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5 (3 Reviews) | UPC: 793950050118 | Model: Extech OYSTER-10
PH/MV/Temperature Meter
List Price: $199.99
Your Price: $177.99
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This microprocessor-based device with tactile buttons simultaneously displays pH or mV and Temperature (°C/°F selectable). 25 labeled readings can be conveniently stored for later recall. The Oyster 10 is battery operated, portable, and includes a hinged display that can be adjusted to any viewing angle. In addition, the neck-strap offers hands-free operation. Advanced features include diagnostic displays, MIN/MAX readings, audible alerts, 5-point buffer recognition, & Auto/Manual temperature compensation. Careful use of this meter will provide years of reliable service. pH is a unit of measure (ranging from 0 to 14pH) indicating the degree of acidity or alkalinity of a solution. pH tests are the most commonly performed measurements in water quality testing, using the hydrogen ion activity of a solution to determine acidity or alkalinity. Solutions with a pH less than 7 are considered acidic, solutions with a pH higher than 7 are known as bases, and solutions with a pH of exactly 7 are considered neutral. The pH scale is logarithmic, so, for example, if sample A is 1 pH less than Sample B, this means that Sample A is 10 times more acidic then Sample B. A difference of 1 pH represents a ten-fold difference in acidity.
Before accurate measurements can be made, it is necessary to perform a 3-point calibration of the meter with its electrode. Calibrate to a pH 7 buffer first, followed by a pH 4 (or 1.68) buffer and then a pH 10 (or pH 12.45) buffer. The meter automatically recognizes the buffers listed in the table below and calibrates itself to the buffer’s pH value.
Answers (1) - Asked by Anonymous
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No, the -10 model does not come with the probe. The 16 do come with probes.
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Out of 5
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Extech Oyster-10 pH/MV meter
5.0
We have been using Extech Oyster-10 pH/MV meters in our state certified lab and in the field for over ten years. They outlast any other meters we have tried. Calibration is a snap and the Extech probes are so affordable it's easy to keep a couple on the shelf for back-ups. We have never had a problem with precision or accuracy.
Anonymous on Mar 28, 2017 I found this helpful (1)
Extech Oyster 10
Work well. Small footprint and reliable.
Verified Purchase Anonymous on May 20, 2015 I found this helpful (0)
Great product at a great price
I bought this product and received it rather quickly to replace an older pH meter of the same type. Comes with a nice case and with a battery so it is ready to go right out of the box.
Verified Purchase Brad Vick on Aug 14, 2014 I found this helpful (0)