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Check the listing for details. Liquid PH0-14 Value Detect Sensor Module + PH Electrode Probe BNC for Arduino US. Condition: New. Listed at 17.85 USD. 1 x PH Electrode Probe Hydroponic Sensor BNC Interface. 1 x Liquid PH0-14 Value Detect Test Sensor Module. Module Size: 42mm × 32mm × 20mm. Detectable concentration range: PH0-14. Detection Temperature range: 0-80 ℃.