When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Bluelab pH Probe – Double-Junction BNC Replacement Probe
Lab-grade pH accuracy for growers, hydroponics professionals, and water quality specialists. The Bluelab pH Probe delivers dependable, long-lasting double-junction technology engineered for precision measurement in nutrient solutions, hydroponic systems, and water testing applications.
Imagine never second-guessing your pH readings again — this probe plugs directly into your existing Bluelab meter or controller via the standard BNC connection and delivers consistent, repeatable results from day one.
Key Features
- ✅ Double-junction design — reduces contamination and extends probe life
- ✅ Standard BNC connector — compatible with all Bluelab handheld meters, monitors, and controllers
- ✅ 2 metre / 6.6 ft cable — reach into reservoirs and tanks with ease
- ✅ Polycarbonate body — durable and chemical-resistant
- ✅ Fully waterproof — safe for continuous solution immersion
- ✅ Probe holder with suction cup — hands-free mounting in any vessel
- ✅ KCl-filled storage cap — keeps the probe hydrated and ready between uses
Technical SpecificationsMeasurement Range0.0 – 14.0 pHResolution0.1 and 0.01 pH (device dependent)Minimum EC0.2 EC and aboveOperating Temperature0–60°C / 32–140°FConnector TypeStandard BNCCable Length2 m / 6.6 ftBody MaterialPolycarbonateWarranty6-month limited warrantyCountry of OriginNew ZealandCompatibility
This probe is compatible with all Bluelab handheld meters, monitors, and controllers featuring a BNC connection, including the Bluelab pH Pen, Combo Meter, Guardian Monitor, and Pro Controller series.
What\'s in the Box
- Bluelab pH Probe (double-junction)
- Probe holder with suction cup
- KCl-filled storage cap
- 📄 Download Product Manual (PDF)
