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Instant TOC and COD
New era of water quality monitoring
More comprehensive water quality testing with TOC and COD
Get TOC and COD in seconds, instead of hours or days.
Envig TOC meter can be used to detect and track drinking water quality at raw source or the filtration effect of water filter systems on important dimensions reflecting organic contamination, oxidizable pollutants and dissolved solids in water. With innovative spectral technology, advanced algorithm and leading compoents, this precision device gives lab grade TOC and COD readings in seconds, rather than hours, if not days, of professional lab work , and ushers in an new era of instant water quality monitoring on organic and oxidizable contaminations for enthusiasts, families and professionals alike.
Total Organic Carbon (TOC)
Total Organic Carbon (TOC) is a measurement of the total amount of carbon in organic compounds. TOC in source waters comes from decaying natural organic matter like microorganisms as well as synthetic sources like pesticides or chemical run-offs. It includes both Purgeable Organic Carbon (also called VOC, Volatile Organic Carbon) and Non-purgeable Organic Carbon.
Chemical Oxygen Demand (COD)
Chemical Oxygen Demand (COD) is an indicative measure of the amount of oxygen that can be consumed by oxidizable compounds in water. It is used in quantifying the presence of such oxidizable compounds. Organic compounds are oxidizable, as such COD is usually correlated to TOC. It can also diverge to a higher reading due to oxidizable inorganic contaminants like ammonia, or nitrite etc.
Common contaminants covered by TOC and COD
- Microorganisms (crypto, coliform, E. Coli, bacteria, virus, etc.)
- Organic Chemicals (pesticides, herbicides, insectcides, SOC, volatile organic compounds, etc.)
- Disinfection Byproduct (organic compound like THMs)
- Oxidizable Inorganic Compounds (ammonia, nitrite, sulfide, ferrous iron, chloride, etc.)
First line defense
A speedy and convenient way of determining the degree of overall organic, oxidable and dissolved contamination.
- Cover all organic areas of a typical testing report (microbes, SOC and VOC) with TOC and COD, and inorganic salt level with TDS. Enable tiered approach for additional testing if necessary;
- Detect in real time and all the time;
- Revolving display of all four indicators;
- Colored LED light to indicate water quality for peace of mind (blue, orange, red);
- Take it anywhere you want to test the water quality.
Best filter system companion
Performance and maintenance
With all three readings well related and covering different areas of contamination concerns, performance of a RO or other filter system is unmistaken and manifested. Comparison becomes easy. It also helps to identify time and circumstance of filter change or other maintenance.
Beyond TDS
TDS has been widely used as the indicator for RO system performance, which brings both confirmation and controversy, as TDS is not strictly a contaminant indicator. Together with TOC, the health benefits of a RO system and other filter systems should no longer be controversial.
Biofouling
Fouling on RO membrane or activated carbon block filter is not always reflected on TDS reading. Biofouling is less understood but dominant resulting from bacteria growth on RO membrance or carbon filters. TOC is the powerful tool to monitor and capture biofouling.
Application
Enthusiasts
- Test on unusual drinking water sources
- Tracking of water quality changes
Families
- Performance and maintenance needs of water filter system
- Test on drinking water sources
Professionals
- Water treatment assessment
- Chlorination & DBP control
- Performance of water filter system
Aqurists
- Tank cycle monitoring
- Water quality stability monitoring
Great quality and functionality
Reviewed in the United States on July 24, 2024
Great quality and design, easy to use and value for the money, accuracy
Mark Wampole
Reviewed in the United States on May 14, 2024
I am very impressed as of course I had to go get some distilled water to set it with the first time you use it and then I checked my well water against my Osmosis System water and very interesting readings that seems like they would be definitely correct I will be using this in the future for sure to test all water that goes into my body thank you
Jassim
Reviewed in the United States on October 19, 2024
It does not work, what is the solution?
Kellee Kish
Reviewed in the United States on January 18, 2024
I have used a few standard tds meters in the past ,so I am not new to this . If you let the water boil and cool you will read a different TOC level than just cold tap water. I have tried this on two different water sources (well in Lodi township michigan) and (Chity) in town water in saline mi . The Chity water TOC was about double the well water 160 well 300 city. On top of that I use a pure water mini classic ct water distiller to purify all my water , what was left in the bottom of the distiller was unbelievable because of the (chity) water thats been made drinkable by the people who care about us .
warren
Reviewed in the United States on August 4, 2022
This is the second one. The first one did not give me any readings "000" no mater what I did so I figured it was defective. I re-ordered a replacement one and to my surprise it had the same problem as the first one. I calibrated the unit no problem got "C-8" screen then the "SUC" message that it was calibrated and ready to go. But no matter what I tried the dreaded "000" display kept displaying and auto shutdown after 1 min which is normal. I though to myself what are the odds of both units portraying the same issue?!! wound up that when you do the calibrate you only push the power button 3 times. So I figured after you turn the unit off "holding the power button for 5 seconds" I'd turn the unit on and try to take a reading and got the "000" screen what you need to do IS : turn the unit on , put the unit into what ever water you are testing shake the unit lightly so there are no bubbles on the main head of the unit THEN push the button again. you will now see the display read "---" and you will get the water reading. I guess I was having a Senior moment, hope this helps
CW
Reviewed in the United States on July 16, 2021
Will not do anything beyond powering up. Continually gives "no sample" error no matter what I use (distilled, tap, or well water I KNOW has high TDS). 'Instructions' are seriously lacking in any kind of useful troubleshooting info. This is going back in the box today!
Spicy Mikey
Reviewed in the United States on March 10, 2021
Feels well made and like the lithium rechargeable battery, but I can't get the calibration process to run without failing. Regardless the TDS value seems reasonable. That was the main reason I bought it. It reports TOC and COD but not sure how since everthing I read says these are complicated tests requiring chemical reagents and take hours for the results!
J Wang
Reviewed in the United States on January 22, 2021
We had a lot of water issue after we moved into the current house which operated on well water. The well water quality was never consistent. One time there was E-coli detected in the water. We ended up having a water purification system installed along with UV disinfection and reverse osmosis. To ensure consistency of the treated water quality, we had to hire someone to collect and test water sample from time to time. It was very troublesome and costly. We tried a pocket tester but it only gave us ppm reading with no indication of any organic compounds. Finally, we came across Aquav 3-in-1 on Amazon and decided to give it a try. We were so glad that it actually read TOC and COD values in addition to ppm. By the way, Total Organic Carbon (TOC) is a measure of organic carbon found in a sample whereas Chemical Oxygen Demand (COD) measures amount of O2 that can be consumed by reactions to determine both organic and inorganic substances in a sample. The product was super easy to use. We did not even have to calibrate it. To ensure its accuracy, we had the guy who tested our water come back and compared our reading to his. The result was stunningly accurate. Now we finally get our peace of mind as we enjoy our precious clean water. Highly recommend!
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