---
product_id: 454063558
title: "Extech RE300 ExStik ORP Meter"
brand: "extech"
price: "€ 301.31"
currency: EUR
in_stock: true
reviews_count: 4
url: https://www.desertcart.fr/products/454063558-extech-re300-exstik-orp-meter
store_origin: FR
region: France
---

# Stores 15 Readings Range: -999 to 999mV Auto Calibration Extech RE300 ExStik ORP Meter

**Brand:** extech
**Price:** € 301.31
**Availability:** ✅ In Stock

## Summary

> 🔬 Elevate Your Measurements with Precision!

## Quick Answers

- **What is this?** Extech RE300 ExStik ORP Meter by extech
- **How much does it cost?** € 301.31 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/454063558-extech-re300-exstik-orp-meter)

## 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

- • **Memory That Matters:** Easily store and recall up to 15 readings, plus the last calibrated value.
- • **Visualize Your Data:** Simulated analog bargraph provides a clear visual representation of ORP changes.
- • **Versatile Measurement Range:** Measure ORP/Redox across a wide range from -999 to 999mV.
- • **Precision at Your Fingertips:** Experience high-resolution measurements with a precision of 1mV.
- • **Stay Ahead with Self-Calibration:** Automatic electronic self-calibration ensures accuracy without the hassle.

## Overview

The Extech RE300 ExStik ORP Meter is a cutting-edge device designed for accurate ORP/Redox measurements ranging from -999 to 999mV. It features automatic electronic self-calibration, a high-resolution display, and the ability to store and recall up to 15 readings, making it an essential tool for professionals seeking reliable data.

## Description

Full description not available

## Features

- Measures ORP/Redox from -999 to 999mV
- Automatic electronic self calibration
- Simulated analog bargraph displays change in ORP reading
- High resolution of 1mV
- Memory stores and recalls 15 readings and saves last calibrated value

## Images

![Extech RE300 ExStik ORP Meter - Image 1](https://m.media-amazon.com/images/I/61qz+-2hHBL.jpg)
![Extech RE300 ExStik ORP Meter - Image 2](https://m.media-amazon.com/images/I/616UsoxfLVL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐ 3.0 out of 5 stars







  
  
    Ok for price
  

*by K***G on Reviewed in the United Kingdom on 19 September 2020*

Not very accurate when tested in calibration fluid and is a bit inconsistent. But for the price it is good enough if your not looking for pinpoint accuracy.

### ⭐⭐⭐ 3.0 out of 5 stars







  
  
    Three Stars
  

*by H***K on Reviewed in the United Kingdom on 5 September 2017*

very good not sure if it have been calibrated

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    just the job we use a few of these and ...
  

*by C***S on Reviewed in the United Kingdom on 11 December 2015*

just the job we use a few of these and always does what it is supposed to do ie tells us the PH of the water leaving the factory

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**Shop now:** [https://www.desertcart.fr/products/454063558-extech-re300-exstik-orp-meter](https://www.desertcart.fr/products/454063558-extech-re300-exstik-orp-meter)

---

*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-02-23*