--- product_id: 132233558 title: "APERA INSTRUMENTS 201DJ-C Double-Junction pH Electrode, BNC Connector, 3 Ft Cable, PC Body" brand: "apera instruments" price: "€ 68.58" currency: EUR in_stock: true category: "Apera Instruments" url: https://www.desertcart.at/products/132233558-apera-instruments-201dj-c-double-junction-ph-electrode-bnc-connector store_origin: AT region: Austria --- # 3 ft cable for flexible setup Universal BNC connector compatibility Double-junction tech prevents clogging APERA INSTRUMENTS 201DJ-C Double-Junction pH Electrode, BNC Connector, 3 Ft Cable, PC Body **Brand:** apera instruments **Price:** € 68.58 **Availability:** ✅ In Stock ## Summary > 🔬 Stay ahead in precision—measure smarter, not harder! ## Quick Answers - **What is this?** APERA INSTRUMENTS 201DJ-C Double-Junction pH Electrode, BNC Connector, 3 Ft Cable, PC Body by apera instruments - **How much does it cost?** € 68.58 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/132233558-apera-instruments-201dj-c-double-junction-ph-electrode-bnc-connector) ## 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 - • **Durable Build:** Polycarbonate body and ceramic junction for long-lasting reliability - • **Plug & Play Ready:** Standard BNC connector ensures seamless integration with most pH meters - • **Clog-Free Precision:** Double-junction design keeps measurements consistent even in turbid liquids - • **Versatile Application:** Perfect for wastewater, pools, spas, and environmental monitoring - • **Maintenance-Free Operation:** Gel KCL electrolyte means no refilling hassles for 6 months ## Overview The APERA INSTRUMENTS 201DJ-C is a robust double-junction pH electrode featuring a clog-resistant design ideal for turbid liquids. Equipped with a 3 ft cable and universal BNC connector, it offers hassle-free compatibility and maintenance-free gel KCL electrolyte for up to 6 months, making it a reliable choice for professionals monitoring wastewater, pools, spas, and environmental samples. ## 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 ## 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 | | Best Sellers Rank | #84,605 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #45 in Electrodes #2,857 in Lab Instruments & Equipment | | Date First Available | October 20, 2017 | | Item Weight | 3.84 ounces | | Item model number | AI3115 | | Manufacturer | Apera Instruments | | Product Dimensions | 6.3 x 0.5 x 0.5 inches | ## Images ![APERA INSTRUMENTS 201DJ-C Double-Junction pH Electrode, BNC Connector, 3 Ft Cable, PC Body - Image 1](https://m.media-amazon.com/images/I/31gMjJRPzlL.jpg) ![APERA INSTRUMENTS 201DJ-C Double-Junction pH Electrode, BNC Connector, 3 Ft Cable, PC Body - Image 2](https://m.media-amazon.com/images/I/417bMqFLTGL.jpg) ![APERA INSTRUMENTS 201DJ-C Double-Junction pH Electrode, BNC Connector, 3 Ft Cable, PC Body - Image 3](https://m.media-amazon.com/images/I/41orFy7A7hL.jpg) ![APERA INSTRUMENTS 201DJ-C Double-Junction pH Electrode, BNC Connector, 3 Ft Cable, PC Body - Image 4](https://m.media-amazon.com/images/I/31R3BaU6QEL.jpg) ![APERA INSTRUMENTS 201DJ-C Double-Junction pH Electrode, BNC Connector, 3 Ft Cable, PC Body - Image 5](https://m.media-amazon.com/images/I/41nh-NBrWKL.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. ## 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.at/products/132233558-apera-instruments-201dj-c-double-junction-ph-electrode-bnc-connector](https://www.desertcart.at/products/132233558-apera-instruments-201dj-c-double-junction-ph-electrode-bnc-connector) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-09-08*