---
product_id: 42468543
title: "VIVOSUN Digital pH and TDS Meter Kits, 0.01pH High Accuracy Pen Type pH Meter ± 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter for Hydroponics, Pool and Aquarium, Yellow Blue, UL Certified"
brand: "vivosun"
price: "$58.29"
currency: USD
in_stock: true
reviews_count: 8
category: "Vivosun"
url: https://www.desertcart.ec/products/42468543-vivosun-digital-ph-and-tds-meter-kits-0-01ph-high
store_origin: EC
region: Ecuador
---

# ±2% TDS accuracy 0.01 pH precision Temp range 0.1-80°C VIVOSUN Digital pH and TDS Meter Kits, 0.01pH High Accuracy Pen Type pH Meter ± 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter for Hydroponics, Pool and Aquarium, Yellow Blue, UL Certified

**Brand:** vivosun
**Price:** $58.29
**Availability:** ✅ In Stock

## Summary

> 💧 Master your water quality like a pro—because precision is the new power.

## Quick Answers

- **What is this?** VIVOSUN Digital pH and TDS Meter Kits, 0.01pH High Accuracy Pen Type pH Meter ± 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter for Hydroponics, Pool and Aquarium, Yellow Blue, UL Certified by vivosun
- **How much does it cost?** $58.29 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/42468543-vivosun-digital-ph-and-tds-meter-kits-0-01ph-high)

## 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

- • **Portable & Ready to Go:** Lightweight pen design with protective case—calibrated and battery-included for instant use.
- • **Triple-Action Testing Power:** 3-in-1 TDS, EC, and temperature meter covers all your hydroponic and aquatic needs.
- • **Versatile for Every Water Source:** Perfect for aquariums, pools, RO systems, and home water testing—stay ahead of contamination.
- • **Lab-Grade Precision in Your Hands:** Ultra-fine 0.01 pH resolution ensures you never miss a detail in water quality.
- • **Trusted Accuracy with UL Certification:** Reliable ±2% readout accuracy backed by UL certification for peace of mind.

## Overview

The VIVOSUN Digital pH and TDS Meter Kit offers ultra-precise 0.01 pH measurement, ±2% accuracy for TDS and EC, and temperature readings from 0.1 to 80°C. Designed for hydroponics, aquariums, pools, and home water testing, this UL-certified, handheld kit comes fully calibrated with batteries and a protective case, delivering lab-grade water quality insights wherever you go.

## Description

VIVOSUN Digital pH and TDS Meter Kits, 0.01pH High Accuracy Pen Type pH Meter ± 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter for Hydroponics, Pool and Aquarium, Yellow Blue, UL Certified: desertcart.com: Industrial & Scientific

Review: Appear to work well - After reading several reviews on this and other similar models I decided on this two pack PH and TDS. I recently installed a reverse osmosis under kitchen sink with a tds digital display and wanted another way to check its accuracy along with what ph the RO water was putting out. Item arrived quickly and after reading instructions I decided to give it a test. Batteries were already installed and additional batteries were included so that and they both were already calibrated so two pluses from the start. I filled a glass with reverse osmosis water and another from bathroom sink. Tds for bathroom were 107 compared to RO water of 9. This is the same reading my RO system shows so I assume its pretty accurate. Next I tested the PH. Ro water was higher than bath sink water but this units numbers jumped around a bit. Although the numbers did not display steadily i was able to get a good reading and am pleased with the results. For the price I find the two units a great bargain and much better than the water test strips I was using. After my initial tests I highly recommend these products as they appear to be accurate and easy to read.
Review: Good product - pH meter needs calibrated upon arrival - The ppm meter comes ready to use, the pH meter needs to be calibrated before use with the provided materials. It works well and is pretty fast.

## Features

- Application: Great for all home and laboratory TDS & pH testing applications including aquariums, swimming pools
- PH Meter: Full measurement range of pH 0 - 14, reliable and quick readings
- 3-in-1 TDS Meter: Measurement Range 0-9990ppm, 0-9990µs/cm; Accuracy ± 2%, 0.1- 80.0°C, 32.0-176.0°F; Note: This meter can't test sea water
- Features: Comes with protective case; Lightweight, handheld design for portability and convenience
- Included: PH meter, 3-in-1 TDS meter, 3 calibration buffers

