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Appliance Home ::
HM Digital TDS-4 Meter
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Our Price: $20.69
List Price: N/A
Sales Rank: #35601 (lower is better)
Availability: N/A
Manufacturer: HM Digital
Avg. Customer Rating: 
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EAN: 0891144000182
Manufacturer: HM Digital
Shipping Weight (lbs): 2
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HM Digital TDS-4 Meter Features
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- Measures total dissolved solids in your water
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HM Digital TDS-4 Meter Description
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TDS Meter - Tester To Test For Total Disolved Solids In Water - Reverse Osmosis Membrane Tester The Only Way To Know If Your Reverse Osmosis RO Membrane Is Performing Correctly - Tests for TDS - Total Dissolved Solids. A Must For All RO System Owners. Compare Incoming Feed Water To Treated Water - Replace Membrane If Less Than 80% of TDS Is Being Removed - Total dissolved solids (TDS) are the total weight of all solids (minerals, salts or metals) that are dissolved in a given volume of water expressed in milligrams per liter (mg/L), or in parts per million (PPM). The lower the TDS level in the water, the more efficiently your body's cells actually get hydrated by the water that you drink. The higher the TDS levels in the water, the greater the probability of harmful contaminants that can pose health risks or hinder the absorption of water molecules on the cellular level. 17 PPM of TDS = 1 grain of hardness. 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: 0-9990ppm. From 0-999ppm, the resolution is in increments of 1ppm. From 1,000 to 9,990ppm, 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 to initially calibrate the meter. Range: 0 - 9990ppm (mg/L) 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: over 1,000 hours of continuous use Dimensions: 14 x 2.3 x 1.5cm (5.5 x .9 x .55 inches) Weight: 32g (1.13 oz) We really like this tester and think that anyone who wants to know about the quality of their water should have one of these TDS Meter Testers.
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HM Digital TDS-4 Meter customer reviews:
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Must have item!
I live in area with contaminated water by industry and very old water system.I'm using charcoal water filter for water cleaning which require regular cartridge replacement. Thanks to this device I'm able to judge if it's time to replace filter, as in beginning TDS level of tap water and filtered one differ, but approximately after one month of use readings become almost same.
It seems to work
It seems to work.. I have no way to gauge if it is truly accurate. :) However, when testing a water source before and after it entered our RO filter, it clearly showed that the RO filter was working. Have had this for about 4 months now and it has worked fine w no battery problems.
It is good that it has a button to save your reading until you take it out of the water. Without that, sometimes it's hard to read the display while the meter is in the water container.
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