HI98118 GroLine Waterproof Hydroponic pH Tester

HI98118 GroLine Waterproof Hydroponic pH Tester

Buy now GroLine Waterproof Hydroponic pH Tester The GroLine HI98118 pH/temperature tester is our latest pocket meter for measuring the pH of a hydroponic nutrient solution. This modern looking meter is only 0.7″ thick and extremely ergonomic, fitting comfortably...
HI98115 GroLine Hydroponics pH Tester

HI98115 GroLine Hydroponics pH Tester

Buy now GroLine Hydroponics pH Tester The GroLine HI98118 pH/temperature tester is our latest pocket meter for measuring the pH of a hydroponic nutrient solution. This modern looking meter is only 0.7″ thick and extremely ergonomic, fitting comfortably in your...
HI98127 pH Tester with 0.1 pH resolution

HI98127 pH Tester with 0.1 pH resolution

Buy now  ph Tester pHep®4  with 0.1 pH resolution This lightweight, waterproof tester offers high accuracy pH and temperature measurements in a single handheld unit! The large LCD display shows both pH and temperature readings simultaneously, while a stability...
HI98100 Checker® Plus pH Tester

HI98100 Checker® Plus pH Tester

Buy now Checker® Plus pH Tester Economical Large LCD Replaceable pH Electrode Automatic Calibration Stability Indicator Automatic Shut-Off Long Battery Life Related products HI902C Automatic Potentiometric (pH/mV/ISE) Titration System Food and Beverage, Laboratory...
ORP Tester – HI98120

ORP Tester – HI98120

Buy now ORP Tester HI98120 The HI98120 is a waterproof ORP tester and temperature handheld meter. The housing of this ORP tester is completely sealed to protect against the intrusion of water and is also designed to float if accidentally dropped into a body of water....
pH/ORP/Temperature Combo Tester – HI98121

pH/ORP/Temperature Combo Tester – HI98121

Buy now pH/ORP/Temperature Combo Tester The HI98121 is a waterproof pH, ORP and temperature meter. The housing of this tester has been completely sealed against humidity and is designed to float. Electrode replacement with the stainless steel round connector means...
HI98130 pH/Conductivity/TDS/°C Tester

HI98130 pH/Conductivity/TDS/°C Tester

Buy now Combo pH/Conductivity/TDS Tester (High Range) The HI98130 makes measuring pH quick and easy! This lightweight, waterproof tester offers high accuracy pH, high range EC/TDS (0 to 3999 µS/cm EC/ 0.00 to 10.00 ppt TDS) and temperature measurements in a single...
HI98128 Combo pH/ORP/Temperature Tester

HI98128 Combo pH/ORP/Temperature Tester

Buy now Combo pH/ORP/Temperature Tester Hanna’s pHep®5 waterproof tester is an advanced pH meter that has many features found in more expensive portable and benchtop meters. This ergonomic meter measures from -2.00 to 16.00 pH with an accuracy of ±0.05 pH....
pHep® pH Tester – HI98107

pHep® pH Tester – HI98107

Buy now pHep® Waterproof Pocket pH Tester with 0.1 pH Resolution The Hanna Instruments HI98107 pHep® pH tester is a rugged and reliable pocket-sized tester for use in the lab or field. This modern looking meter is only 0.7″ thick and extremely ergonomic, fitting...
HI98103 Checker® pH Tester

HI98103 Checker® pH Tester

Buy now Checker® pH Tester The pH Checker® series supplies users with fast and accurate readings from 0 to 14 pH with a resolution of 0.01 pH. This compact tester features an easy to read LCD and simple to perform two point calibration. The pH electrode of the...