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EZO™ Dissolved Oxygen Circuit
#EZO-DO
Patent Protected
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4+ units | $43.70 |
10+ units | $42.55 |
25+ units | $41.40 |
Until you’re faced with the challenge, it’s hard to see why anyone would care about dissolved oxygen. But, here you are.
Accurately calculating the D.O. of water is quite difficult. Once all the mathematical calculations are done, it takes hundreds of chemical titration tests to confirm that the readings are correct over the full scale. The process is agonizing. Fortunately, you don’t have to do any of that. The Atlas Scientific EZO-DO Circuit gives you accurate D.O. readings in Mg/L and percent saturation. Using its temperature, salinity, and pressure compensation features, you can be sure the readings are correct no matter where in the world you are.
| Reads | Dissolved Oxygen |
| Range | 0.01 − 100+ mg/L 0.1 − 400+ % saturation |
| Accuracy | +/– 0.05 mg/L |
| Response time | 1 reading per sec |
| Supported probes | Any galvanic probe |
| Calibration | 1 or 2 point |
| Temp. compensation | Yes |
| Salinity compensation | Yes |
| Pressure compensation | Yes |
| Data protocol | UART & I2C |
| Default I2C address | 97 (0x61) |
| Operating voltage | 3.3V − 5V |
| Data format | ASCII |
| Circuit dimensions | 13.97mm x 20.16mm (0.55″ x 0.79″) |
| Weight: | 1.77 grams |
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EZO™ Dissolved Oxygen Circuit Datasheet -
Wiring Diagram -
Arduino Uno Sample Code - Arduino Mega Sample Code
- Arduino I2C Sample Code
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Raspberry Pi Sample Code (UART, I2C, USB) -
UART and I2C mode switching -
EZO UART Library - EZO I2C Library
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Dissolved Oxygen CAD Footprint File (*.dxf) -
RoHS Certificate - CE Certificate
