HM Digital TDS-3 SMART Handheld TDS Meter with Carrying Case

Product Summary:
The HM Digital TDS-3 SMART is a compact handheld TDS meter designed for accurate measurement of total dissolved solids in water. Perfect for water purification, hydroponics, aquaculture, and industrial water testing.

Key Features:

• Auto ON/OFF and Auto Hold functions

• Built-in digital thermometer

• Factory calibrated with 342 ppm NaCl solution

• Measurement range: 0–9990 ppm

• Resolution: 1 ppm (0–999), 10 ppm (1000–9990)

• Accuracy: ±2%

• EC-to-TDS Conversion Factor: NaCl avg. 0.5

• Automatic Temperature Compensation (1°C–50°C)

• Operates on 2 x 1.5V button cell batteries (included)

• Compact and lightweight with carrying case

• 1-year brand warranty
  
  

Applications:

• Water purification systems

• Hydroponics and gardening

• Aquaculture and fish farming

• Industrial wastewater monitoring

• Drinking water testing

• Laboratory and educational use
  
  

Product Benefits:

• Instant TDS readings with auto hold

• Reliable performance with factory calibration

• Integrated temperature display

• Easy portability with vinyl carry case

• Energy efficient with auto-off function

• Durable design for field use
  
  

FAQs:

Q.1: What is the ideal range of TDS for drinking water?
A: The Bureau of Indian Standards (BIS) recommends TDS levels in drinking water to be below 500 ppm for safe consumption.

Q.2: Can this meter be used for measuring RO water quality?
A: Yes, the HM Digital TDS-3 SMART is ideal for testing Reverse Osmosis (RO) water systems for TDS levels.

Q.3: How often should the TDS meter be calibrated?
A: While the meter is factory calibrated, it is recommended to recalibrate every 6–12 months depending on usage for consistent accuracy.