---
product_id: 128999497
title: "– ORP Redox Meter Tester -1999~1999mV, 1-point Calibration, Oxidation Reduction Potential, Aquariums, Swimming Pools, Water Treatment Systems, Aquaculture, Spa"
brand: "gain express"
price: "€ 93.66"
currency: EUR
in_stock: true
url: https://www.desertcart.com.cy/products/128999497-orp-redox-meter-tester-1999-1999mv-1-point-calibration-oxidation
store_origin: CY
region: Cyprus
---

# Wide -1999~1999mV range Portable, lightweight design 1-point precision calibration – ORP Redox Meter Tester -1999~1999mV, 1-point Calibration, Oxidation Reduction Potential, Aquariums, Swimming Pools, Water Treatment Systems, Aquaculture, Spa

**Brand:** gain express
**Price:** € 93.66
**Availability:** ✅ In Stock

## Summary

> 💧 Unlock the power of pure water with precision and ease!

## Quick Answers

- **What is this?** – ORP Redox Meter Tester -1999~1999mV, 1-point Calibration, Oxidation Reduction Potential, Aquariums, Swimming Pools, Water Treatment Systems, Aquaculture, Spa by gain express
- **How much does it cost?** € 93.66 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/128999497-orp-redox-meter-tester-1999-1999mv-1-point-calibration-oxidation)

## Best For

- gain express enthusiasts

## Why This Product

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

## Key Features

- • **On-the-Go Water Quality:** Compact and lightweight, this meter fits perfectly in your toolkit for instant testing anywhere, anytime.
- • **Versatile Water Testing:** Ideal for aquariums, pools, spas, water treatment, and even industrial applications—know your water’s true potential.
- • **Calibrated for Confidence:** Easy 1-point calibration ensures consistent, professional-grade readings every time.
- • **Filter Efficiency Revealed:** Quickly assess how well your water filter performs and ensure the water you consume or use is safe and balanced.
- • **Precision at Your Fingertips:** Accurately measures ORP from -1999 to 1999 mV in 1 mV increments for reliable water quality insights.

## Overview

The ORP Redox Meter Tester offers a broad measurement range of -1999 to 1999 mV with 1 mV resolution, featuring simple 1-point calibration for accurate oxidation-reduction potential readings. Lightweight and portable, it’s perfect for professional and home use across aquariums, pools, spas, water treatment, and industrial water quality monitoring.

## Description

Sponsored Ad – ORP Redox Meter Tester -1999~1999mV, 1-point Calibration, Oxidation Reduction Potential, Aquariums, Swimming Pools, Water Treatment Systems, Aquaculture, Spa

## Features

- Inexpensive and practical device with 1 point calibration, easy to use and highly accurate
- Measurement range: -1999 ~ 1999 mV in steps of 1 mV
- Easily find out the kind of water you are drinking and how effectively & efficient your filter works
- Carry-everywhere design, Determine the water quality indicators with this ORP meter in just a few minutes.
- Best for household to laboratory and industrial (drinking water test, in aquariums, artificial reservoirs, wastewater), swimming pools, water treatment systems, aquaculture, spa, etc.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Gain Express Holdings Ltd |
| Part number | ORP-228 |
| Item Weight | 132 g |
| Product Dimensions | 15.49 x 3.1 x 1.57 cm; 131.54 g |
| Batteries | 4 LR44 batteries required. |
| Item model number | ORP-228 |
| Item thickness | 31 Millimetres |
| Power source type | Battery Powered |
| Item Package Quantity | 1 |
| Number of Pieces | 1 |
| Special Features | Measuring oxidation-reduction potential (ORP) of water |
| Batteries included? | No |
| Batteries Required? | No |
| Battery Cell Type | Alkaline |

## Images

![– ORP Redox Meter Tester -1999~1999mV, 1-point Calibration, Oxidation Reduction Potential, Aquariums, Swimming Pools, Water Treatment Systems, Aquaculture, Spa - Image 1](https://m.media-amazon.com/images/I/71bWVUdsqAL.jpg)

## Questions & Answers

**Q: Does it test water orp and ph?**
A: It measures the ORP of water solution in the range -1999 ~ 1999 mV

## Frequently Bought Together

- Gain Express ORP Redox Meter Tester -1999~1999mV, 1-Point Calibration, Oxidation Reduction Potential, Aquariums, Swimming Pools, Water Treatment Systems, Aquaculture, Spa
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**Shop now:** [https://www.desertcart.com.cy/products/128999497-orp-redox-meter-tester-1999-1999mv-1-point-calibration-oxidation](https://www.desertcart.com.cy/products/128999497-orp-redox-meter-tester-1999-1999mv-1-point-calibration-oxidation)

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*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-03-19*