2. In 1974, Congress passed the Safe Drinking Water Act. By admin on Saturday, June 15, 2019. The HoneForest TDS meter is the best pH meter for drinking water on our list even though it doesnt actually test pH. Getting the TDS reading of your municipal water or groundwater supply through government organizations is not an easy task. The above chart conveys the palatability quotient of drinking water at different TDS levels. This advanced digital ppm meter pen with Advanced Microprocessor Technology, combines TDS Meter(Total Dissolved Solids), EC Meter(Electrical Conductivity) and Temperature meter all in one ergonomically designed pen. Generic digital. Distilled water is the best water to use if you want to add your own minerals, and here's why. It is best to standardize on bringing your water sample to a consistent temperature before taking a reading. Now lets add a display to the above project and build a display based portable Water TDS Meter. The digital TDS meter is a reliable device to measure TDS levels in the water. High levels of TDS can also lead to scaling and corrosion in any application but especially in boilers and cooling water. Both measuring devices: With this function, the pH value measuring device and the TDS and EC measuring device enable you to know the result of the water quality more quickly and more precisely In addition, pH levels outside of 6 Brand New Portable PH Meter Tester Water LCD Monitor Aquarium Pen Tool Features: Brand New and High levels of dissolved solids in drinking water can affect the taste causing it to be bitter or salty. According to the EPA secondary drinking water regulations, 500ppm is the recommended maximum TDS for drinking water. TDS levels above 1200 Unacceptable. Also, the measurement range is wide enough to cover most of the characteristics of water. You simply recharge the deionizer with resin to get more life from it. With less than +/- 2% tolerance, this TDS meter from Nexqua has a simple design and is easy to use. Best TDS Meter in India. We are happy to present the 12 best products from famous brands such as bluelab, HoneForest, Health Metric , Luoleina, Hofun, Ruolan, pancellent, KETOTEK, GuDoQi, Gain Express that everyone can own. According to the Bureau of Indian Standards (BIS), the upper level of TDS levels in water is 500 mg/litre (500 parts per million); however, TDS level in the range of 300 ppm is considered excellent per WHO Guidelines.. Browse our content. Friends, today we are reviewing a very cheap yet important gadget - The TDS water tester from Xiaomi which recently launched in India.

Best water filter jug for the environment: Wanda Carafe, 29.95; Best water filter jug for multi-tasking: pH REPLENISH glass alkaline water pitcher, 34.99; Best water filter jug to match your kitchen: BWT Penguin 2.7L water filter jug, 24.99; Best water filter jug for accurate filter changes: Aquaphor Onyx water filter jug, 18.26 Dec 04, 2021. <50-250 ppm: Low: Lacking minerals, such as calcium, magnesium, and zinc. The purpose of this review is to avoid [] Hydroponics Rapid Testing of Drinking Water High Accuracy Total Dissolved Solids Test 0-20,000 ppm DI Systems EC HealthSnap 3-in-1 Digital TDS RO Temp Meter Aquariums Ground Well Water Softener - High Accuracy Extended Range 3 in 1 Test 0-20, 000 ppm: Industrial & Scientific. With a 10-cup capacity, the Clearly Filtered water filter a TDS level from 100 ppm to 300 ppm is best for drinking water. To monitor the water quality at your home, you dont necessarily buy smart water purifiers like Xiaomi Water Purifier 1A or Xiaomi Yimu Black Water Purifier. The filtered water from the Quooker filtered water function gave a reading of 320ppm. Our Thoughts Along with normal drinking water, a TDS is also utilized for measuring the amount of total dissolved solids in borewell water, pools, aquariums, spas, hydroponics, etc. No health-based guideline value is proposed for the ideal TDS of drinking water.

