---
product_id: 291830566
title: "HM Digital COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro r, 0-5000 ppm TDS Range, 1 ppm Resolution, 2% Readout Accuracy"
brand: "hm digital"
price: "AR$117382"
currency: ARS
in_stock: true
reviews_count: 5
category: "Hm Digital"
url: https://www.desertcart.com.ar/products/291830566-hm-digital-com-80-electrical-conductivity-ec-and-total-dissolved
store_origin: AR
region: Argentina
---

# 0-5000 ppm TDS range 1 ppm resolution precision 2% readout accuracy HM Digital COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro r, 0-5000 ppm TDS Range, 1 ppm Resolution, 2% Readout Accuracy

**Brand:** hm digital
**Price:** AR$117382
**Availability:** ✅ In Stock

## Summary

> 💧 Stay ahead in water quality—because precision is power!

## Quick Answers

- **What is this?** HM Digital COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro r, 0-5000 ppm TDS Range, 1 ppm Resolution, 2% Readout Accuracy by hm digital
- **How much does it cost?** AR$117382 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/291830566-hm-digital-com-80-electrical-conductivity-ec-and-total-dissolved)

## Best For

- hm digital enthusiasts

## Why This Product

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

## Key Features

- • **Versatile & Reliable:** Ideal for hydroponics, pools, aquariums, and commercial water systems—professional-grade testing anywhere.
- • **Energy Efficient Design:** Auto shut-off feature conserves battery life, so it’s ready when you are.
- • **User-Friendly Calibration:** Push-button digital calibration keeps your meter perfectly tuned without hassle.
- • **Precision at Your Fingertips:** Accurately measures EC, TDS, and temperature with 1 ppm resolution for flawless water quality insights.
- • **Smart Temperature Compensation:** Automatic Temperature Compensation (ATC) ensures reliable readings regardless of water temperature fluctuations.

## Overview

The HM Digital COM-80 is a compact, reliable EC/TDS meter offering a 0-5000 ppm range with 1 ppm resolution and 2% accuracy. Featuring automatic temperature compensation, digital calibration, and auto shut-off, it’s perfect for hydroponics, pools, aquariums, and commercial water testing applications.

## Description

Product Description: NEW! The COM-80 is an economically priced, reliable EC/TDS meter (ppm pen / nutrient r) that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. Also great for commercial applications, such as boilers and cooling towers and filtration and purification systems.

Review: Happy , does what it says
Review: Good EC reading

## Features

- Measures electrical conductivity (EC), TDS and temperature.
- Automatic Temperature Compensation (ATC)
- Hold button and Auto shut-off
- Digital Calibration (push button)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B008SOPO10 |
| Item model number | EC/TDS HydroTester Series |
| Manufacturer | HM Digital |
| Product Dimensions | 15.24 x 1.52 x 3.3 cm; 58.97 g |

## Product Details

- **Age range (description):** All Ages
- **Brand:** HM Digital
- **Colour:** Blue
- **Included components:** Protective cap, 3 x 1.5V button cell batteries (LR44 or equivalent)
- **Special features:** Waterproof

## Images

![HM Digital COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro r, 0-5000 ppm TDS Range, 1 ppm Resolution, 2% Readout Accuracy - Image 1](https://m.media-amazon.com/images/I/61o4J+qE4wL.jpg)

## Questions & Answers

**Q: will this measure ammonia?**
A: It will not measure ammonia.

**Q: It serves to measure colloidal silver?**
A: I Use It To Measure The Electrical Conductivity Of Water AndTo Determine The Parts Pert Million Of Any Particulants In A Solution, In My Case Water.

**Q: Does it measure EC with a decimal point, i.e. 3.5?**
A: Depends on scale used.
0 - 9999us scale (1.0 resolution)
0 - 9.9ms scale (0.1 resolution)

**Q: does this measure ph, salt, chlorine levels?**
A: No, this meter measures EC (electroconductivity) and TDS (total dissolved solids) on four scales: EC: µS, mS;  TDS: ppm, ppt

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by D***C on 26 December 2021*

Happy , does what it says

### ⭐⭐⭐⭐⭐ Review
*by A***N on 21 April 2023*

Good EC reading

### ⭐⭐⭐⭐⭐ Review
*by T***G on 17 April 2024*

avec le recul d'utilisation, bon produit assez précis et qui fonctionne parfaitement pour ce qu'on lui demande de faire. très bien pour une utilisation non professionnelle.

## Frequently Bought Together

- HM Digital COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro Tester, 0-5000 ppm TDS Range, 1 ppm Resolution, 2% Readout Accuracy
- HM Digital C342 TDS and EC Calibration Solution, 342 ppm (NaCl), 90 ml Volume, Transparent/Blue
- HM Digital 1000ppm TDS Calibration Solution

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-02-13*