
HM Digital TDS-4TM Pocket-Size TDS Meter
Product Summary:
The HM Digital TDS-4TM is a compact and reliable handheld TDS meter with an integrated digital thermometer, ideal for measuring Total Dissolved Solids in freshwater aquariums, ponds, and filtration systems.
Key Features:
Compact and portable pocket-sized design
Built-in digital thermometer for dual functionality
Hold function for convenient reading
Auto-off feature after 10 minutes to conserve battery
Factory calibrated with 342 ppm NaCl solution
One-year warranty
Applications:
Monitoring TDS and temperature in freshwater aquariums
Testing RO and DI water filtration systems
Ensuring water quality in hydroponics and aquaculture
Ideal for home water systems and ponds
Product Benefits:
Ensures healthier aquatic environments
Helps determine optimal time to change filters/membranes
Easy to carry and operate with single-handed use
Reduces maintenance guesswork for water systems
FAQs
Q1. Can I use the TDS-4TM for saltwater aquariums?
A. This meter is best suited for freshwater applications. For saltwater, a salinity-specific meter is recommended.
Q2. How often should I calibrate the TDS-4TM?
A. The meter is factory calibrated, but periodic calibration (every 6 months) with a 342 ppm solution is suggested for accuracy.
Q3. What does the thermometer measure – water or ambient temperature?
A. The thermometer measures the temperature of the water sample it is immersed in.