300cm Cable ORP probe. Widely used to test the the ORP of solution/water. Great laboratory ORP electrode probe. Ph Probe Diameter Size: 12mm. Suitable for most ORP meter and controller with BNC Q9 connector. Filled with saturated solution, used for printing circuit board, ORP on line measurement of containing chromium wastewater treatment. Material is environmental friendly with no harm to human body and great conductivity. Mainly used to measure water quality, suitable for swimming pools and spas, fish ponds, but also for water sources, aquariums, hydroponics, laboratories, seawater, marine/saltwater fish tanks and other water systems. Type:300cm Cable ORP probe. Type:Laboratory Electrode Probe Type:Sensitive Crystal Ball Bubble Range:0 - ±1999mV Accuracy: ±5mV Applicable Temperature Range: 5 - 70℃ Electrode Potential: 245-270mv (15-30℃) Internal Resistance of the Reference Electrode:less than equal 10kΩ Electrode Stability: ±8mv/24 Indicator Electrode of Electrode: Good Conduction Type of Electrode Plug: Q9 BNC: Upright Caution: 1. Not suitable for testing in highly or viscous liquids, or for continuous testing in high temperature solutions. 2. Not suitable for testing low ionic concentration solutions (such as deionised or distilled water), strong alkaline solutions (pH 12) highly liquids. Please check as much as possible to make sure the item is what you need. Tips:The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use. Colour:As Shown Material:PC Package Contents: 1 * 300cm Cable ORP Electrode 2 * 256MV Power Buffer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.