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.