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EZO Dissolved Oxygen Circuit

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Product Name:EZO Dissolved Oxygen Circuit

EZO Dissolved Oxygen Circuit

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Product Description:

EZO Dissolved Oxygen Circuit

EZO-DO EZO Dissolved Oxygen Circuit Description
EZO Dissolved Oxygen circuit is a very sensitive device. This sensitivity is what gives the Dissolved Oxygen circuit its accuracy. This also means that the Dissolved Oxygen circuit is capable of reading micro-voltages that are bleeding into the water from unnatural sources such as pumps, solenoid valves or other probes/sensors.

When electrical noise is interfering with the Dissolved Oxygen readings it is common to see rapidly fluctuating readings or readings that are consistently off. To verify that electrical noise is causing inaccurate readings, place the Dissolved Oxygen probe in a cup of water by itself. The readings should stabilize quickly, confirming that electrical noise was the issue

When reading Dissolved Oxygen and Conductivity together, it is strongly recommended that the EZO Dissolved Oxygen circuit is electrically isolated from the EZO Conductivity circuit.

EZO-DO EZO Dissolved Oxygen Circuit Dimensions


EZO-DO EZO Dissolved Oxygen Circuit Power consumption

  LED MAX STANDBY SLEEP
5V ON 13.5 mA 13.1 mA 0.66 mA
OFF 12.7 mA 12.7 mA  
3.3V ON 12.1 mA 12 mA 0.3 mA
OFF 11.9 mA 11.9 mA  

EZO-DO EZO Dissolved Oxygen Circuit Absolute max ratings
Parameter MIN YP MAX
Storage temperature (EZO D.O.) -65 °C   125 °C
Operational temperature (EZO D.O.) -40 °C 25 °C 85 °C
VCC 3.3V 5V 5.5V

EZO-DO EZO Dissolved Oxygen Circuit Specifications
Reads Dissolved Oxygen
Range 0.01 - 100+ mg/L
0.1 - 400+ % saturation
Accuracy +/- 0.05 mg/L
Max rate 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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Supplier Details

Shenzhen Isweek Ltd

Market Type: After Market 
Business Type: Distributor/Wholesaler
Main Product: Gas Sensor, Pressure Sensor, Humidity Sensor... etc

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