---
product_id: 4233698
title: "HMDCOM100 Waterproof EC/TDS And Amp Temperature Combo Meter"
brand: "hm digital"
price: "₱7217"
currency: PHP
in_stock: true
category: "Hm Digital"
url: https://www.desertcart.ph/products/4233698-hmdcom100-waterproof-ec-tds-and-amp-temperature-combo-meter
store_origin: PH
region: Philippines
---

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

**Brand:** hm digital
**Price:** ₱7217
**Availability:** ✅ In Stock

## Summary

> 💧 Stay ahead in water quality testing with precision and durability you can trust!

## Quick Answers

- **What is this?** HMDCOM100 Waterproof EC/TDS And Amp Temperature Combo Meter by hm digital
- **How much does it cost?** ₱7217 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/4233698-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

- • **Long-Lasting Power:** Up to 100 hours of battery life with auto-off and low-battery indicator for uninterrupted, hassle-free testing.
- • **All-Weather Durability:** IP67-rated waterproof design ensures reliable performance indoors or outdoors, rain or shine.
- • **User-Friendly Interface:** Large, easy-to-read LCD with simultaneous temperature display and digital push-button calibration—no screwdriver needed.
- • **Customizable Calibration:** Three nonlinear EC-to-TDS conversion factors (KCl, 442TM, NaCl) let you tailor readings to your specific application.
- • **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 versatile water quality testing across industries like aquaculture, hydroponics, and environmental monitoring. Featuring fast 0.5-second response, customizable calibration, and a rugged IP67 housing, it delivers reliable, accurate readings with a user-friendly digital interface and up to 100 hours of battery life.

## 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.

## Features

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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0045LQFTK |
| Additional Features | Auto-off function, data-hold function and low-battery indicator., Display: large and easy-to-read LCD screen includes simultaneous temperature reading., Factory Calibrated: The COM-100 meter is calibrated with a 1413 µS solution. The meter can be recalibrated with digital calibration using the push buttons, rather than a screwdriver. |
| Age Range Description | Adult |
| Battery Life | 100 Hours |
| Best Sellers Rank | #47,492 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #6 in Conductivity Meters & Accessories #387 in Lab Meters |
| Brand Name | HM Digital |
| Color | White/Purple |
| Customer Reviews | 4.1 4.1 out of 5 stars (189) |
| 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 |
| 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 | COM-100 |
| Number of Batteries | 1 A batteries required. |
| Outer Material | Plastic |
| Part Number | COM-100 |
| Power Source | Battery Powered |
| Product Care Instructions | Wipe Clean |
| Response Time | 0.5 seconds |
| Reusability | Reusable |
| Smart Home Compatibility | Not Smart Home Compatible |
| Specification Met | UL |
| Style Name | Contemporary |
| UPC | 095225177507 891144000007 |
| Unit Count | 1.0 Count |
| Upper Temperature Range | 130 Degrees Fahrenheit |
| Warranty Description | Limited |

## Product Details

- **Age Range (Description):** Adult
- **Brand:** HM Digital
- **Color:** White/Purple
- **Display Type:** Digital
- **Included Components:** HM Digital HMDCOM100 Waterproof EC/TDS And Amp Temperature Combo Meter
- **Outer Material:** Plastic
- **Product Care Instructions:** Wipe Clean
- **Specification Met:** UL
- **Unit Count:** 1.0 Count

## Images

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

## Available Options

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

## 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.

## 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 Philippines*
*Store origin: PH*
*Last updated: 2026-07-04*