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(See modBus documentation)
Yosemitech Sensor has also developed pc-based calibration software for Y504 dissolved
oxygen sensor. You only need to connect the probe to the calibration software through the
computer interface, and you can easily complete the calibration of the sensor according to
the software prompts.
Appliances and raw materials required
Anhydrous sodium sulfite powder
Distilled water or deionized water (Watsons distilled Water)
Beakers, gloves, stirring rod, air pump