---
product_id: 274740366
title: "VIVOSUN TDS Tester 3-in-1 TDS EC & Temperature Meter Ultrahigh Accuracy Digital Water Quality TDS Tester (Blue)"
brand: "vivosun"
price: "VT8641"
currency: VUV
in_stock: true
reviews_count: 5
category: "Vivosun"
url: https://www.desertcart.vu/products/274740366-vivosun-tds-tester-3-in-1-tds-ec-and-temperature
store_origin: VU
region: Vanuatu
---

# 3-in-1 TDS, EC & Temp ±2% Ultrahigh Accuracy Auto-off & Long Battery Life VIVOSUN TDS Tester 3-in-1 TDS EC & Temperature Meter Ultrahigh Accuracy Digital Water Quality TDS Tester (Blue)

**Brand:** vivosun
**Price:** VT8641
**Availability:** ✅ In Stock

## Summary

> 💧 Stay ahead of contamination—because clean water is the new luxury!

## Quick Answers

- **What is this?** VIVOSUN TDS Tester 3-in-1 TDS EC & Temperature Meter Ultrahigh Accuracy Digital Water Quality TDS Tester (Blue) by vivosun
- **How much does it cost?** VT8641 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/274740366-vivosun-tds-tester-3-in-1-tds-ec-and-temperature)

## Best For

- vivosun enthusiasts

## Why This Product

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

## Key Features

- • **Smart Power Management:** Auto-off feature and low power consumption extend battery life, so your meter is ready when you are.
- • **Effortless Data Capture:** Large LCD screen with data-hold function locks your readings for easy logging and sharing—perfect for busy pros.
- • **Precision You Can Trust:** Factory calibrated with ±2% accuracy ensures every reading is reliable—no guesswork, just confidence.
- • **Compact & Durable Design:** Lightweight titanium alloy body fits in your pocket or toolkit, built to last through all your water testing needs.
- • **Triple-Check Your Water Quality:** Simultaneously measures Total Dissolved Solids, Electrical Conductivity, and Temperature for a full-spectrum water health snapshot.

## Overview

The VIVOSUN TDS Tester is a sleek, 3-in-1 digital meter that accurately measures total dissolved solids, electrical conductivity, and temperature with ±2% precision. Featuring a large LCD display, data-hold function, and smart auto-off power saving, it’s designed for professionals and health-conscious users who demand reliable water quality insights on the go.

## Description

VIVOSUN TDS Tester 3-in-1 TDS EC & Temperature Meter Ultrahigh Accuracy Digital Water Quality TDS Tester (Blue) : desertcart.ae: Tools & Home Improvement

Review: When I first tried it out the readings weren't very accurate and it errored out when testing tap water. I replaced the battery and it works great, very consistent. The good thing is the batteries are inexpensive, worth it.
Review: Its is as described and works as described and cost almost nothing. I cant complain about a thing. 5 of 5 I payed $9.99

## Features

- Multi-functional: Provides accurate and reliable test readings; 3-in-1 digital tds meter provides accurate readings for TDS (total dissolved solids) EC (electrical conductivity) and temperature
- Useful Tool: Saves you money while protecting your health; Home water test kit alerts you when it’s time to change filters to remove contaminants from your water
- Easy to Use: Locks your reading making it easy to record; Large, easy to read LCD screen and data-hold function makes reading and recording a snap
- Long Battery Life: Auto-off function saves on battery usage and our TDS meter has lower power consumption than HM TDS meter
- Measurement Range: 0-9990ppm, 0-9990µs/cm; Accuracy: ± 2%, 0.1- 80.0°C, 32.0-176.0°F.; Factory calibrated; Automatic temperature compensation

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01N2O1Z5B |
| ASIN  | B01N2O1Z5B |
| Batteries Included? | No |
| Batteries Required? | No |
| Color | TDS |
| Customer Reviews | 4.2 4.2 out of 5 stars (678) |
| Customer reviews | 4.2 4.2 out of 5 stars (678) |
| Date First Available | 8 December 2017 |
| Date First Available  | 8 December 2017 |
| Display Style | LCD |
| Included components | Battery |
| Is Discontinued By Manufacturer  | No |
| Item Weight | 70 g |
| Item model number | 305132-PEN |
| Item model number  | 305132-PEN |
| Manufacturer | VIVOSUN |
| Manufacturer  | VIVOSUN |
| Material | Titanium Alloy |
| Part number | 305132-PEN |
| Power source type | Battery Powered |
| Product Dimensions | 15.24 x 1.27 x 3.05 cm; 70 g |
| Product Dimensions  | 15.24 x 1.27 x 3.05 cm; 70 g |
| Special Features | High Accuracy |
| Specification met | High Accuracy |
| Style | Digital |

## Product Details

- **Brand:** VIVOSUN
- **Manufacturer:** VIVOSUN
- **Recommended uses for product:** Aquarium, Home Water, Hot Tub, Spa, Swimming Pool, Tap Water, Water Test, Well Water
- **UPC:** 714119465604
- **Unit count:** 1.0 Count

## Images

![VIVOSUN TDS Tester 3-in-1 TDS EC & Temperature Meter Ultrahigh Accuracy Digital Water Quality TDS Tester (Blue) - Image 1](https://m.media-amazon.com/images/I/51CxPw9KSzL.jpg)

## Available Options

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

## Questions & Answers

**Q: How to use this?  I am confused as to what the numbers should read and what water to test...sorry**
A: Im using the meter to test my well water to find out what particulates are in my water.  The numbers can range from 0-????, every area is different for all types of water. If you need a graph that shows what your water particulates should range.  Google is your answer.

**Q: How do you change the batteries?**
A: Gatbage

**Q: Do you have to calibrate?**
A: No

**Q: Do tds meters need to be kept in storage solution?**
A: Garbage

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by A***N on 21 October 2024*

When I first tried it out the readings weren't very accurate and it errored out when testing tap water. I replaced the battery and it works great, very consistent. The good thing is the batteries are inexpensive, worth it.

### ⭐⭐⭐⭐⭐ Review
*by M***D on 10 February 2026*

Its is as described and works as described and cost almost nothing. I cant complain about a thing. 5 of 5 I payed $9.99

### ⭐⭐⭐⭐⭐ Review
*by A***E on 28 December 2024*

Ich habe mit diese Schöne Messgerät paar Mal hintereinander Das Wasser Qualität gemessen immer die gleichen Werte also das Gerät messt wirklich genau preis ist auch ok kann ich nur empfehlen.

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**Shop now:** [https://www.desertcart.vu/products/274740366-vivosun-tds-tester-3-in-1-tds-ec-and-temperature](https://www.desertcart.vu/products/274740366-vivosun-tds-tester-3-in-1-tds-ec-and-temperature)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-03-19*