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EZO Conductivity Circuit - EZO-EC

? Range?: 0.07 - 500,000+ μS/cm?
? Accuracy?: +/- 2%?
? Max rate?: 1 reading per sec?
? Calibration?: 1 or 2 point?
? Data protocol?: UART & I2C?
? Operating voltage?: 3.3V - 5V?
? Data format?: ASCII?
? ?Circuit dimensions?: 13.97mm x 20.16mm (0.55" x 0.79")?
? Weight?: 1.77 grams?

Model Number: EZO-EC
Data Sheet:

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Product Specification

EZO Conductivity Circuit

EZO-EC EZO Conductivity Circuit Operating principle
An E.C. (electrical conductivity) probe measures the electrical conductivity in a solution. It is commonly used in hydroponics, aquaculture and freshwater systems to monitor the amount of nutrients, salts or impurities in the water.

Inside the conductivity probe, two electrodes are positioned opposite from each other, an AC voltage is applied to the electrodes causing cations to move to the negatively charged electrode, while the anions move to the positively electrode. The more free electrolyte the liquid contains, the higher the electrical conductivity.

EZO-EC EZO Conductivity Circuit Dimensions

EZO-EC EZO Conductivity Circuit Power consumption

	LED	MAX	STANDBY	SLEEP
5V	ON	50 mA	18.14 mA	0.7 mA
5V	OFF	45 mA	15.64 mA
3.3V	ON	35 mA	16.85 mA	0.4 mA
3.3V	OFF	34 mA	15.85 mA

EZO-EC EZO Conductivity Circuit Absolute max ratings

Parameter	MIN	YP	MAX
Storage temperature (EZO? Conductivity)	-60 °C		150 °C
Operational temperature (EZO? Conductivity)	-40 °C	25 °C	125 °C
VCC	3.3V	5V	5.5V

EZO-EC EZO Conductivity Circuit Specifiations

Reads	Conductivity = μS/cm Total dissolved solids = ppm Salinity = PSU Specific gravity (sea water only) = 1.00 - 1.300
Range	0.07 - 500,000+ μS/cm
Accuracy	+/- 2%
Max rate	1 reading per sec
Supported probes	K 0.1 - K 10 any brand
Calibration	1 or 2 point
Temp compensation	Yes
Data protocol	UART & I2C
Default I2C address	100 (0x64)
Operating voltage	3.3V - 5V
Data format	ASCII
Circuit dimensions	13.97mm x 20.16mm (0.55" x 0.79")
Weight	1.77 grams