Instructions on how to make an Arduino millivoltmeter for use with CLEAPSS colorimeter or other low-voltage applications.  The accompanying zip files GL257a contains the Arduino code & GL257b soft.. more

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Extracted and refreshed from section 12 of the Handbook, includes information on different electronic meters, and investigations using them. Includes coulombmeters, sensitive galvanometers, picoammete.. more

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Contains a wealth of information on the various ways of measuring pH, and the advantage and disadvantage os each. Includes all sorts of background theory which will help the reader make the most appro.. more

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Describes the range of meters which could be used in class for measuring aspects of electricity. Explains the value, or otherwise, of  different devices and what to look for to maximise value for mone.. more

words matched: millivolt