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EZO PH Circuit

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Product Name:EZO PH Circuit

EZO PH Circuit

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Product Description:

EZO pH Circuit

EZO-pH EZO pH Circuit Operating principle
A pH (potential of Hydrogen) probe measures the hydrogen ion activity in a liquid. At the tip of a pH probe is a glass membrane. This glass membrane permits hydrogen ions from the liquid being measured to defuse into the outer layer of the glass, while larger ions remain in the solution. The difference in the concentration of hydrogen ions (outside the probe vs. inside the probe) creates a VERY small current. This current is proportional to the concentration of hydrogen ions in the liquid being measured.

EZO-pH EZO pH Circuit Dimensions


EZO-pH EZO pH 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  

EZO-pH EZO pH Circuit Absolute max ratings

Parameter
MIN YP MAX
Storage temperature (EZO pH) -65 °C   125 °C
Operational temperature (EZO pH) -40 °C 25 °C 85 °C
VCC 3.3V 5V 5.5V

EZO-pH EZO pH Circuit Specifications

Reads
pH
Range 0.001 - 14.000
Accuracy +/0.002
Max rate 1 reading per sec
Supported probes Any type & brand
Calibration 1, 2, 3 point
Temp compensation Yes
Data protocol UART & I2C
Default I2C address 99 (0x63)
Operating voltage 3.3V - 5V
Data format ASCII
Circuit dimensions 13.97mm x 20.16mm (0.55" x 0.79")
Weight 1.76 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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