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The HM Digital Meter TDS-3 is one of the most affordable and accurate EC/TDS readers in the market today.
With its large LCD, this pen-sized digital meter can be calibrated and works best for water treatment, purification, and hydroponics.
The TDS-3 measures EC and TDS, along with temperature levels, simultaneously.
The TDS-3 will calibrate through a dedicated slot using a small screwdriver so that you get accurate readings all the time..
Large LCD
The TDS-3 might be compact, but its large display ensures you get the correct measurements every time.
The TDS-3 has a battery life of up to 1000 hours, using LR44 button cell batteries.
| TDS Range: | 0 – 9990 ppm (mg/L) |
| Temp. Range: | 0 – 80 degrees Celsius |
| Resolution: | 0-999: 1 ppm 1000-9990: 10 ppm (indicated by a ‘x10’ icon) |
| Temperature Resolution: | 0.1 degree Celsius (Celsius only) |
| Accuracy: | +/- 2% |
| EC-to-TDS Conversion Factor: | NaCl (avg. 0.5) |
| ATC: | Built-in sensor for Automatic Temperature Compensation of 1 to 50 degrees Celsius (33 to 122 degrees Fahrenheit) |
| 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 2.3cm (6.1 x 1.25 x 1 inches) |
| Weight with case: | 76.5g (2.7 oz) |
| Weight without case: | 56.7g (2 oz) |
