--- product_id: 375695413 title: "201DJ-C Double-Junction pH Electrode, BNC Connector, 3 Ft Cable, PC Body" brand: "apera instruments" price: "£51.35" currency: GBP in_stock: true reviews_count: 5 category: "Apera Instruments" url: https://www.desertcart.co.uk/products/375695413-201dj-c-double-junction-ph-electrode-bnc-connector-3-ft store_origin: GB region: United Kingdom --- # 3 ft durable cable length Double-junction prevents clogging BNC connector for universal compatibility 201DJ-C Double-Junction pH Electrode, BNC Connector, 3 Ft Cable, PC Body **Brand:** apera instruments **Price:** £51.35 **Availability:** ✅ In Stock ## Summary > 🔬 Stay ahead in precision—measure smarter, not harder! ## Quick Answers - **What is this?** 201DJ-C Double-Junction pH Electrode, BNC Connector, 3 Ft Cable, PC Body by apera instruments - **How much does it cost?** £51.35 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/375695413-201dj-c-double-junction-ph-electrode-bnc-connector-3-ft) ## Best For - apera instruments enthusiasts ## Why This Product - Trusted apera instruments brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Universal BNC Connector:** Seamlessly pairs with any pH meter using BNC, no adapters needed. - • **Robust Polycarbonate Body:** Durable and lightweight for reliable field and lab performance. - • **Wide pH Range Compatibility:** Accurately measures from 0 to 14 pH, perfect for diverse testing environments. - • **Clog-Resistant Double-Junction:** Engineered to stay pristine in turbid liquids, ensuring uninterrupted precision. - • **Maintenance-Free Gel KCL Electrolyte:** Forget refills—designed for hassle-free, long-term use. ## Overview The APERA INSTRUMENTS 201DJ-C is a professional-grade double-junction pH electrode featuring a clog-resistant design ideal for turbid and challenging liquids. With a universal BNC connector and a maintenance-free gel KCL electrolyte, it delivers reliable, accurate pH measurements across the full 0-14 range. Its durable polycarbonate body and 3-foot cable make it perfect for both lab and field use, ensuring consistent performance without frequent upkeep. ## Description APERA INSTRUMENTS 201DJ-C Double-Junction Combination pH Electrode is ideal for long time consistent testing in turbid water solutions, such as wastewater, pools and spas, and environmental monitoring. Its double-junction structure prevents the probe from being clogged and contaminated during measurement. Measurement Range: 014 pH, 080?C (32176?F); Housing: Polycarbonate; Junction: Double Ceramic; Reference Electrode: Ag/AgCl; Connector: BNC; Size: ø12 160 mm; Cable: 3 Ft. Not suitable for testing in low-ion concentration solutions (eg: deionized water or distilled water), strong base solutions (pH>12), highly corrosive liquid, or for continuous testing in high temperature solutions (>140?F). Compatible with any pH meters that use BNC connectors. Temperature sensor is not built-in. Users need to have a separate temperature probe to enable ATC or manually input temperature to complete temperature compensation Review: Ideal para medir Salsas espesas. Review: Used to replace a bad probe works very well. Responsive and accurate ## Features - Double-junction structure, hard to be clogged - Suitable for testing in turbid liquid - Standard bnc connector - Gel KCL electrolyte, no need for refilling - 6 Months fulfilled by Apera Instruments ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B076M6F7V2 | | ASIN | B076M6F7V2 | | Batteries Required? | No | | Customer Reviews | 4.0 4.0 out of 5 stars (76) | | Customer reviews | 4.0 4.0 out of 5 stars (76) | | Date First Available | 21 December 2017 | | Date First Available | 21 December 2017 | | Included components | 201DJ-C Electrode | | Item Package Quantity | 1 | | Item Weight | 109 g | | Item model number | AI3115 | | Item model number | AI3115 | | Manufacturer | Apera Instruments | | Manufacturer | Apera Instruments | | Material | Polycarbonate/Glass | | Measurement System | US | | Part number | AI3115 | | Product Dimensions | 16 x 1.27 x 1.27 cm; 109 g | | Product Dimensions | 16 x 1.27 x 1.27 cm; 109 g | ## Images ![201DJ-C Double-Junction pH Electrode, BNC Connector, 3 Ft Cable, PC Body - Image 1](https://m.media-amazon.com/images/I/51ZSQnqmTaL.jpg) ## Questions & Answers **Q: Can this be used for testing cationic emulsions?** A: For sticky testing substances, we would recommend the pre-pressurized Labsen 851-3 for viscous solutions. **Q: Will this work with the milwaukee sms122?** A: If the model has BNC connectors, then you at a minimum can test the probe. If it won't give proper readings after trying, you can always return to Amazon for a refund within 30 days. **Q: Is it compatible with Tris containing buffers?** A: No. **Q: is this item can be use in seawater sampling?** A: Yes. This item can be used to test the pH of seawater samples. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by J***Z on 17 February 2026* Ideal para medir Salsas espesas. ### ⭐⭐⭐⭐⭐ Review *by D***L on 25 March 2023* Used to replace a bad probe works very well. Responsive and accurate ### ⭐⭐⭐⭐⭐ Review *by F***O on 9 June 2025* Funciona perfectamente ## Frequently Bought Together - APERA INSTRUMENTS 201DJ-C Double-Junction pH Electrode, BNC Connector, 3 Ft Cable, PC Body - Apera Instruments AI1113 pH Calibration Buffer Solution Kit (7.00, 4.00), 8 oz. Each - APERA INSTRUMENTS 201-C Combination pH Electrode, BNC Connector, Polycarbonate-Body (AI1301) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/375695413-201dj-c-double-junction-ph-electrode-bnc-connector-3-ft](https://www.desertcart.co.uk/products/375695413-201dj-c-double-junction-ph-electrode-bnc-connector-3-ft) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-06-14*