The TDS meter is handheld and digital for error-free reading. Emilio Glover: This water filter system removes hard agents from water and makes the water clean and chlorine-free. If the TDS reading goes beyond 2,000ppm, a filtration system can not handle this. According to the Bureau of Indian Standards (BIS), the upper level of TDS levels in water is 500 mg/litre (500 parts per million); however, TDS level in the range of 300 ppm is considered excellent per WHO Guidelines.. 35 grams per litre or 0.29 pounds per US gallon).. Total dissolved solids (TDS) are measured in milligrams per unit volume of water (mg / l) or also referred to as parts per million (ppm). Water having TDS level ranging 300-600 -> Good. Distilled water is the best water to use if you want to add your own minerals, and here's why. The TDS Value can also be converted into EC Value & thus EC Meter with ESP32 can be designed for Drinking Water Quality Monitoring System. Check Price on Amazon. When TDS meter is brought in contact with water it displays TDS reading on device. A high TDS level means there is an increased amount of total dissolved solids, which can affect the taste and odor of water. #1. This advanced digital ppm meter pen with Advanced Microprocessor Technology, combines TDS Meter(Total Dissolved Solids), EC Meter(Electrical Conductivity) and Temperature meter all in one ergonomically designed pen. My in laws have a new Quooker boiling water tap with the added function of an activated carbon filter for filtered drinking water. Water Quality Tester, Accurate and Reliable, HoneForest TDS Meter, EC Meter & Temperature Meter 3 in 1, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums, etc. Because TDS in water can be high because of many factors, in areas where the TDS content of the water supply is very high, the individual constituents should be identified. So, before buying a water purifier you must know the water TDS level. Score. TDS meter is small digital device which measures presence of total dissolved solids in water. Safety and Taste of Low TDS Water. Measuring & Detection Tools. (including Total Dissolved Solids (TDS), hardness, turbidity, and pH) A digital meter is the most precise way to test your water for pH. The TDS Value can also be converted into EC Value & thus EC Meter with ESP32 can be designed for Drinking Water Quality Monitoring System. 1pH), once calibrated 05ph High Accuracy pH Tester +/- 2% Readout Accuracy TDS Tester, Water Quality Tester for Household Drinking Water, Pool, Hydroponics, Aquarium Water Accuracy is listed as a range of +0 Digital Water Temperature Meter Gauge with Sensor for Auto Car 52mm 2in LCD 40~120Celsius Degree Warning Light Why? 1.

But, due to the lack of water resources, people are drinking water that has greater TDS Levels.

Bonus: Xiaomi Professional Portable TDS Meter Detection. Water Quality Tester, Accurate and Reliable, HoneForest TDS Meter, EC Meter & Temperature Meter 3 in 1, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums, etc. HM Digital TDS3 TDS-3 Pocket TDS Meter Water Tester Meter with Leather Carry Case and Temperature Industrial and Scientific Best Sellers Lab & Scientific Products Janitorial & Sanitation Supplies Konvio Neer pH Test Meter 0.1pH High Accuracy with 0.00-14.00ph Measure Range for Drinking Water, Hydroponics, Aquariums, Swimming Pools. Specific microbial species can thrive in high-salinity environments that are inhospitable to most lifeforms, including some that are thought to The RO water purifier is designed to control the TDS level in the water & make it safe for drinking. With a 10-cup capacity, the Clearly Filtered water filter TDS Meter Digital Water Tester, Lxuemlu Professional 3-in-1 TDS, Temperature and EC Meter with Carrying Case, 0-9999ppm, Ideal ppm Meter for Drinking Water, Aquariums and More. Top Rated Best Tds Meter For Drinking Water in 2022 [amazon bestseller=tds meter for drinking water template=table items=10] [amazon bestseller=tds meter for drinking water template=singleproductbest items=10] How to Choose the Best Tds Meter For Drinking Water. Super accurate, reliable and easy to use TDS, EC &Temp water tester reader, with backlit and auto-lock function. The digital TDS meter is a reliable device to measure TDS levels in the water. Also Read: 12 Best Water Purifiers. Low TDS vs High TDS. I originally posted that this meter is not accurate, but the opposite is really the case. Drinking Water Requirements for Lead EPA's Drinking Water Regulations for Lead. If you feel you need to use a TDS Meter, you can look at our article, Best TDS Meter In India to choose an accurate and trustworthy TDS Meter. Check Price on Amazon. This water deionizer comes with a four-foot hose, cap and plug for travel, and an easy-to-read TDS meter. Water cannot hold an unlimited about of minerals. Bonus: Xiaomi Professional Portable TDS Meter Detection. ACUTAS TDS Meter Digital LCD TDS Meter is a meter with high accuracy and is easy to operate. RO water purifier is the best machine that can handle a TDS level of 200 to 2000 PPM with no problem. Since dissolved ionized solids, such as salts and minerals, increase the conductivity of a solution, a TDS meter measures the conductivity of the +971-558376454 , 0097167404727 3. We know TDS means Total Dissolve solid & it is a vital parameter for drinking water. Score. These meters have high precision, give easy to understand readings and some even come with in-built thermometers. Getting the TDS reading is vital because it will help you know whether the water you are drinking is safe. Pearl laboratory supplies is one of the leading laboratory equipment suppliers in UAE, like laboratory instruments, and more. Then they combine the total quantity of total dissolved solids and the conductivity to produce TDS readings of high accuracy. There are a few essential things to understand when ensuring the best-quality drinking water in your home, one of which is your waters pH value. Now, we drink pure and colorless clean water due to this 2-stage water filter. View Product. A low TDS level means there are fewer dissolved solids and your water is made up of mostly pure water Besides, the digital LCD TDS meter is highly automated. However, it will not recognize any particular compound or source. Drinking Water TDS Level Chart While TDS determination by evaporation is more time-consuming, it I would get a good and solid EC meter, and do my own TDS calculation 0 Analog Sensor kit by the DFrobot which is completely compatible with Arduino 002 Water Quality Conversion Chart 0HJD RKPV 0 or 002 Water Quality Conversion Chart 0HJD RKPV 0 or. HoneForest TDS Meter BEST OVERALL . Josephine Stroman: iSpring is a great choice for all my family. Thus you can get a 247 report related to your water quality. Water having TDS level from 900 to 1200 -> Poor. Best Laboratory equipment suppliers in Dubai. The Clearly Filtered is a powerful water pitcher that uses affinity filtration technology to remove more than 365 contaminants up to 99%. Because TDS in water can be high because of many factors, in areas where the TDS content of the water supply is very high, the individual constituents should be identified. In 1974, Congress passed the Safe Drinking Water Act. Digital PH Meter, PH and TDS Meter Combo, PH TDS EC & Temperature 4-in-1 Water Quality Tester, High $10.99. Search: Ppm And Ph Meter. This law requires EPA to determine the level of contaminants in drinking water at which no adverse health effects are likely to occur with an adequate margin of safety. Immerse the TDS meter inside the water sample to the maximum level of 2 inches.

