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Extech PH100 ExStik Waterproof pH Meter
The waterproof ExStik PH100 pH meter by Extech is an accurate, rugged and reusable stick pH meter with some unique data storage features that make it exceptionally easy to use and considerably enahnce its usability. The flat surface electrode allows you to measure pH in liquids, semi-solids, and solids and limits electrode breakage and clogged junctions. The RENEW indicator tells you when it's time to replace your electrode. The CAL alert ensures consistently accurate readings by telling you when you need to recalibrate. A Memory feature records and recalls 15 sequentially tagged readings, so you will know how your readings have changed over time. The LCD readout displays pH, temperature and an analog bargraph that shows trends in acidity or alkalinity, and indicates when the reading is stable. 1, 2 or 3 point alibration automatically recognizes buffer solutions. Other features include automatic temperature compensation, auto power off, low battery indicator, and data hold. The PH100 comes with a protective sensor cap, sample cup, four SR44 button batteries, and a 48-inch (1.2m) neckstrap. For more convenience, purchase the the EX006 weighted base, which holds both the sample cup and ExStik meter.76% (13)
Now you can test pH on the spot easily and accurately with the ExStik PH100 Waterproof pH Meter. The durable ExStik meter features a flat surface electrode for measuring pH in liquids, semi-solids, and solids. A built-in smart chip offers memory recording of 15 settings, allowing you to compare readings over time. The ExStik lets you know when the meter needs recalibration and when it's time to replace your pH electrode, so you can reuse it again and again with confidence. Because you can refill the ExStik quickly, you won't need to worry about the shelf life of its electrode.
ExStik Waterproof pH Meter
At a Glance:
Flat surface electrode measures pH in liquids, semi-solids, and solids
Smart chip retains up to 15 readings to show trends in acidity or alkalinity
Durable, waterproof design is able to withstand harsh environments
Dual-alert system warns when to recalibrate or replace electrode
Six-month limited warranty on parts and labor
Provides quick, on-the-spot pH measurements. View larger.
LCD screen displays ph level and temperature. View larger.
Accurately Measures pH and Temperature
The ExStik PH100 pH meter features a flat surface electrode that measures pH in liquids, semi-solids, and solids--no more electrode breakage or clogged junctions. The ExStik can detect any level on the pH scale with a resolution of 0.01 pH and an accuracy +/-0.01 pH. The meter also measures temperatures from 23 to 194 degrees Fahrenheit (-5 to 90 degrees Celsius) with an accuracy of +/-1.8 degrees Fahrenheit. By using fresh reference solution, the ExStik achieves continuously dependable results.
Refillable pH electrode maintains accuracy and removes guesswork.
Reusable and Refillable Electrode
When depleted, the pH electrode can be easily refilled, eliminating any concerns about electrode shelf life. One-, two-, or three-point calibration automatically recognizes buffer solutions (buffer solutions sold separately). The RENEW feature alerts you when it's time to replace the pH electrode, while the CAL alert tells you when it's time to recalibrate the meter.
Built-In Smart Chip Displays and Stores Readings
This meter is designed to make taking accurate measurements of pH levels simpler and more useful. It has a large digital display that indicates both pH level and temperature, while at the same time allowing you to watch continuous changes in acidity or alkalinity with an analog bar graph that indicates pH trends from a neutral point (pH 7.00).
The smart chip also features automatic temperature compensation, auto power-off, and low-battery indication. A display indicates when the reading is stabilized. Memory recall of up to 15 sequentially labeled readings allows you to track how readings have changed over time.
Durable and Reliable
The ExStik PH100 is completely waterproof (rated IP57), and sturdy enough to withstand harsh environments. Bring it with you anywhere--it weighs less than 4 ounces and floats in water.
The meter is 6-4/5 by 1-3/5 by 1-2/5 inches (H x W x D), and runs on four LR44 button batteries.
Versatile Home and Commercial Applications
Easy to use, the ExStik meter is an invaluable tool for measuring the pH in shampoo, body wash, facial cleansers, lotions, creams, and more. Use it to monitor pools and spas, or to measure acidity and alkalinity in soil, skin, and carpeting. It's valuable in hydroponic gardening or farming. Get important readings in cement, agriculture, fish farming, wastewater, antifreeze recycling, food preparation, cleaning supplies, and manufacturing of paper, pulp, and paint.
Optional Accessories to Customize Your Meter
To maximize your use of the ExStik PH100, interchangeable probes are available for chlorine and ORP (sold separately). You can also purchase a weighted base that holds a plastic sample cup and the ExStik meter, and buffer solutions for calibration.
The ExStik PH100 Waterproof pH Meter is backed by a manufacturer's 6-month limited warranty on parts and labor.
What's in the Box
Meter, pH electrode, bottle KCI, two reference junctions, two removal tools, sensor cap, sample cup with cap, four LR44 batteries, neck strap, and user manual.
I did a soil test of my garden and just could not resist taking a picture of the results. It's like looking in to the soul of your garden. The results are a Neutral pH, medium potash, low nitrogen and medium phosphorous.Garden Soil Test Mar2010
Results of my garden's soil test for (l to r) potassium (pass), phosphorus (fail) and nitrogen (fail).
For sophomore/senior-level courses in Geotechnical Engineering or Soils and Foundation Engineering offered in Construction or Civil Engineering Technology departments. This unique lab manual guides students step-by-step through the hows and whys of the most commonly used testing methods in civil engineering practice--those based on the latest American Society for Testing and Materials (ASTM). The manual uses a consistent "Procedure," "Data," and "Calculations" format for each test; contains completely worked examples showing the computations required for the analysis and evaluation of the test data collected; discusses what data, results, and other information should be presented in the test report; and explains what the test results will be used for in practical engineering problems. Blank data reporting forms and graph papers are provided for most tests, and an accompanying CD-ROM contains state-of-the-art, user-friendly software for compiling test data, performing calculations, plotting curves, and obtaining final results.See also:
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