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pH Tester for Hydroponics

HI 99104 is an ideal pocket tester designed with a 0.01 pH resolution and two point manual calibration through easy to reach trimmers, it immediately displays pH variations to reflect the smallest change in the sample. Unlike conventional testers, HI 99104 has a long and slim stem, ideal for measurements in small samples or test tubes. HI 99104 is supplied with a rugged, plastic body electrode with a screw connector that allows for quick and easy electrode replacement. Additionally, it's low power demand allows for 1000 hours of battery life with common 1.5V batteries.

Features:
Accurate and economical measurements.
Simple calibration.
Long battery life.
Small diameter probe fits easily into a test tube.
Replaceable electrode.