
HM Digital TDS-3 TDS Temp Meter with Case

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Is the HM Digital TDS-3 TDS Temp Meter with Case the Right Choice for You?
The HM Digital TDS-3 TDS Temp Meter is an ideal choice for anyone seeking an affordable and precise tool for measuring water quality. This compact, pen-sized digital meter provides accurate readings for TDS (Total Dissolved Solids), EC (Electrical Conductivity), and temperature, making it a great option for water treatment, purification, and hydroponics.
- Features & Benefits
- Product Specifications
- What is included?
- Warranty Policy
HM Digital TDS-3 TDS Temp Meter with Case
The HM Digital TDS-3 TDS Temp Meter offers an affordable yet highly accurate solution for measuring water quality. Compact in size but big on features, this meter allows you to measure EC (Electrical Conductivity), TDS (Total Dissolved Solids), and temperature all at once. Ideal for applications like water purification, hydroponics, and general water quality monitoring, the TDS-3 ensures reliable results every time. It’s also equipped with a large LCD for easy reading, making it the perfect tool for both professionals and beginners alike.

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Measures EC, TDS, and temperature for comprehensive water analysis.
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Digital calibration for easy and accurate adjustments.
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Large LCD for easy reading in low-light conditions.
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Powered by LR44 batteries with up to 1000 hours of use.
Why Choose the HM Digital TDS-3 TDS Temp Meter with Case?
The HM Digital TDS-3 TDS Temp Meter is designed to offer precise and reliable measurements for your water quality analysis. Compact and portable, this meter allows you to measure Total Dissolved Solids (TDS), Electrical Conductivity (EC), and temperature simultaneously. Whether you're working on water purification, hydroponics, or environmental research, this meter ensures consistent, accurate results. With its large LCD display, digital calibration, and long battery life, the TDS-3 is an ideal tool for both professionals and beginners in water testing.
Why HM Digital?
HM Digital is a trusted name in water quality testing, offering innovative and reliable solutions for growers, aquarium enthusiasts, and professionals. Designed for precision, its advanced meters provide accurate TDS and temperature readings, ensuring optimal water conditions. With user-friendly features like digital calibration and a durable, water-resistant design, HM Digital products help you maintain consistency and efficiency in your water monitoring routine.

Why Buy From Us?
At GreenThumbDepot, you're not just another sale to a faceless corporation. You're partnering with a team genuinely invested in your success. Our legendary customer service, combined with a promise of unbeatable prices, sets us apart. We're here for you, always.
FAQ Section








Specifications
HM Digital TDS-3 TDS Temp Meter with Case Specifications |
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TDS Range | 0 – 9990 ppm (mg/L) |
Temperature Range | 0 – 80°C (32 – 176°F) |
Resolution |
0 – 999 ppm: 1 ppm 1000 – 9990 ppm: 10 ppm (indicated by a ‘x10’ icon) |
Temperature Resolution | 0.1°C (Celsius only) |
Accuracy | ± 2% |
EC-to-TDS Conversion Factor | NaCl (average 0.5) |
Automatic Temperature Compensation (ATC) | Built-in sensor for temperature compensation between 1 – 50°C (33 – 122°F) |
Power Source | 2 x 1.5V button cell batteries (included) (LR44 or equivalent) |
Battery Life | 1000 hours of usage |
Dimensions | 15.5 x 3.1 x 2.3 cm (6.1 x 1.25 x 1 inches) |
Weight with Case | 76.5g (2.7 oz) |
Weight without Case | 56.7g (2 oz) |
What's Included?
The HM Digital TDS-3 TDS Temp Meter with Case package includes:
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One HM Digital TDS-3 TDS Temp Meter for measuring TDS, EC, and temperature levels in water
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Measures TDS, EC, and temperature simultaneously, providing all-in-one water quality analysis
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Equipped with a large LCD for clear, easy-to-read measurements

Warranty Policy
Please check out the manufacturers website for Warranty related issues.