---
product_id: 269852632
title: "HM Digital HMDCOM100 Waterproof EC/TDS And Amp Temperature Combo Meter"
brand: "hm digital"
price: "₹ 9812"
currency: INR
in_stock: true
reviews_count: 8
category: "Hm Digital"
url: https://www.desertcart.in/products/269852632-hm-digital-hmdcom100-waterproof-ec-tds-and-amp-temperature-combo
store_origin: IN
region: India
---

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

**Brand:** hm digital
**Price:** ₹ 9812
**Availability:** ✅ In Stock

## Summary

> 💧 Stay ahead of water quality with precision that flows as fast as you do!

## Quick Answers

- **What is this?** HM Digital HMDCOM100 Waterproof EC/TDS And Amp Temperature Combo Meter by hm digital
- **How much does it cost?** ₹ 9812 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.in](https://www.desertcart.in/products/269852632-hm-digital-hmdcom100-waterproof-ec-tds-and-amp-temperature-combo)

## 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

- • **Long-Lasting Power:** Up to 100 hours of battery life with low battery indicator keeps you testing without interruption.
- • **Triple Parameter Mastery:** Simultaneously measures Electrical Conductivity, Total Dissolved Solids, and Temperature for comprehensive water quality insights.
- • **Precision Meets Durability:** Waterproof IP67 design ensures reliable use in any environment, from labs to outdoor aquaculture.
- • **Instant Readings, Zero Wait:** Ultra-fast 0.5 second response time means no more waiting—get precise data when it matters most.
- • **Customizable Conversion Factors:** Three nonlinear EC to TDS conversion modes (KCl, 442TM, NaCl) for tailored accuracy across applications.

## Overview

The HM Digital HMDCOM100 is a professional-grade, waterproof EC/TDS/Temperature combo meter designed for fast, accurate water quality testing across diverse applications including hydroponics, labs, and environmental monitoring. Featuring IP67 waterproof housing, three customizable EC to TDS conversion factors, and a rapid 0.5-second response time, it delivers reliable data with a large digital display and up to 100 hours of battery life—perfect for the proactive professional who demands precision and durability.

## 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: Good quality - Good build and good quality Easy to use Good brand
Review: Great product for checking water quality. - Great product for checking water quality.

## 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 |
| Additional Features | High Accuracy, Large Display, Waterproof, Low Battery Indicator |
| Age Range Description | Adult |
| Age range (description) | Adult |
| Battery Life | 100 Hours |
| Brand | HM Digital |
| Brand Name | HM Digital |
| Color | White/Purple |
| Colour | White/Purple |
| Customer Reviews | 4.2 out of 5 stars 175 Reviews |
| Display Type | digital |
| Global Trade Identification Number | 00891144000007 |
| Immersion Depth | 1 Meters |
| Included Components | HM Digital HMDCOM100 Waterproof EC/TDS And Amp Temperature Combo Meter |
| Included components | HM Digital HMDCOM100 Waterproof EC/TDS And Amp Temperature Combo Meter |
| Indoor Outdoor Usage | Outdoor |
| Item Length | 8.9 Inches |
| Item Type Name | HM Digital HMDCOM100 Waterproof EC/TDS And Amp Temperature Combo Meter |
| Item Weight | 120 Grams |
| Manufacturer | HM Digital |
| Model | COM-100 |
| Model Name | HMDCOM100 |
| Number of Batteries | 1 A batteries required. |
| Outer Material | Plastic |
| Outer material | Plastic |
| Part Number | COM-100 |
| Power Source | Battery Powered |
| Product Care Instructions | Wipe Clean |
| Resolution | 0.1 degree fahrenheit |
| Response Time | 0.5 seconds |
| Reusability | Rechargeable |
| Special features | High Accuracy, Large Display, Waterproof, Low Battery Indicator |
| Specification Met | UL |
| Style Name | Contemporary |
| UPC | 095225177507 891144000007 |
| Unit Count | 1 Count |
| Upper Temperature Range | 80 Degrees Celsius |

## 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

![HM Digital HMDCOM100 Waterproof EC/TDS And Amp Temperature Combo Meter - Image 1](https://m.media-amazon.com/images/I/51hfD5nFZmL.jpg)
![HM Digital HMDCOM100 Waterproof EC/TDS And Amp Temperature Combo Meter - Image 2](https://m.media-amazon.com/images/I/61IzVp26pKL.jpg)
![HM Digital HMDCOM100 Waterproof EC/TDS And Amp Temperature Combo Meter - Image 3](https://m.media-amazon.com/images/I/61tCsxZirvL.jpg)
![HM Digital HMDCOM100 Waterproof EC/TDS And Amp Temperature Combo Meter - Image 4](https://m.media-amazon.com/images/I/71wQtNYPw7L.jpg)
![HM Digital HMDCOM100 Waterproof EC/TDS And Amp Temperature Combo Meter - Image 5](https://m.media-amazon.com/images/I/71qEIrsAZOL.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

### ⭐⭐⭐⭐⭐ Good quality
*by A***S on 18 April 2026*

Good build and good quality Easy to use Good brand

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

Great product for checking water quality.

### ⭐⭐⭐⭐⭐ هذا الجهاز المهم لكل كوفي شوب يقيس فيه الTDS ، وسعره فيه
*by A***H on 17 March 2024*

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

## 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 India*
*Store origin: IN*
*Last updated: 2026-08-13*