), aspiration PVC tube (flexible) (5 m), dispensing PE injection tube (rigid) (15 m), tubing adapter 1/2” – 6 mm with racord (2), valves (2), 4.01 pH buffer solution, 20 mL (3), 7.01 pH buffer solution, 20 mL (3), power connection cable, instruction manual and quality certificates for instrument and probe.

The HI981412 uses the HI10063 amplified probe that incorporates both pH and temperature sensors and connects to the controller with a single waterproof Quick Connect DIN connector.

• Built-in amplifier
• PVDF body
• 1/2” threaded fitting for insertion to an in-line “T” fitting or the flow cell

HI981412-00 is supplied with HI10063 pH/temperature probe, 4.01 pH buffer solution, 20 mL (3), 7.01 pH buffer solution, 20 mL (3), power connection cable, instruction manual and quality certificates for instrument and probe.

The HI981412 uses the HI10063 amplified probe that incorporates both pH and temperature sensors and connects to the controller with a single waterproof Quick Connect DIN connector.

• Built-in amplifier
• PVDF body
• 1/2” threaded fitting for insertion to an in-line “T” fitting or the flow cell

Designed to bring simplicity to pH testing of soil, the HI981030 GroLine Soil pH Tester is designed for taking direct pH measurements in soil for environmental and agricultural testing. The built-in probe features an open reference junction, conical glass tip, and a removable sleeve design making it ideal for measuring the pH of soil.

The HALO2 GroLine Wireless pH Tester (HI9810302) is designed to bring simplicity to pH testing of soil for environmental and agricultural purposes.