---
product_id: 72620744
title: "HM Digital COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro Tester, 0-5000 ppm TDS Range, 1 ppm Resolution, 2% Readout Accuracy"
brand: "hm digital"
price: "€ 86.90"
currency: EUR
in_stock: true
url: https://www.desertcart.gr/products/72620744-hm-digital-com-80-electrical-conductivity-ec-and-total-dissolved
store_origin: GR
region: Greece
---

# 0-9990 µS EC range 0-5000 ppm TDS precision Automatic Temperature Compensation HM Digital COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro Tester, 0-5000 ppm TDS Range, 1 ppm Resolution, 2% Readout Accuracy

**Brand:** hm digital
**Price:** € 86.90
**Availability:** ✅ In Stock

## Summary

> 💧 Stay ahead of the curve with precision water testing in your pocket!

## Quick Answers

- **What is this?** HM Digital COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro Tester, 0-5000 ppm TDS Range, 1 ppm Resolution, 2% Readout Accuracy by hm digital
- **How much does it cost?** € 86.90 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/72620744-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

- • **Compact & Portable:** Lightweight 59g tester fits perfectly in your toolkit or pocket for anytime testing.
- • **Instant, Clear Digital Display:** High-resolution 1 ppm readout for quick, confident decisions on the go.
- • **Versatile Multi-Scale Readings:** Four measurement scales (µS, mS, ppm, ppt) to cover all your water quality needs.
- • **Built for Real-World Conditions:** Water-resistant design ensures durability in hydroponics, pools, and aquariums.
- • **Precision that Powers Your Growth:** Measures EC and TDS with ±2% accuracy for reliable nutrient testing.

## Overview

The HM Digital COM-80 is a compact, battery-powered EC and TDS meter offering precise water quality measurements with a 0-5000 ppm TDS range and ±2% accuracy. Featuring four measurement scales and automatic temperature compensation, it’s water-resistant and ideal for hydroponics, aquariums, pools, and commercial water systems.

## Description

HM Digital COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro Tester, 0-5000 ppm TDS Range, 1 ppm Resolution, 2% Readout Accuracy

## Features

- Measures electrical conductivity (EC), total dissolved solids (TDS). Exellent for nutrient testing.
- Four scales: EC: µS, mS; TDS: ppm, ppt
- Automatic Temperature Compensation (ATC)
- Water resistant

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | HM Digital |
| Part number | COM-80 |
| Item Weight | 59 g |
| Product Dimensions | 15.24 x 1.52 x 3.3 cm; 58.97 g |
| Batteries | 3 LR44 batteries required. |
| Item model number | EC/TDS HydroTester Series |
| Size | 0-5000 ppm TDS Range, 1 ppm Resolution, +/- 2% Readout Accuracy |
| Colour | White |
| Style | Tester |
| Power source type | Battery Powered |
| Item Package Quantity | 1 |
| Number of Pieces | 1 |
| Temperature Range | 33/176 Degrees Fahrenheit |
| Display style | Digital |
| Specification met | 0-9990 µS; 0-5000 ppm; 0-9.9 mS; 0-5.0 ppt |
| Special Features | Waterproof |
| Included components | Protective cap, 3 x 1.5V button cell batteries (LR44 or equivalent) |
| Batteries included? | No |
| Batteries Required? | No |
| Battery Cell Type | Alkaline |

## Product Details

- **Brand:** HM Digital
- **Special feature:** Waterproof
- **Colour:** White
- **Age range (description):** Adult
- **Included components:** Protective cap, 3 x 1.5V button cell batteries (LR44 or equivalent)
- **Outer material:** Plastic or Rubber
- **Specification met:** 0-9990 µS; 0-5000 ppm; 0-9.9 mS; 0-5.0 ppt
- **Display type:** Digital
- **Product care instructions:** Wipe Clean
- **Unit count:** 1.0 Count

## Images

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

## Available Options

This product comes in different **Style Name** options.

## 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

## 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 Greece*
*Store origin: GR*
*Last updated: 2026-02-24*