---
product_id: 7814331
title: "EC505 ExStik Replacement pH Electrode/Conductivity Cell Module for Extech EC500"
brand: "extech"
price: "NZ$234"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/7814331-ec505-exstik-replacement-ph-electrode-conductivity-cell-module-for-extech
store_origin: NZ
region: New Zealand
---

# Waterproof rugged design Effortless quick-swap replacement Dual pH & conductivity measurement EC505 ExStik Replacement pH Electrode/Conductivity Cell Module for Extech EC500

**Brand:** extech
**Price:** NZ$234
**Availability:** ✅ In Stock

## Summary

> 🔬 Stay sharp, stay ahead—precision testing made effortless.

## Quick Answers

- **What is this?** EC505 ExStik Replacement pH Electrode/Conductivity Cell Module for Extech EC500 by extech
- **How much does it cost?** NZ$234 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/7814331-ec505-exstik-replacement-ph-electrode-conductivity-cell-module-for-extech)

## Best For

- extech enthusiasts

## Why This Product

- Trusted extech brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Two-in-One Tech:** Combine pH and conductivity readings in one compact, space-saving unit.
- • **Smart Cost Saver:** Extend your meter’s life with a simple module swap—cut replacement costs and keep testing.
- • **Reliable Accuracy:** Consistent, high-precision measurements ideal for environmental and industrial pros.
- • **Built for the Grind:** Rugged, waterproof housing designed to withstand spills, splashes, and field conditions.
- • **Plug & Play Precision:** Replace your module in seconds—no recalibration needed, zero downtime.

## Overview

The Extech EC505 is a durable, waterproof replacement module for the EC500 ExStik II meter, combining pH and conductivity sensors in one unit. It offers quick, hassle-free installation without recalibration, delivering reliable, high-accuracy measurements for professionals in environmental monitoring, water treatment, and industrial quality control—all backed by a one-year warranty.

## Description

Product Description               The EC505 is an ExStik® Replacement pH Electrode/Conductivity Cell Module. For use with the Extech EC500 Waterproof ExStik® II pH/Conductivity Meter. Measures conductivity, TDS, salinity, pH and temperature. Comes with a year warranty.                  From the Manufacturer               ExStik Replacement pH Electrode/Conductivity Cell Module for Extech EC500

## Features

- Effortless Replacement, Zero Hassle - Keep your ExStik II meter running like new with this quick-swap pH electrode and conductivity cell. No messy recalibration headaches—just replace, connect, and continue testing.
- Two-in-One Functionality - Combines both pH measurement and conductivity readings in one rugged module. Save space in your toolkit while enjoying accurate, reliable results across a wide range of water and solution types.
- Built Tough for Everyday Use - Designed with durability in mind, the EC505 handles frequent testing in labs, fieldwork, and industrial settings. Its waterproof housing ensures it stands up to spills, splashes, and demanding conditions.
- Precision You Can Trust - Delivers high-accuracy pH and conductivity results for professionals who need consistent, repeatable measurements. Perfect for environmental monitoring, water treatment, hydroponics, and quality control.
- Cost-Effective and Convenient - Instead of replacing your entire meter, swap the electrode module and extend the life of your device. Smart design saves time, reduces downtime, and keeps your workflow uninterrupted.

## Product Details

- **Brand:** Extech
- **Item Weight:** 0.03 Kilograms
- **Item Form:** Liquid
- **Product Benefits:** Controls Algae
- **UPC:** 793950055052

## Images

![EC505 ExStik Replacement pH Electrode/Conductivity Cell Module for Extech EC500 - Image 1](https://m.media-amazon.com/images/I/71bnrW0vANL.jpg)

## Available Options

This product comes in different **Style** options.

## Frequently Bought Together

- Extech EC505 ExStik Replacement pH Electrode/Conductivity Cell Module for Extech EC500
- Extech EC500 Waterproof ExStik II pH/Conductivity Meter
- pH Buffer Calibration Solution Kit 3-Pack: pH 4.00, pH 7.00, pH 10.00 Buffers — 250 ml (8.4 fl oz) Each — Color Coded — NIST Traceable for All pH Meters

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**Shop now:** [https://www.desertcart.nz/products/7814331-ec505-exstik-replacement-ph-electrode-conductivity-cell-module-for-extech](https://www.desertcart.nz/products/7814331-ec505-exstik-replacement-ph-electrode-conductivity-cell-module-for-extech)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-04-25*