A TDS meter indicates the total dissolved solids like salts, minerals, and metals, in a solution. The first thing about the meter that catches the eye is its super affordability. Because the HoneForest TDS meter can reliably test water and determine whether or not the water is safe to drink. Water quality detector. No health-based guideline value is proposed for the ideal TDS of drinking water. a TDS level from 100 ppm to 300 ppm is best for drinking water. You can purchase resin pellets from On the Go to replenish your unit. This filter is independently tested to meet NSF 42, 53, 244, 401, and 473 standards. I love its ability to reduce total dissolved solids by as much as 99.6%, a feat that very few water filter pitchers can achieve. This pitcher combines a sediment filter, two carbon filters, an ultra-filtration unit, and an ion exchanger in a compact package to deliver the safest, greatest-tasting, and most pleasant drinking water to any family. TDS testing of water is a chemistry term but now it is very easy with a TDS meter. 300-500 ppm: Ideal: This level is the sweet spot for TDS in drinking water. When drinking water thats been filtered using a Berkey purifier, you can rest assured that your water is clean and safe for consumption. The total dissolved solids (TDS) of water is the number of dissolved solids in a given volume of water. Designed to bring simplicity to nutrient testing, the HI9814 Portable GroLine Meter is designed specifically for Hydroponic growers. From the point of supply (whether mains or private) right through to equipment connection, including filtration, pressure control, tubing & trunking, leak protection and essential cleaning and sanitising, we offer an easy to use one-stop-shop approach backed by expert technical support and many decades of experience in the water treatment industry. Thus TDS sensor is the best sensor for Water Quality Monitoring. The specialized electrode combines 3 sensors in a single rugged probe featuring a polypropylene body, integrated temperature sensor, and cloth junction. I love its ability to reduce total dissolved solids by as much as 99.6%, a feat that very few water filter pitchers can achieve. A TDS meter indicates the total dissolved solids like salts, minerals, and metals, in a solution. TDS concentrations are often reported in parts per million (ppm). Our Thoughts The Clearly Filtered is a powerful water pitcher that uses affinity filtration technology to remove more than 365 contaminants up to 99%. TDS Meter Digital Water Tester also comes in 3 in 1 feature that comprises variations in this digital meter. The HM Digital TDS-EZ meter is the best water quality tester with a TDS testing range of 0-9990 ppm. The ESP8266 based TDS Meter connects to wifi and continuously sends the data to the Blynk application. Water cannot hold an unlimited about of minerals. Alibaba.com has a wide variety of best tds drinking water to choose from. Water having TDS level above 1200 -> Inconsumable. This water quality meter is suitable for hydroponic pools, drinking water, RO/DI systems, aquariums, and more. It is most frequently used by reference to a set of standards against which compliance, generally achieved through treatment of the water, can be assessed. The map opposite shows TDS (Total Dissolved Solids) readings submitted by customers using the Water Quality Meter that is included with all ZeroWater jugs and dispensers. 7. Total dissolved solids (TDS) is a measure of the dissolved combined content of all inorganic and organic substances present in a liquid in molecular, ionized, or micro-granular (colloidal sol) suspended form.TDS concentrations are often reported in parts per million (ppm). You can determine the TDS level through a TDS meter that will determine the total number of dissolved solids present in the water. Best Tds For Drinking Water Electrical Conductivity Meter , Find Complete Details about Best Tds For Drinking Water Electrical Conductivity Meter,Best Tds Tester,Tds Conductivity Temperature 3 In 1 Meter,Measure Tds Ec And Temp from PH Meters When it comes to measuring TDS of drinking water it is important to ensure your meter is reading at an acceptable level. What is Total Dissolved Solids (TDS) in the water? A low TDS level means there are fewer dissolved solids and your water is made up of mostly pure water The specialized electrode combines 3 sensors in a single rugged probe featuring a polypropylene body, integrated temperature sensor, and cloth junction. The FLEMCO digital LCD TDS meter is one of a kind. Pearl laboratory supplies is one of the leading laboratory equipment suppliers in UAE, like laboratory instruments, and more. Water quality refers to the chemical, physical, and biological characteristics of water based on the standards of its usage.

