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How to Warm/Cool Calibration Buffers so they Match my Sample
Calibration buffers are solutions of salt dissolved in pure water with known pH values at varying temperatures.
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Wiping the Electrodes Between pH Buffers - Don't Do It!
When calibrating a pH electrode, the user is mitigating the effect of the condition of the electrode, among other factors.
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Why Do I Always Have to Calibrate in pH 7.00 and Then at Least One Other Buffer?
pH is considered an inferred value. This means that raw data (in this case potential as mV and temperature) are used to calculate pH with a known algorithm called the Nernst Equation.
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Using a Three-Point pH Calibration versus a Two-Point pH Calibration
In order to guarantee the accuracy of your readings, it is necessary to bracket the expected pH values with at least two buffers.
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Calibrating for pH at Temperatures Other than 25°C
The observed pH of the buffers (and samples) varies depending on temperature.
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Extending a Tripod
It is possible to extend a tripod; however, the 1.5-meter mast (Part #M-MPB) cannot be used directly to extend a 2- or 3-meter tripod.
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Logging RH without Temp
The Bluetooth-enabled HOBO MX1101 and HOBO MX1102 loggers both use a Relative Humidity sensor that returns a temperature-compensated RH measurement.
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