TEKCOPLUS PH Sensor, Electrode, Probe, PH Meter, Payer Meter, Measuring Instrument, Measuring Range 0-14, Accuracy ±0.01, Automatic Temperature Correction, 118.1 inches (300 cm) Cable, BNC Connector,

0-14 pH Electrode Probe, pH Meter with Replacement BNC Connector and 300cm Cable Sensor for ph Monitor Controller Tester Meter Kit Set for Aquarium Hydroponics Plant Pool Spa

2 in 1 Temperature pH Monitor Meter Tester Sensor Test Kit 0~14.0 pH Automatic Buffer Recognition BNC Electrode Probe for Hydroponics Aquarium Lab Testing Food Drinking Water pH of Saltwater/seawater

PH Meter for Water Hydroponics Digital PH Tester Pen 0.01 High Accuracy Pocket Size with 0-14 PH Measurement Range for Household Drinking, Pool and Aquarium