HM Digital TDS-3 Handheld TDS/EC/Temp Meter

★★★★★ 4.8 113 reviews

$13.58
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$13.58
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Product details

Management number 232581277 Release Date 2026/06/21 List Price $5.43 Model Number 232581277
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Ideal for commercial use, the TDS-3 includes a carrying case with belt clip. It is highly efficent and accurate due to its advanced microprocessor technology. It features a measurement range of 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1 ppm. From 1000 to 9990 ppm, the resolution is in increments of 10 ppm, indicated by a blinking image. With its rugged design and build, the TDS-3 is an ideal meter (tool) that can be used for any application; Ranging from water purification, to hydroponics to industrial waste water treatment. It comes with a black vinyl carrying case, protecting it when carried in a toolbox.


HM Digital TDS-3 Features:

  • Hold Function
  • Auto-off Function (After 10 min.)
  • Built-in digital thermometer
  • Includes a carrying case with belt clip
  • Factory Calibrated with a 342 ppm NaCl solution. (Meter can be recalibrated with a mini-screwdriver).

HM Digital TDS-3 Applications:

  • Aquaculture
  • Aquarium
  • Drinking Water
  • Food & Beverage
  • Hydroponics
  • Industrial
  • Water Treatment
  • Window Cleaning/Carwash

HM Digital HydroMaster TDS-3 Specs:

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)

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4.8 out of 5
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113 ratings | 46 reviews
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