EZO ORP Circuit
EZO-ORP EZO ORP Circuit Operating principle
ORP stands for oxidation/reduction potential. Oxidation is the loss of electrons and reduction is the gain of electrons. The output of the probe is represented in millivolts and can be positive or negative.
Just like a pH probe measures hydrogen ion activity in a liquid; an ORP probe measures electron activity in a liquid. The ORP readings represents how strongly electrons are transferred to or from substances in a liquid. Keeping in mind that the readings do not indicate the amount of electrons available for transfer.
EZO-ORP EZO ORP Circuit Dimensions
EZO-ORP EZO ORP Circuit Power consumption
LED | MAX | STANDBY | SLEEP | |
5V | ON | 18.3 mA | 16 mA | 1.16 mA |
OFF | 13.8 mA | 13.8 mA | ||
3.3V | ON | 14.5 mA | 13.9 mA | 0.995 mA |
OFF | 13.3 mA | 13.3 mA |
Parameter | MIN | YP | MAX |
Storage temperature (EZO ORP) | -65 °C | 125 °C | |
Operational temperature (EZO ORP) | -40 °C | 25 °C | 85 °C |
VCC | 3.3V | 5V | 5.5V |
Reads | ORP |
Range | -1019.9mV ~ 1019.9mV |
Accuracy | +/- 1mV |
Max rate | 1 reading per sec |
Supported probes | Any type & brand |
Calibration | Single point |
Temp compensation | N/A |
Data protocol | UART & I2C |
Default I2C address | 98 (0x62) |
Operating voltage | 3.3V - 5V |
Data format | ASCII |
Circuit dimensions | 13.97mm x 20.16mm (0.55" x 0.79") |
Weight | 1.86 grams |
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