DrDAQ : pH Input

DrDAQ data logger Built in sensors for light, sound and temperature Measures pH - just plug in any standard electrode Complete and ready to use at a fraction of the cost of other data loggers Output for control experiments PicoLog (data logging) and PicoScope (oscilloscope and spectrum analyser) software included

pH input

For basic measurements, DrDAQ is ready calibrated to give the correct pH readings. For accurate measurements, a facility is included to calibrate the electrode. As pH is proportional to absolute temperature, there is an option to compensate for temperature changes (using either the internal or an external temperature probe). Despite DrDAQs low cost, these two forms of calibration make for extremely accurate pH measurement.

The waveform at the bottom of this page shows the pH of a beaker of milk as it turns sour.

A complete kit which comprises of all the items you need to measure pH is available from the Pico website.

DrDAQ ph electrode

	pH is measured using a standard electrode with a BNC connector. Pico supplies a robust epoxy bodied pH electrode ideal for educational use. It covers the full 0 to 14pH range with a resolution of 0.02pH.
size	12 x 120mm
Operating temperature	0 to 60°C

Sample Waveform

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