Power source: 2 x 1.5V button cell batteries (included)
Battery life: over 1000 hours of continuous use
Dimensions: 15.5 x 3.1 x 2.3cm (6.1 x 1.25 x 1")
Weight with case: 76.5g (2.7 oz)
Weight without case: 56.7g (2 oz)
Ideal for commercial use. Includes a carrying case with belt clip.
Highly efficient and accurate due to its 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 1ppm. From 1000 to 9990 ppm, the resolution is in increments of 10ppm, indicated by a blinking 'x10' image.
Display: large and easy-to-read LCD screen.
Factory Calibrated: recalibration is not necessary, but can be done easily with a watch screwdriver. There's no need for messy solutions.
Also available in "x10" mode: reads in increments only of 10 ppm (0-9990 ppm).
If you're a pool or a spa owner, you have a major investment, and maintenance should be a top priority: I purchased a TDS meter 2 years ago, and have had no pump problems or equipment failure in this time. My wife says the water feels a lot smoother now that it is monitored regularly for TDS, and she uses the pool a lot more regularly than before we used the TDS meter. Previously, she used to say that the pool water was harder on her face and skin, and she wasn't so inclined to have an afternoon swim.