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HM Digital TDS-4TMA Pocket Size TDS Tester Meter for Freshwater Aquariums with Digital Thermometer, 0 – 9990 ppm TDS Measurement Range, 1 ppm Resolution, +/- 2% Readout Accuracy

HM Digital Small Handheld TDS Meter with Aquarium Packaging
Model #: TDS-4TMA
A TDS tester that’s ideal for all water purification applications, wastewater regulation, aquaculture, hydroponics, and colloidal silver. Perfect for both consumer or commercial use. Carry one in your pocket at all times!

TDS-4TM is the smallest handheld TDS meter in the world according to HM Digital who holds the original patent for this meter. Beware of imitators, none offer the superior performance of the original TDS-4TM.

TDS-4 Meters measure the amount of Total Dissolved Solids (TDS) within a given sample of water. The measurement is shown in Parts Per Million (PPM).

TDS is the contaminant category removed by the Reverse Osmosis (RO)Membrane itself. The meter can be used to measurse the effectiveness of the membrane only and not the filters used in conjunction with it.

Features:

The smallest and lightest TDS meter on the market.
Sleek design is perfect for personal or consumer use.
Advanced microprocessor technology.
Hold Function: saves measurements for convenient reading and recording.
Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries.
Measurement Range: 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 ‘x10′ image.
Display: large and easy-to-read LCD screen.
Factory Calibrated: our meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver.

Specifications:

Range: 0 – 9990 ppm (mg/L)
Resolution: 1 ppm
Accuracy: ±2%
ATC: Built-in sensor for Automatic Temperature Compensation of 1 to 50 degrees Celsius (33 to 122 degrees Farenheit)
Power source: 2 x 1.5V button cell batteries (included)
Battery life: 1000 hours of usage
Dimensions: 14 x 2.3 x 1.5 cm (5.5 x .9 x .55 inches)
Weight: 34g (1.2 oz)

Product Features

  • TDS meter for checking TDS/salt (NaCl) levels
  • The smallest and lightest TDS meter available on the market.
  • Hold Function: Freeze the measurement to view it out of the water.
  • Auto-off function – Turns off meter after 10 minutes of non-use to conserve batteries.
  • ATC (Automatic Temperature Compensation)

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