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B06XKMH86J |
| Best Sellers Rank | #466 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Lab pH Meters |
| Brand | VIVOSUN |
| Brand Name | VIVOSUN |
| Customer Reviews | 4.0 out of 5 stars 32,238 Reviews |
| Included Components | Test pH, TDS, EC & Temp Value |
| Item Weight | 0.1 Kilograms |
| Manufacturer | VIVOSUN |
| Material | Plastic |
| Material Type | Plastic |
| Ph Range | 0-14 |
| Recommended Uses For Product | Aquarium, Home Water, Swimming Pool, Water Test |
| Sterility Rating | 0-14 |
| UPC | 615435160962 |

## Product Details

- **Brand:** VIVOSUN
- **Manufacturer:** VIVOSUN
- **Ph Range:** 0-14
- **Recommended Uses For Product:** Aquarium, Home Water, Swimming Pool, Water Test
- **UPC:** 615435160962

## Images

![VIVOSUN Digital pH and TDS Meter Kits, 0.01pH High Accuracy Pen Type pH Meter ± 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter for Hydroponics, Pool and Aquarium, Yellow Blue, UL Certified - Image 1](https://m.media-amazon.com/images/I/61saEhctTWL.jpg)

## Available Options

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

## Questions & Answers

**Q: I have purchased 2 of these, why are they so inaccurate?**
A: If you calibrate ANY PH meter using the mix it yourself "calibration" solutions, accuracy will be impossible. I just purchased this meter set, and discovered the distilled water I use was ph4 and below! I have the "other" style cheap meter, that has proven very stable for me, and after checking it in GHP 7.0 calibration solution, used it to test the accuracy of this relentlessly poor example of a ph testing system. 
First off, the solution instructions make no mention what the ph of the distilled water needs to be. My 4.0 water mixed with the 4.0 and 6.86 powder, resulted in a solution of 3.3 and 6.0 instead, so IMO, the MIY calibration solutions are a joke, as are ph meters that calibrate on the 6.86 standard instead of 7.0.

**Q: If i use a 7.0 calibration solution will the automatic calibration be off by .14 since it comes with a 6.86 calibratind powder?**
A: Yes! I recently calibrated with 7.0. Prior to calibration, it read the 7.0 solution at 7.0, calibrated with 7.0 solution it now reads 7.18. Find the correct calibration solution

**Q: If my tap water is between 6.5 and 7.0 ph do i need to add the ph up and down liquid i bought for indoor cannabis grow? What about ppm?**
A: If you’re growing in soil 6.5 is perfect if you’re growing in Hydro/water do you want to be around 5.8 say you’re at 7.0 PH I would just add a couple drops per gallonTo get it down two around 6.5

**Q: If I choose EC, does it retain the setting after power cycles?**
A: Yes, but my meter randomly switched back to TDS.  The "EC" does not show a decimal, and the numbers are too close to TDS. If you don't pay attention, you will hurt your plants.

Do not purchase.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Appear to work well
*by J***K on January 9, 2026*

After reading several reviews on this and other similar models I decided on this two pack PH and TDS. I recently installed a reverse osmosis under kitchen sink with a tds digital display and wanted another way to check its accuracy along with what ph the RO water was putting out. Item arrived quickly and after reading instructions I decided to give it a test. Batteries were already installed and additional batteries were included so that and they both were already calibrated so two pluses from the start. I filled a glass with reverse osmosis water and another from bathroom sink. Tds for bathroom were 107 compared to RO water of 9. This is the same reading my RO system shows so I assume its pretty accurate. Next I tested the PH. Ro water was higher than bath sink water but this units numbers jumped around a bit. Although the numbers did not display steadily i was able to get a good reading and am pleased with the results. For the price I find the two units a great bargain and much better than the water test strips I was using. After my initial tests I highly recommend these products as they appear to be accurate and easy to read.

### ⭐⭐⭐⭐⭐ Good product - pH meter needs calibrated upon arrival
*by P***G on January 23, 2026*

The ppm meter comes ready to use, the pH meter needs to be calibrated before use with the provided materials. It works well and is pretty fast.

### ⭐⭐⭐⭐ Good Value, but the pH Meter Is Slow
*by D***S on October 25, 2025*

The TDS meter works very well, especially considering the low price — it gives quick and reliable readings. However, the pH meter takes a bit longer to stabilize and provide an accurate measurement. Overall, it’s a useful and affordable kit for basic water quality testing, but be patient with the pH readings.

## Frequently Bought Together

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*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-02-01*