{"product_id":"ph-orp-replacement-probe-300cm-bnc-cable-auto-temperature-compensation-1","title":"pH \u0026 ORP Replacement Probe – 300cm BNC Cable, Auto Temp Compensation","description":"\u003ch2\u003epH \u0026amp; ORP Replacement Probe with 300cm BNC Cable\u003c\/h2\u003e\n\u003cp\u003eUpgrade your water quality monitoring setup with this precision \u003cstrong\u003epH \u0026amp; ORP Replacement Probe\u003c\/strong\u003e. Featuring a generous \u003cstrong\u003e300 cm (3-meter) cable\u003c\/strong\u003e and a universal \u003cstrong\u003eBNC connector\u003c\/strong\u003e, this probe is compatible with virtually any pH meter or controller that uses a BNC interface. Automatic Temperature Compensation (ATC, 0–50°C) ensures stable, accurate readings across a wide range of environments. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal BNC Compatibility:\u003c\/strong\u003e Plugs directly into any pH meter, ORP controller, or water quality tester with a BNC connector — no adapters needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Measuring Range:\u003c\/strong\u003e Covers 0.00–14.00 pH for comprehensive testing across acidic, neutral, and alkaline solutions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomatic Temperature Compensation (ATC):\u003c\/strong\u003e Compensates for temperature variations (0–50°C) to deliver consistent, reliable readings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExtra-Long 300cm Cable:\u003c\/strong\u003e Ideal for reaching into deep tanks, reservoirs, or hard-to-access systems without moving your meter.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-Purpose pH \u0026amp; ORP Probe:\u003c\/strong\u003e Functions as both a pH electrode and an ORP (Oxidation-Reduction Potential) combination electrode, featuring an indicator electrode and silver chloride reference electrode.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Applications:\u003c\/strong\u003e Suited for aquariums, fish tanks, swimming pools, hydroponics, irrigation systems, kombucha brewing, spas, laboratories, and wastewater monitoring.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast Response:\u003c\/strong\u003e Delivers stable readings within 1 minute of submersion.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable ABS Construction:\u003c\/strong\u003e 12mm diameter probe body built to withstand regular use in wet environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMeasuring Range:\u003c\/strong\u003e 0.00–14.00 pH\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCable Length:\u003c\/strong\u003e 300 cm (approx. 3 meters)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProbe Diameter:\u003c\/strong\u003e 12 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eZero Point:\u003c\/strong\u003e 7 ± 0.5 pH\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTheoretical Percentage Slope:\u003c\/strong\u003e ≥ 98.5%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInternal Resistance:\u003c\/strong\u003e ≤ 250 MΩ\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eResponse Time:\u003c\/strong\u003e ≤ 1 minute\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0–60°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eATC Range:\u003c\/strong\u003e 0–50°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnector Type:\u003c\/strong\u003e BNC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e ABS\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2 × pH-201 Electrodes\u003c\/li\u003e\n  \u003cli\u003e1 × pH 4.01 Buffer Solution\u003c\/li\u003e\n  \u003cli\u003e1 × pH 6.86 Buffer Solution\u003c\/li\u003e\n  \u003cli\u003e2 × pH ORP Buffers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/100-pcs-plant-support-clips-orchid-flower-vine-stem-garden\"\u003e100 PCS Plant Support Clips for Orchid, Flower \u0026amp; Vine Stems\u003c\/a\u003e — great for organizing your hydroponics garden\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/balashov-2500w-handheld-steam-cleaner-kitchen-car-home\"\u003eBALASHOV 2500W Handheld Steam Cleaner – Kitchen, Car \u0026amp; Home\u003c\/a\u003e — keep your aquarium equipment and workspace clean\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/2-8l-beverage-dispenser-with-spigot-fridge-drink-dispenser\"\u003e2.8L Beverage Dispenser with Spigot – Fridge Drink Dispenser\u003c\/a\u003e — useful for storing and dispensing buffer solutions during calibration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is this pH \u0026amp; ORP probe compatible with my existing BNC pH meter?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This replacement probe uses a standard BNC connector, making it compatible with virtually all pH meters, ORP controllers, and water quality analyzers that feature a BNC interface — including most popular lab and hobbyist models.\u003c\/p\u003e\n\u003ch4\u003eQ: What applications is this pH probe best suited for?\u003c\/h4\u003e\n\u003cp\u003eA: This probe is designed for a wide variety of water quality testing needs, including aquariums, fish tanks, swimming pools, hydroponics systems, irrigation water, kombucha brewing, spa water, laboratories, and industrial or wastewater monitoring.\u003c\/p\u003e\n\u003ch4\u003eQ: What does Automatic Temperature Compensation (ATC) mean for my measurements?\u003c\/h4\u003e\n\u003cp\u003eA: ATC automatically adjusts the pH reading based on the current water temperature (0–50°C), so you get accurate and consistent results without needing to manually factor in temperature changes — particularly important in environments where water temperature fluctuates.\u003c\/p\u003e\n\u003ch4\u003eQ: Does this probe measure ORP as well as pH?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This is a combination electrode that functions as both a pH electrode and an ORP (Oxidation-Reduction Potential) probe. The ORP function uses an indicator electrode paired with a silver chloride reference electrode to measure the oxidation-reduction potential of aqueous solutions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is this pH \u0026 ORP probe compatible with my existing BNC pH meter?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. This replacement probe uses a standard BNC connector, making it compatible with virtually all pH meters, ORP controllers, and water quality analyzers that feature a BNC interface — including most popular lab and hobbyist models.\"}}, {\"@type\": \"Question\", \"name\": \"What applications is this pH probe best suited for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This probe is designed for a wide variety of water quality testing needs, including aquariums, fish tanks, swimming pools, hydroponics systems, irrigation water, kombucha brewing, spa water, laboratories, and industrial or wastewater monitoring.\"}}, {\"@type\": \"Question\", \"name\": \"What does Automatic Temperature Compensation (ATC) mean for my measurements?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"ATC automatically adjusts the pH reading based on the current water temperature (0–50°C), so you get accurate and consistent results without needing to manually factor in temperature changes — particularly important in environments where water temperature fluctuates.\"}}, {\"@type\": \"Question\", \"name\": \"Does this probe measure ORP as well as pH?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. This is a combination electrode that functions as both a pH electrode and an ORP (Oxidation-Reduction Potential) probe. 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