Top 5 Best TDS Meter Brands in India
October 22, 2025
Clean and safe drinking water is one of the most essential needs for a healthy lifestyle. However, how can you be sure that your water is truly pure? That’s where a TDS Meter comes in handy. A TDS (Total Dissolved Solids) Meter measures the concentration of dissolved particles in your water — like salts, minerals, and impurities — helping you determine whether it’s suitable for drinking or needs purification.
With dozens of brands available, finding the best TDS Meter in India can feel overwhelming. Some promise accuracy but fail in durability, while others may lack calibration or proper readings. To make your choice easier, we’ve reviewed and compared the Top 5 Best TDS Meter Brands in India that provide accurate readings, reliable performance, and durable design.
Whether you want to monitor your RO system, test aquarium water, or ensure your tap water is safe to drink, this guide will help you choose the perfect device for your needs.
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Konvio Neer Imported TDS Meter, Total Dissolved Solids Meter, Water Quality Tester – White
₹699
₹299
HM Digital TDS-EZ Water Quality Tester (0–9990 ppm)
₹3590
₹2419
Aptechdeals Digital TDS Meter with Temperature & Water Quality Measurement
₹399
₹149
GLUN® Pre-Calibrated Pen Style Digital TDS Tester
₹799
₹135
Themisto TH-TDS10 Digital TDS Meter
₹399
₹135
What to Look for in a High-Quality TDS Meter
Before jumping into the top products, here’s what makes a great TDS Meter worth buying:
1️⃣ High Accuracy and Fast Reading
Choose meters with digital microprocessor technology for precise readings within seconds.
2️⃣ Automatic Temperature Compensation (ATC)
TDS readings can fluctuate with water temperature — ATC ensures consistency and accuracy.
3️⃣ User-Friendly Design
A clear LCD screen, hold function, and compact build make usage simple for home and professional testing.
4️⃣ Auto Power-Off Feature
Conserves battery life by turning off automatically after inactivity.
5️⃣ Multipurpose Application
Ideal for testing RO water, aquariums, pools, hydroponics, and labs.
6️⃣ Durable Build & Long Battery Life
Water-resistant, sturdy designs with long-lasting battery performance make a big difference in usability.
Konvio Neer Imported TDS Meter, Total Dissolved Solids Meter, Water Quality Tester – White
PROS
✅ Instant and accurate digital reading
✅ Auto shut-off feature for better battery life
✅ Compact and lightweight design
✅ Ideal for RO, aquarium, and hydroponic testing
CONS
❌ Build quality could be sturdier
❌ Screen visibility is low in bright sunlight
❌ May need recalibration occasionally
THE BOTTOM LINE
The Konvio Neer Imported TDS Meter is one of the most trusted and affordable digital TDS meters in India. Designed for both home and professional use, this device ensures you always know whether the water you consume is truly pure.
This Total Dissolved Solids Meter uses an intelligent detection chip that gives instant, accurate readings on its clear digital display. Within seconds, you can measure the TDS levels of your RO system, aquariums, and tap water. The auto shut-off function conserves battery life by turning off the meter after 10 minutes of inactivity.
Ideal for testing drinking water, RO filters, aquariums, and hydroponic systems, the Konvio Neer TDS Meter ensures you always stay informed about your water quality.
Konvio Neer Imported TDS Meter, Total Dissolved Solids Meter, Water Quality Tester – White
₹699
₹299
HM Digital TDS-EZ Water Quality TDS Tester (0–9990 ppm)
PROS
✅ Wide measurement range up to 9990 ppm
✅ High precision microprocessor technology
✅ Auto power-off saves battery
✅ Durable translucent blue design
✅ Easy to recalibrate
CONS
❌ Slightly costlier than entry-level models
❌ No temperature reading
❌ Not fully waterproof
THE BOTTOM LINE
The HM Digital TDS-EZ Water Quality Tester is known for its professional accuracy and durable build. With a measurement range of 0–9990 ppm, it’s ideal for both home and industrial use.
Equipped with advanced microprocessor technology, it ensures fast, precise readings. The hold function allows you to save measurements, and the large LCD screen ensures easy visibility. It also has an auto-off function for energy efficiency.
Calibrated with a 342 ppm NaCl solution, it comes ready to use and includes a TDS chart on the back explaining the reading levels — perfect for beginners and experts alike.
Aptechdeals Digital TDS Meter with Temperature & Water Quality Measurement
PROS
✅ Dual measurement: TDS and temperature
✅ Fast and accurate readings
✅ Sleek, ergonomic design
✅ Suitable for home and professional use
✅ Budget-friendly with good performance
CONS
❌ Calibration may drift over time
❌ Average battery backup
❌ Display visibility in dim light could improve
THE BOTTOM LINE
The Aptechdeals TDS Meter brings a dual advantage — measuring both TDS and water temperature simultaneously. This feature makes it one of the most versatile and efficient water quality testing tools available.
Compact yet powerful, it ensures precise readings for RO systems, aquariums, and laboratory setups. Its high-sensitivity sensors quickly detect impurities, while the easy-to-hold design enhances comfort during testing.
GLUN® Pre-Calibrated Pen Style Digital TDS Tester
PROS
✅ Ready to use (pre-calibrated)
✅ Fast, accurate readings within seconds
✅ Compact and portable pen-style design
✅ Auto power-off for longer battery life
✅ Reusable and eco-friendly
CONS
❌ Not ideal for industrial testing
❌ No temperature display
❌ Lag in high TDS readings
THE BOTTOM LINE
The GLUN® Pre-Calibrated TDS Meter is an ultra-convenient, compact, and pre-calibrated device designed for quick water quality checks. With no setup required, it’s ideal for everyday users who need instant accuracy.
Its pen-style design makes it portable and easy to store, while the auto power-off feature saves battery life. Whether you’re testing RO water, aquariums, pools, or hydroponic solutions, this TDS tester gives instant and precise results.
Themisto TH-TDS10 Digital TDS Meter
PROS
✅ Titanium alloy probe ensures high accuracy
✅ Automatic Temperature Compensation (ATC)
✅ Durable, premium-quality build
✅ Auto-off and hold functions included
✅ Works well across multiple water sources
CONS
❌ Slightly larger body size
❌ Calibration may need periodic adjustment
❌ No rechargeable battery option
THE BOTTOM LINE
The Themisto TH-TDS10 is a professional-grade water testing meter that combines accuracy, durability, and advanced features. Equipped with a premium titanium alloy probe, it ensures high precision, while Automatic Temperature Compensation (ATC) adjusts readings based on temperature changes for consistent accuracy.
Its auto-off and hold functions enhance convenience, and the wide measurement range of 0–9990 ppm makes it suitable for almost any water testing scenario — from aquariums to hydroponics and pools.
FAQs – Top 5 Best TDS Meter Brands in India
Q1. What is a TDS Meter used for?
A TDS Meter measures the Total Dissolved Solids in water, such as minerals, salts, and impurities. It helps you assess if your water is pure and safe to drink.
Q2. Which is the best TDS Meter brand in India?
Some of the best brands include Konvio Neer, HM Digital, GLUN®, Aptechdeals, and Themisto, known for accuracy and durability.
Q3. What is the ideal TDS level for drinking water?
A TDS range of 50–150 ppm is ideal for drinking water. Anything above 500 ppm may require filtration or purification.
Q4. How often should I test water with a TDS Meter?
You should test your RO or tap water every 10–15 days to ensure it remains within safe limits.
Q5. Do all TDS meters show water temperature?
No, only some models like Aptechdeals and Themisto TH-TDS10 offer temperature measurement or ATC features.