Category Archives: hanna instruments

Checker Plus pH Tester

The Hanna Checker Plus is the next generation of the original Hanna Checker pH tester. The Checker is the most popular pH meter in the world with over 1 million meters used since its introduction in 1991. From entry-level growers … Continue reading

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HI98331 Soil Test direct soil EC Tester

The Hanna HI98331 Soil Test is a pocket tester specifically designed to directly measure soil conductivity and temperature. With a temperature sensor in the penetration probe, measurements are automatically temperature-compensated. The conductivity range can be calibrated at one point and … Continue reading

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Hanna Combo Tester (HI-98129)

The HI 98129 Combo waterproof tester from Hanna offers high accuracy pH, EC/TDS and temperature measurements in a single tester! No more switching between meters for your routine measurements. The waterproof Hanna Combo (it even floats) has a large easy-to-read, … Continue reading

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