BNC Connector Electrode PH Probe Sensor For Aquarium Lab Controller Meter Tester

PH range: 0-14 PH. pH range: 0-14pH. Spot Welder. 45 In 1 Sensor. Zero-point: 7 ± 0.5PH. Battery Protection Board. Temperature range: 0-60℃. Temperature range: 0-60 °C.

eBay