---
product_id: 283620678
title: "5 in 1 TDS/EC/PH/Salinity/Temperature Meter Digital Water Quality Monitor Tester for Pools, Drinking Water, Aquariums AEZ-9909"
brand: "rcyago"
price: "$64.47"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/283620678-5-in-1-tds-ec-ph-salinity-temperature-meter-digital
store_origin: US
region: United States of America
---

# 5-in-1 water quality metrics Auto power-off saves battery Wide temperature range 0-80°C 5 in 1 TDS/EC/PH/Salinity/Temperature Meter Digital Water Quality Monitor Tester for Pools, Drinking Water, Aquariums AEZ-9909

**Brand:** rcyago
**Price:** $64.47
**Availability:** ✅ In Stock

## Summary

> 💧 Master your water quality game with precision and ease!

## Quick Answers

- **What is this?** 5 in 1 TDS/EC/PH/Salinity/Temperature Meter Digital Water Quality Monitor Tester for Pools, Drinking Water, Aquariums AEZ-9909 by rcyago
- **How much does it cost?** $64.47 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/283620678-5-in-1-tds-ec-ph-salinity-temperature-meter-digital)

## Best For

- rcyago enthusiasts

## Why This Product

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

## Key Features

- • **Rugged & Waterproof:** IP67-rated dustproof and waterproof design built for any environment.
- • **All-in-One Precision:** Measure TDS, EC, pH, salinity, and temperature with one sleek device.
- • **Smart Auto Calibration:** 3-point automatic pH calibration with temperature compensation for hassle-free accuracy.
- • **Dual Salinity Detection:** Accurately test both edible salt and seawater salinity for versatile use.
- • **Portable & User-Friendly:** Compact, lightweight, with a large LCD and auto power-off for on-the-go professionals.

## Overview

The AEZ-9909 is a professional-grade 5-in-1 digital water quality meter combining TDS, EC, pH, salinity, and temperature measurements. Featuring dual salinity modes for edible salt and seawater, automatic 3-point pH calibration, and an IP67 waterproof rating, it’s designed for accurate, portable testing of pools, aquariums, drinking water, and more. Its large LCD and auto power-off function ensure convenience and battery efficiency for busy professionals.

## Description

Product name: 5 in1 TDS EC meter PH meterColor: BlueTDS measurement range: 0 to 1000ppmEC measurement range: 0 to 10000μS / cmPH measurement range: 0.01-14.00pHSalinometer measurement range: 0.00-25.00%Seawater salinity meter measuring range: 10.1-200.0pptUsable temperature: 0-80 ° C (cannot be used for boiling water)Fahrenheit: 32-176 ℉Battery used: CR2032 button battery x 1Size: 152mm (H) × 29mm (W) × 14mm (D)Weight: about 55g[Water quality measurement / PH measurement / TDS measurement / sugar content measurement]① Remove protective cover and switch on② If you want to use EC / PH / TDS / sugar meter mode, press “Switch and MODE / CAL” button to switch modes③ Soak the titanium probe in water④ Gently stir the water quality meter to eliminate bubbles attached to the probe⑤ Press the “HOLD” button in about 10 seconds to lock the stable value, lift the measuring instrument, and read the measured value⑥Press the switch-off button and wipe the probe.[3-point automatic calibration]"3-point automatic calibration" with automatic temperature compensation. Immerse the electrode in PH (9.18, 6.86, 4.00) standard solution and press the CAL button to calibrate automatically. It is more convenient and saves time than conventional manual PH meters.

## Features

- [5-in-1 water quality meter] TDS, PH, salinity meter, EC meter and temperature measurement are integrated. TDS measurement range: 0-1000ppm, EC measurement range: 0-10000US / cm, PH measurement range: 0.01-14.00pH, salinometer measurement range: 0.00-25.00%, temperature conversion function.
- [Two salinity meters] This product can detect the salinity of edible salt. At the same time, it can detect the salinity of seawater. Food salinity measuring range: 0.00-25.00%, seawater salinity measuring range: 10.1-200.0ppt.
- [Multipurpose test]: Portable TDS meters can be carried anywhere to measure water quality such as tap water, RO system water, aquarium, seawater, pool water.
- [Automatic power-off function & large screen display] The automatic power-off function turns off the power after 5 minutes without any operation to save power. Employs a fully transparent liquid crystal (LCD) to display 4-digit values ​​and the corresponding physical quantity units.
- [Waterproof rating IP67] IP67 is an international waterproof and dustproof certification. Protection against dust intrusion, short-time immersion.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Weight | 159 g |
| Package Dimensions | 23.8 x 8 x 5.11 cm; 159 g |
| Item model number | EZ-9909 |
| Material Type | Crystal |
| Power Source | Battery Powered |

## Images

![5 in 1 TDS/EC/PH/Salinity/Temperature Meter Digital Water Quality Monitor Tester for Pools, Drinking Water, Aquariums AEZ-9909 - Image 1](https://m.media-amazon.com/images/I/61mE6aFxFNL.jpg)
![5 in 1 TDS/EC/PH/Salinity/Temperature Meter Digital Water Quality Monitor Tester for Pools, Drinking Water, Aquariums AEZ-9909 - Image 2](https://m.media-amazon.com/images/I/61MgI8zHQ9L.jpg)
![5 in 1 TDS/EC/PH/Salinity/Temperature Meter Digital Water Quality Monitor Tester for Pools, Drinking Water, Aquariums AEZ-9909 - Image 3](https://m.media-amazon.com/images/I/61ubsnNnN4L.jpg)
![5 in 1 TDS/EC/PH/Salinity/Temperature Meter Digital Water Quality Monitor Tester for Pools, Drinking Water, Aquariums AEZ-9909 - Image 4](https://m.media-amazon.com/images/I/51RrmL8P5fL.jpg)
![5 in 1 TDS/EC/PH/Salinity/Temperature Meter Digital Water Quality Monitor Tester for Pools, Drinking Water, Aquariums AEZ-9909 - Image 5](https://m.media-amazon.com/images/I/512FNQcy3HL.jpg)

## Frequently Bought Together

- RCYAGO 5 in 1 TDS/EC/PH/Salinity/Temperature Meter Digital Water Quality Monitor Tester for Pools, Drinking Water, Aquariums AEZ-9909
- Aquatic Life RO Buddie Plus DI Four Stage Reverse Osmosis Deionization Unit 50 GPD
- Hanna Instruments High Range Nitrate Checker HI782

---

## 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.us/products/283620678-5-in-1-tds-ec-ph-salinity-temperature-meter-digital](https://www.desertcart.us/products/283620678-5-in-1-tds-ec-ph-salinity-temperature-meter-digital)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-28*