Specification AgeRangeDescription : little_kid BatteriesIncluded : 1 BatteriesRequired : 1 Brand : TOPINCN BulletPoint1 : ORP Electrode: It is harmless to the human body and has good conductivity, and widely used in the test of aqueous solutions. BulletPoint2 : Wide Use: For most ORP meters and controllers with BNC Q9 connectors, used in water source systems such as aquariums, hydroponics, swimming pools. BulletPoint3 : Test: Measure the value in the aqueous solution for accurate up and down adjustment, which needs to be used in conjunction with the meter. BulletPoint4 : Strong Conductivity: The ORP replacement probe is made of sturdy materials, has good conductivity. BulletPoint5 : ORP Probe: Different water quality ORP ion oxidation degree is always can help remove harmful substances in the water you use to. Color : Multi CpsiaCautionaryStatement : no_warning_applicable EducationalObjective : Creative Skills ExternallyAssignedProductIdentifier : 9148241316717 ExternallyAssignedProductIdentifier1 : 0769902984022 ExternallyAssignedProductIdentifier2 : 769902984022 IncludedComponents : No ItemName : TOPINCN ORP Tester Meter Probe ORP Replacement Probe Hydroponic Electrode Oxidation Reduction Potential Test BNC Q9 Connector Electrode for Home Garden ItemPackageDimensions_Height : 8 centimeters ItemPackageDimensions_Length : 22 centimeters ItemPackageDimensions_Width : 9 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : lab-electrodes Manufacturer : TOPINCN ManufacturerMinimumAge : 180 Material : See Description ModelName : TOPINCNp5eu3zigxt ModelNumber : TOPINCNp5eu3zigxt NumberOfBoxes : 1 NumberOfItems : 1 NumberOfLithiumIonCells : 1 NumberOfLithiumMetalCells : 1 NumberOfPieces : 1 PackageLevel : unit PartNumber : TOPINCNp5eu3zigxt PowerSourceType : hand_powered ProductDescription : Specification: Item Type: ORP Replacement Probe Material: Plastic Electrode Length: Approx. 155mm / 6.1in (Delivered with liquid) Probe Type: Sensitive Crystal Ball Bubble Range: 0~±1999mV Accuracy: ±5mV Applicable Temperature Range: 5~70℃ Electrode Potential: 245-270mv (15~30℃) Internal of Reference Electrode: ≤10kΩ Electrode Stability: ±8mv/24 Electrode Indicator Electrode: Good Conductivity Electrode Plug Type: Q9 PH Electrode Wire Length: Approx. 1.2m / 3.93ft Gross Weight: Approx. 89g / 3.14oz Can be widely used in water source systems such as aquariums, hydroponics, hot springs, swimming pools, etc.