---
product_id: 266838968
title: "HM Digital TDS-EZ TDS Meter Handheld PPM Tester"
brand: "hm digital"
price: "FREE"
currency: OMR
in_stock: false
reviews_count: 1
url: https://www.desertcart.com.om/products/266838968-hm-digital-tds-ez-tds-meter-handheld-ppm-tester
store_origin: OM
region: Oman
---

# 0-9990 ppm precision range Battery-free operation, always ready Ultra-light 28.3g handheld design HM Digital TDS-EZ TDS Meter Handheld PPM Tester

**Brand:** hm digital
**Price:** FREE
**Availability:** ❌ Out of Stock

## Summary

> 💧 Stay ahead of the purity curve with precision in your palm!

## Quick Answers

- **What is this?** HM Digital TDS-EZ TDS Meter Handheld PPM Tester by hm digital
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/266838968-hm-digital-tds-ez-tds-meter-handheld-ppm-tester)

## 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

- • **Pocket-Sized Power:** Sleek, lightweight handheld design fits perfectly in your palm or pocket—test anywhere, anytime.
- • **Modern Blue Aesthetic:** Stylish blue finish complements your professional toolkit with a fresh, contemporary vibe.
- • **Precision You Can Trust:** Accurately measures TDS levels from 0 to 9990 ppm for flawless water quality insights.
- • **Eco-Friendly & Hassle-Free:** No batteries required—powered by DC source for uninterrupted, sustainable use.
- • **Instant Readings, Zero Wait:** Get fast, reliable PPM results on the spot to make smarter hydration and filtration decisions.

## Overview

The HM Digital TDS-EZ is a compact, handheld TDS meter offering a wide measurement range of 0-9990 ppm. Weighing just 28.3 grams and requiring no batteries, it delivers fast, accurate water quality readings with a sleek modern design—perfect for professionals who demand reliable, on-the-go testing.

## Description

Product Description: A TDS meter (aka ppm pen, nutrient tester, tds stick) is an inexpensive and convenient digital tool to instantly check your overall water quality. TDS = Total Dissolved Solids, which is any salt, metal or mineral in the water. With the push of a button, the TDS-EZ can tell you your overall water purity level, which will be displayed on the screen in ppm (parts per million). The lower the TDS level, the purer the water, with 0 ppm being pure H2O. The TDS-EZ is great for checking your tap water quality, or knowing when to change a filter. (The meter does not test for biological contaminants.) The TDS-EZ is a great tool for drinking water, water filtration and purification, hydroponics (test your nutrients), aquariums, RO/DI systems, pools and spas, and more.

## Features

- TDS Range: 0-9990 ppm
- Color:Blue

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | HM ELECTRONICS |
| Part number | TDS-EZ |
| Item Weight | 28.3 g |
| Package Dimensions | 19.89 x 10.11 x 2.11 cm; 28.35 g |
| Item model number | Z619 |
| Size | hand held |
| Color | Blue |
| Style | Modern |
| Material | Plastic |
| Power source type | Dc |
| Item Package Quantity | 1 |
| Included components | complete meter |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** HM Digital
- **Power source:** Dc
- **Style:** Modern
- **Colour:** Blue
- **Item weight:** 1 Ounces

## Images

![HM Digital TDS-EZ TDS Meter Handheld PPM Tester - Image 1](https://m.media-amazon.com/images/I/51VsuWcExfL.jpg)

## Questions & Answers

**Q: How does it operate**
A: It works on battery.  How to operate -- you pull off the protective cover, turn it on (press one of its two buttons), the display screen will read "0".  Then dip the probe end into your water, press and hold the 2nd button which takes the TDS reading, and it will beep very quietly to let you know it is done (this takes a second or two).  Release the 2nd button, withdraw the meter from the water, and see the TDS reading which is held on the screen for viewing.  On the reverse side of the meter there's a chart that tells you what range your reading would fall in, and what it means.  (That is expressed in terms of drinking water but if you want it for other purposes such as hydroponics or whatever, you will know the number you want to see so you can adjust your water).  I bought mine after doing a fair bit of comparison research, and found the company is solid, and this model has been produced since 2011.  It's their basic inexpensive but very reliable no-frills meter and if I dropped mine on its head tomorrow, I'd buy this same exact one to replace it with.  One last thing (in my case important, maybe yours also):  If you forget to turn it off, it will turn itself off automatically so you don't blow through battery.

**Q: Whow nany years warranty comes with purchase of meter**
A: Warranty? At $16, it’s essentially disposable. That said, mine has been working >2 years.

**Q: Can the battery be replaced and what size is it?**
A: •Power source: 2 x 1.5V button cell batteries (LR44 or equivalent)

**Q: Can this meter be recalibrated?  Is this done with a screwdriver?**
A: 1)  Select a NIST traceable standard solution.  TDS meters are most accurate when calibrated as close as possible to the sample to be tested.    For best results, calibrate at 77°F.

2) Following the same instructions for testing water, measure the TDS level of the solution .  If the reading is within 2% of the solution, no adjustment is necessary.   If the reading is not within 2%,  use a mini-screwdriver to adjust:

3)  Insert the screwdriver into the small hole on the rear of the meter -  make sure the screwdriver seats evenly into the groove, and try to keep the meter vertical.   

4) Gently turn the screw until your reading matches the solution (within 2%).  Clockwise for up, counterclockwise for down.

5) Very carefully and gently remove the screwdriver - the adjustment is very sensitive and removing the screwdriver too quickly can cause the reading to jump.

6) Once the reading is correct, keep the meter in the solution and press the "Hold" button.  Allow the reading to hold for approximately 10 seconds to stabilize.

7) Remove the meter from the solution and shake the meter to remove any drops of solution from the probes and casing.

8) Turn the meter off, wait a moment, then turn on again.

9) Repeat step (2) to verify the reading.  If the reading is not accurate, repeat the calibration.

## Customer Reviews

### ⭐⭐⭐ Good one
*by M***D on 1 June 2020*

I like it and I keep using it whenever I want to test the water

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.com.om/products/266838968-hm-digital-tds-ez-tds-meter-handheld-ppm-tester](https://www.desertcart.com.om/products/266838968-hm-digital-tds-ez-tds-meter-handheld-ppm-tester)

---

*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-01-22*