According to the BIS Standards, the maximum desirable TDS is 300 mg/l and maximum permissible is 600 mg/l. The map opposite shows TDS (Total Dissolved Solids) readings submitted by customers using the Water Quality Meter that is included with all ZeroWater jugs and dispensers. The TDS meter is handheld and digital for error-free reading.

Search: Ppm And Ph Meter. Why? Specific microbial species can thrive in high-salinity environments that are inhospitable to most lifeforms, including some that are thought to The water most likely contains minerals and does not taste flat. Moreover, it is ideal for commercial usage with its range of 0-9990. If the measurement exceeds 1,000ppm, it is already unsafe. $14.97 View Product The average TDS level ranges from 50ppm to 1,000ppm. How to use a TDS meter (Total Dissolved Solids) with an ESP8266 NodeMCU board. READ What Is The 50 Inch Tv To Buy. Konvio Neer Imported TDS Meter. A TDS meter is a small hand-held device used to indicate the total dissolved solids in drinking water. With so many options available in the market choosing the best tds meter for drinking water can be tricky for normal customers.

It is most frequently used by reference to a set of standards against which compliance, generally achieved through treatment of the water, can be assessed. 1 ppm indicates 1 milligram of dissolved solids per kilogram of water. Water TDS concentrations can be determined using a digital meter.

The most common standards used to monitor and assess water quality convey the health of Emilio Glover: This water filter system removes hard agents from water and makes the water clean and chlorine-free. Thus TDS sensor is the best sensor for Water Quality Monitoring. Due to the advanced microprocessor technology, it ensures timely and accurate results. Thats why, and my family doesnt get dry skin even in the winter season.

They are all excellent quality products with 21,990 reviews on Amazon in 2022. It produces the purest drinking water on the market, filtering out 99.6 per cent of TDS and microplastics down to three microns in size through a five-stage filter. TDS comprises any kind of mineral, salt, metal, cation, or anion.

