---
product_id: 269852632
title: "HMDCOM100 Waterproof EC/TDS And Amp Temperature Combo Meter"
brand: "hm digital"
price: "AED 291"
currency: AED
in_stock: true
reviews_count: 7
category: "Hm Digital"
url: https://www.desertcart.ae/products/269852632-hmdcom100-waterproof-ec-tds-and-amp-temperature-combo-meter
store_origin: AE
region: United Arab Emirates
---

# 0.5s Fast Response Time Measures EC, TDS & Temp IP67 Waterproof Rating HMDCOM100 Waterproof EC/TDS And Amp Temperature Combo Meter

**Brand:** hm digital
**Price:** AED 291
**Availability:** ✅ In Stock

## Summary

> 💧 Stay ahead with precision water testing that never quits!

## Quick Answers

- **What is this?** HMDCOM100 Waterproof EC/TDS And Amp Temperature Combo Meter by hm digital
- **How much does it cost?** AED 291 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ae](https://www.desertcart.ae/products/269852632-hmdcom100-waterproof-ec-tds-and-amp-temperature-combo-meter)

## 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

- • **Instant Readings:** Ultra-fast 0.5 second response time means no waiting—get precise data when it matters most.
- • **User-Friendly Design:** Large digital display, low battery indicator, and lightweight form factor make professional testing effortless anywhere.
- • **All-Weather Durability:** IP67 waterproof housing ensures reliable performance in wet, outdoor, or industrial environments without worry.
- • **Versatile Scale Options:** Four measurement scales (µS, mS, ppm, ppt) plus three nonlinear EC to TDS conversion factors for tailored accuracy.
- • **Triple-Parameter Precision:** Simultaneously measures electrical conductivity, total dissolved solids, and temperature for comprehensive water quality insights.

## Overview

The HM Digital HMDCOM100 is a professional-grade, waterproof EC/TDS/temperature combo meter designed for accurate, fast, and versatile water quality testing across applications like hydroponics, labs, pools, and environmental monitoring. Featuring IP67 waterproofing, multiple measurement scales, and a rapid 0.5-second response, it delivers reliable data in any setting with ease.

## Description

Product description: HM Digital's COM-100 is a waterproof combination EC/TDS/Temperature meter that is ideal for all water quality testing, water purification applications, drinking water, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more. The COM-100 is a professional level EC/TDS meter at an unbeatable price.

Review: Great product for checking water quality. - Great product for checking water quality.
Review: اي احد يحتاج يقيس اي TDS هذا الخيار الافضل ، وبيكون الافضل بين كل الاجهزة ان شاء الله

## Features

- Measures electrical conductivity (EC), total dissolved solids (TDS), and temperature
- Four scales: µS, mS, ppm, ppt (mS and ppt are new)
- Three different nonlinear ECtoTDS conversion factors (KCl, 442TM, NaCl).
- Waterproof housing (IP67 rating)
- Measurement Range: 09990 µS; 08560 ppm; 09.99 mS; 08.56 ppt

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0045LQFTK |
| Item model number | COM-100 |
| Manufacturer | HM Digital |
| Product Dimensions | 22.61 x 7.37 x 5.33 cm; 120 g |

## Product Details

- **Age range (description):** Adult
- **Brand:** HM Digital
- **Colour:** White/Purple
- **Included components:** HM Digital HMDCOM100 Waterproof EC/TDS And Amp Temperature Combo Meter
- **Special features:** High Accuracy, Large Display, Waterproof, Low Battery Indicator

## Images

![HMDCOM100 Waterproof EC/TDS And Amp Temperature Combo Meter - Image 1](https://m.media-amazon.com/images/I/51hfD5nFZmL.jpg)

## Questions & Answers

**Q: Can this unit be used to test PH?**
A: FROM HM DIGITAL: The COM-100 is NOT a pH meter. It measures EC (electrical conductivity), TDS (total dissolved solids) and temperature. For pH, please purchase HM Digital's PH-200. For more information, please visit www.tdsmeter.com

**Q: My meter want read over 999 or am I looking at the wrong ppm?**
A: Select 442 scale. Your meter will read more than 999 ppm.

**Q: Any trouble measuring in mS?**
A: FROM HM-DIGITAL: The COM-100 is a professional waterproof EC/TDS meter that has three EC-TDS conversion factors and selectable modes allowing you to measure in the µs, mS, ppm and ppt scales. For more information, please visit, www.tdsmeter.com/products/com100.html

**Q: Isn't one supposed to use calibrating and cleaning solution with this?**
A: I clean mine with a wet Q-tip. There is a TDS calibration solution I use when I recalibrate every month.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great product for checking water quality.
*by S***L on 24 March 2020*

Great product for checking water quality.

### ⭐⭐⭐⭐⭐ Review
*by A***H on 17 March 2024*

اي احد يحتاج يقيس اي TDS هذا الخيار الافضل ، وبيكون الافضل بين كل الاجهزة ان شاء الله

### ⭐⭐⭐⭐⭐ Review
*by B***M on 21 June 2025*

Great meter. Near instant readings, accurate, easy to calibrate and best of all, waterproof. I’ve accidentally dropped the whole meter into water, completely submerged for a few seconds with no problems.

## Frequently Bought Together

- HM Digital HMDCOM100 Waterproof EC/TDS And Amp Temperature Combo Meter
- 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 United Arab Emirates*
*Store origin: AE*
*Last updated: 2026-04-23*