HANNA Misuratore PH in Continuo Grochek HI981401N-02

Hanna Instruments Hanna GroLine Waterproof Hydroponic pH Tester HI98118: : Industrial & Scientific

Hanna Instruments HI98103 Checker pH Tester with Ph Electrode and Batteries, 0.00 to 14.00 pH, +/-0.2 pH Accuracy, 0.1 pH Resolution: Lab Electrodes: : Industrial & Scientific

HANNA Misuratore PH in Continuo Grochek HI981401N-02

HANNA Monitor HI 9814 Misurazione PH/EC/TDS/TEMP

Groline hydroponic pocket PPM pH Meter - HI98131

Hanna

Hanna Instruments HI-9321 Microprocessor pH Meter

pH Meter Hanna Instruments

HANNA Misuratore PH/EC/TDS/TEMP HI 9811-5

The HI98129 Combo tester from Hanna Instruments is designed for fast, efficient and high accuracy pH, EC/TDS and temperature measurements. No more switching meters to measure the pH and then the EC or TDS of a solution. This tester has a hold feature to prompt the user when to take the reading & a display freeze for easy and accurate recording. Calibration and temperature compensation is automatic.

Hanna (HI98129) The New Combo; pH,TDS,Cond. & Temp.

Hanna Ph Meter

Hanna Instruments HI98331 Soil Test Direct Soil EC Tester, 0.0 to 50.0 Degree C, 0.1 Degree C Resolution, +/-1 Degree C : Industrial & Scientific