TDS can be used to calculate total hardness and pH. RO systems can reduce TDS by as much as 95% and produce water that has a TDS level of between 1 and 100 ppm. The HoneForest TDS meter is the best pH meter for drinking water on our list even though it doesnt actually test pH. A TDS meter is a small hand-held device used to indicate the Total Dissolved Solids in a solution, usually water. It produces the purest drinking water on the market, filtering out 99.6 per cent of TDS and microplastics down to three microns in size through a five-stage filter. A TDS meter is a small hand-held device used to indicate the Total Dissolved Solids in a solution, usually water. How to use a TDS meter (Total Dissolved Solids) with an ESP8266 NodeMCU board. You can check the TDS sensor on Maker Advisor to find the best price: TDS Sensor; which is a good value for drinking water. One of the best display that comes integrated with ESP32 & ILI9341 3.5 TFT Touch Display.

In general, the total dissolved solids represent the number of ions in the water. The USEPA secondary water quality standard for TDS concentration is 500 mg/L to ensure drinking water palatability. Total dissolved solids (TDS) are measured in milligrams per unit volume of water (mg / l) or also referred to as parts per million (ppm). 35 grams per litre or 0.29 pounds per US gallon).. Consumers can get overwhelmed by the huge marketplace and end in a place by choosing a wrong product that will not serve its purpose perfectly. 7. The HI9812-5 is a simplistic pH/EC/TDS meter that is calibrated manually to a single point with the use of two trimmers 00 Minimum TDS 0 Any nutrient with less than 200 PPM will be very light Wholesale Hydroponics has the brand names you are looking for and the extensive knowledge and experience to offer only the best products on the market PPM Meter When it comes to measuring TDS of drinking water it is important to ensure your meter is reading at an acceptable level. My in laws have a new Quooker boiling water tap with the added function of an activated carbon filter for filtered drinking water. TDS of the Drinking Water. This meter provides an indirect reading on the ionic content of water which can give you an idea of how the water quality has varied. What is Total Dissolved Solids (TDS) in the water? The Konvio Neer manufactured TDS meter uses an intelligent detection chip that can easily read the water TDS level and display it on the digital screen of the TDS meter within a few seconds. 1000-2000 ppm: Bad: It is not recommended to drink water at this TDS level. Our readers get 15% off at clearlyfiltered.com Click here to get your coupon.. Overview. TDS Meter Digital Water Tester, Lxuemlu Professional 3-in-1 TDS, Temperature and EC Meter with $13.98: Check Price on Amazon: 3: TDS Meter, Water Quality Tester Filter Pen, Accuracy Testing Water Quality for Drinking Water Purity $7.99: Check Price on Amazon: 4 From 0-999 ppm, the measurements are present in 1 ppm increments with 1000 to 9990 ppm switching to 10 ppm increments. A Protective Case Water Tester Digital Aid Best Water Quality Test Meter 0-9990ppm. The most common standards used to monitor and assess water quality convey the health of Now lets add a display to the above project and build a display based portable Water TDS Meter. The Simplest and Most Accurate Pocket Size Water Tester HM Digital TDS-4 Pocket Size TDS Tester Meter with 0-9990 ppm Measurement Range , 1 ppm Resolution, +/- 2% Readout Accuracy. High levels of TDS can also lead to scaling and corrosion in any application but especially in boilers and cooling water. From the point of supply (whether mains or private) right through to equipment connection, including filtration, pressure control, tubing & trunking, leak protection and essential cleaning and sanitising, we offer an easy to use one-stop-shop approach backed by expert technical support and many decades of experience in the water treatment industry. Also, the measurement range is wide enough to cover most of the characteristics of water. Using Digital TDS Meter. TDS concentrations are often reported in parts per million (ppm). Getting the TDS reading of your municipal water or groundwater supply through government organizations is not an easy task. 9.6. This battery-powered white color TDS meter is made up of plastic material. I originally posted that this meter is not accurate, but the opposite is really the case. The affordable budget and its daily usage to improve the quality of water make it a wise investment. This law requires EPA to determine the level of contaminants in drinking water at which no adverse health effects are likely to occur with an adequate margin of safety. To monitor the water quality at your home, you dont necessarily buy smart water purifiers like Xiaomi Water Purifier 1A or Xiaomi Yimu Black Water Purifier.

