JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.
We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
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. 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: 0-9990ppm. 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 Fahrenheit) 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) Simple to use for Reverse Osmosis membrane monitoring. Measure the incoming water and the RO water. Divide the larger number into the smaller number and subtract that decimal from 1. The resulting decimal is the percent of TDS that the membrane is removing. 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.
Gift Guide
Water Testing
Learn to increase the GPD capacity size of your reverse osmosis membrane
Contaminant Removal Chart And Reverse Osmosis Explanation
Water Doctors PRO-4000 4 Stage RO Reverse Osmosis System
Water Doctors SMP-3000 5 Stage RO Reverse Osmosis System
Nugen RO-5-50 5 Stage Reverse Osmosis Replacement Water Filters
Nugen RO-3-25 3 Stage TFC-24 Reverse Osmosis Replacement Water Filters Help
Microline TFC-435 Reverse Osmosis System Replacement Water Filters
GE Merlin Replacement Water Filters
PuROmax 4 Stage Reverse Osmosis System
AllPure Water Filters ®
Sears Kenmore UltraFilter RO System Filters ® Kenmore
TDS Meters - Total Dissolved Solids
PuroTwist PT4000 Water Filters
PuroTwist PT3000 Water Filters
Kemflo Reverse Osmosis Replacement Water Filters and RO Membranes
Apec Water Filters ®
APEC Essence ROES-50 Water Filters
APEC Essence ROES-PH75 Water Filters
APEC Essence RO-90 and Ultimate RO-Hi Top Tier Supreme Water Filters Water Filters
APEC Portable Countertop Reverse Osmosis Water Filters
3 Stage CTA Reverse Osmosis RO Drinking Water System Help
3 Stage TFC Reverse Osmosis RO Pure Drinking Water System Help
4 Stage TFC Reverse Osmosis RO Pure Water System Help
5 Stage TFC Reverse Osmosis RO Pure Drinking Water System Help
Hydrotech Water Filters ®
Microline Water Filters ®
Aqua Systems Water Filters ®
Baleen Max FE Ultra-Pure Advanced Water Filters
MacClean DBH202S 4 Stage TFC Reverse Osmosis RO Pure Water System
MacClean DBH201S 3 Stage Reverse Osmosis System Help
American Plumber Replacement Water Filters ®
WRO-3167 American Plumber Reverse Osmosis System Water Filters
RO-3000 American Plumber Reverse Osmosis Replacement Water Filters
RO-3500 American Plumber Reverse Osmosis System Filters
RO-2127 American Plumber Reverse Osmosis RO System
WLCS-1000 American Plumber Drinking Water Filter System