---
product_id: 375695413
title: "201DJ-C Double-Junction pH Electrode, BNC Connector, 3 Ft Cable, PC Body"
brand: "apera instruments"
price: "690 kr"
currency: DKK
in_stock: true
url: https://www.desertcart.dk/products/375695413-201dj-c-double-junction-ph-electrode-bnc-connector-3-ft
store_origin: DK
region: Denmark
---

# 3 ft durable cable Double-junction tech Gel KCL electrolyte, no refill 201DJ-C Double-Junction pH Electrode, BNC Connector, 3 Ft Cable, PC Body

**Brand:** apera instruments
**Price:** 690 kr
**Availability:** ✅ In Stock

## Summary

> 📊 Elevate your pH testing game—precision that keeps you ahead of the curve!

## 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?** 690 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/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

- • **Plug & Play BNC Connector:** Seamlessly compatible with any BNC pH meter—no adapters needed, no downtime.
- • **Robust Polycarbonate Body:** Lightweight yet durable design built to withstand demanding environmental testing conditions.
- • **Clog-Resistant Double-Junction:** Engineered to prevent contamination in turbid liquids for reliable readings every time.
- • **Maintenance-Free Gel Electrolyte:** Forget refilling—gel KCL electrolyte ensures 6 months of uninterrupted precision.
- • **Versatile pH Range & Application:** Accurate measurements from 0-14 pH, perfect for wastewater, pools, spas, and environmental monitoring.

## Overview

The APERA INSTRUMENTS 201DJ-C is a professional-grade double-junction pH electrode featuring a clog-resistant design and gel KCL electrolyte for maintenance-free use up to 6 months. With a 3 ft cable and universal BNC connector, it delivers reliable, accurate pH measurements in turbid liquids like wastewater and pools, housed in a durable polycarbonate body for long-term field use.

## Description

201DJ-C Double-Junction pH Electrode, BNC Connector, 3 Ft Cable, PC Body

## 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 |
|---------------|-------|
| Manufacturer | Apera Instruments |
| Part number | AI3115 |
| Item Weight | 109 g |
| Product Dimensions | 16 x 1.27 x 1.27 cm; 109 g |
| Item model number | AI3115 |
| Material | Polycarbonate/Glass |
| Item Package Quantity | 1 |
| Measurement System | US |
| Included components | 201DJ-C Electrode |
| Batteries Required? | No |

## 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.

## 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)

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**Shop now:** [https://www.desertcart.dk/products/375695413-201dj-c-double-junction-ph-electrode-bnc-connector-3-ft](https://www.desertcart.dk/products/375695413-201dj-c-double-junction-ph-electrode-bnc-connector-3-ft)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-02-21*