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Atlas Scientific

EZO™ ORP Circuit

EZO™ ORP Circuit

Regular price €39.95 EUR
Regular price €44.95 EUR Sale price €39.95 EUR
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57 in stock


From water sterilization to chemical production, the reasons for needing to know the ORP of water are many. From calibration to timed readings, the EZO-ORP circuit is a drop-in solution to a complex measurement.


Connect your ORP probe to this circuit to create a workable signal for your microprocessor using UART or I2C protocol.
Works with any brand and type of ORP sensor.


Range-1019.9mV − 1019.9mV
Accuracy+/– 1mV
Response time1 reading per sec
Supported probesAny type & brand
CalibrationSingle point
Temp. compensationN/A
Data protocolUART & I2C
Default I2C address98 (0x62)
Operating voltage3.3V − 5V
Data formatASCII
Circuit dimensions13.97mm x 20.16mm (0.55″ x 0.79″)
Weight1.86 grams

Shipping & Returns

It may happen that you want to return an order. Because the product does not suit you, maybe there is another reason why you would not want the order. Whatever the reason, you have the right to cancel your order up to 14 days after receipt without giving a reason.

After cancellation you have 14 days to return your product. You will then be credited 85% order amount excluding shipping. For more information click the following link: /pages/shipping-and-returns

What's Included?

The EZO™ ORP Circuit comes with:


• 1x EZO™ ORP Circuit


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    Customer Reviews

    Based on 1 review
    looks good and stable

    I used it on esp32 with isolator and bnc adapter with 3 different electrodes and it works pretty stable (UART).