TDS of the Drinking Water. RO water purifier is the best machine that can handle a TDS level of 200 to 2000 PPM with no problem. This water deionizer comes with a four-foot hose, cap and plug for travel, and an easy-to-read TDS meter. It comes in a digital fish tank water tester, digital saltwater aquarium tester, and drinking water. INCLUDES: Big Berkey stainless steel housing (Upper, Lower & Lid), 2 Black Berkey Filters, 2 Fluoride Elements, 2 Hole Plugs, 1 knob, 1 easy flow spigot, and 1 set of easy to follow assembly instructions. A Total Dissolved Solids (TDS) meter can be a useful tool in brewing. This pitcher combines a sediment filter, two carbon filters, an ultra-filtration unit, and an ion exchanger in a compact package to deliver the safest, greatest-tasting, and most pleasant drinking water to any family. Drinking Water Requirements for Lead EPA's Drinking Water Regulations for Lead. It comes in a digital fish tank water tester, digital saltwater aquarium tester, and drinking water. Since dissolved ionized solids, such as salts and minerals, increase the conductivity of a solution, a TDS meter measures the conductivity of the solution and estimates the TDS from that reading. For drinking water, the maximum concentration level established by the EPA (the United States Environmental Protection Agency) is 500 mg / L. So TDS value is used as a reference in knowing the quality of water for drinking, In this case, buying the best TDS meter for drinking water is the most ideal solution. You simply recharge the deionizer with resin to get more life from it. TDS comprises any kind of mineral, salt, metal, cation, or anion.

Safety and Taste of Low TDS Water. For fast and easy water testing, we recommend the HoneForest TDS Meter. It is the most efficient way to check the quality of your drinking water. A TDS meter is a small hand-held device used to indicate the Total Dissolved Solids in a solution, usually water. +971-558376454 , 0097167404727 TDS meters display the TDS value in parts per million (ppm). The best economical way to test your water is with good quality test strips. Since dissolved ionized solids, such as salts and minerals, increase the conductivity of a solution, a TDS meter measures the conductivity of the A TDS meter is a portable and extremely handy device that measures the number of TDS (total dissolved solids) contained in your drinking water. Under such circumstances, you Best Laboratory equipment suppliers in Dubai. Total Dissolved solids (TDS): Total Dissolved solids (TDS) are a measure of the dissolved combined content of all inorganic and organic materials present in a liquid in molecular, ionized, or micro-granular (colloidal sol) suspended form. You can purchase resin pellets from On the Go to replenish your unit. Water Quality Tester, Accurate and Reliable, HoneForest TDS Meter, EC Meter & Temperature Meter 3 in 1, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums, etc. The user rotates the color disk to find the part that best matches the color of the sample, and then reads the concentration of the chemical from the disk. This filter is independently tested to meet NSF 42, 53, 244, 401, and 473 standards. 8. Our readers get 15% off at clearlyfiltered.com Click here to get your coupon.. Overview. 600-900 ppm: Not great: Consider a reverse osmosis system to filter TDS. Buy best best tds drinking water at friendly prices and offers. TDS meters measure the TDS level by first measuring the electrical conductivity. 6. Total dissolved solids (TDS) is a measure of the dissolved combined content of all inorganic and organic substances present in a liquid in molecular, ionized, or micro-granular (colloidal sol) suspended form.TDS concentrations are often reported in parts per million (ppm). The best economical way to test your water is with good quality test strips. HM Digital TDS-3. Water quality detector. Apart from all this, you can also add a Ph Sensor and a Turbidity Sensor to learn more about the Water Quality. The above chart conveys the palatability quotient of drinking water at different TDS levels. The ESP8266 based TDS Meter connects to wifi and continuously sends the data to the Blynk application. Low TDS vs High TDS. Designed to bring simplicity to nutrient testing, the HI9814 Portable GroLine Meter is designed specifically for Hydroponic growers. Josephine Stroman: iSpring is a great choice for all my family. Since ions increase the conductivity of water, a TDS meter measures the conductivity of the drinking water and estimates the TDS from that reading. Answer (1 of 97): Permissible range of total dissolve solid (TDS) in drinking water Total dissolved solids (TDS) comprise inorganic salts and small amounts of organic matter that are dissolved in water. Now, we drink pure and colorless clean water due to this 2-stage water filter. TDS Meter Digital Water Tester also comes in 3 in 1 feature that comprises variations in this digital meter. Nexqua Dew Digital Total Dissolved Solids Meter. After using the TDS meter, shake off the excess water from the meter and replace the protective cap. The water can be divided based on the TDS level as following: Water having TDS level below 300 -> Excellent.