Check the listing for details. Envig Water Quality Meter 4-in-1 TOC COD TDS TEMP Water Tester. Condition: New. Listed at 69.99 USD. Summary: This water quality meter/analyzer 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. It can be recalibrated with ease by using distilled water. It is lightweighted and fits to your pocket so that you can not only use it at home, but bring it to your office, hotel, trip or anywhere you want to be sure of the quality of your drinking water. Feature:Companion to any water filter systems --- This water quality meter is a great companion to any water filter systems to give you the unmistaken water quality change before and after the use of a water filter system, replacement of water filter cartridges, or the effects of using a new water filter pitcher or dispenser.More than a TDS meter --- Not only will you get the regular tds readings, but also more important contamination levels commonly related to ground water sources like well water. TOC (Total Organic Carbon) and COD (Chemical Oxygen Demand) reflect the pollution of organic substances in water, including bacteria, viruses, toxicants, pesticides, disinfectants, or paints in your drinking water.Instant lab grade readings --- TOC and COD readings used to require testing in a professional lab or by expensive water quality analyzer. With the innovative UV spectral technology, you can use this water quality meter and get the lab grade readings in seconds without the expensive and inconvenient water quality test.Anywhere water quality assurance --- With its pocket size, weeks of battery life and intuitive design, you can take the water quality meter to anywhere you want to check the drinking water quality. This can be used by water professionals as the screening devices. It can also be taken to an expedition where drinking water may be from a clear river or lake.Water probe and screening --- With so many things that can be tested in your drinking water, it can be overwhelming to choose which test to go with in a professional lab. Use this water quality meter to give you the direction in a tiered approach. It lets you know in the three areas whether there is anything you should be worried about. If not, you can focus on some other areas to your concern. SpecficiationSize: 6.5" x 0.75" x 0.83" Weight: 2.9 oz Battery: 2 x AAA (not included) Operating Temperature: 50 – 104 °F / 10 – 40 °C Detection Parameter TOC: Detection Range: 0-10, Max Error: 10%FS, Reading Resolution: 0.1 COD: Detection Range: 0-10, Max Error: 10%FS, Reading Resolution: 0.1 TDS: Detection Range: 0-1000, Max Error: 10%FS, Reading Resolution: 1 TEMP: Detection Range: 0-80°C, Max Error: +/-0.5°C, Reading Resolution: 0.1°C What's in the Box Water meter, and manual