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  • 03/08/2021

    I bought this as a level meter in sewage (wastewater) tank. I use a mini 5Vdc PS and a 3 digit voltmeter, all from Banggood. The initial test went OK, with a bucket with water, check my photo, I raise the bucket, voltage reading is raising. I have not test it yet in real situation, with dark/dirty liquid, maybe the absorption vs reflection does not work well for infrared. I tested with dark solid obstacles and it is positive. I will feedback after testing in the wastewater tank. Of course, there are other, more fit for the purpose devices here, pressure transducer (ID: 1626016) or ultrasonic (ID: 1727923), but I wanted to test first the (lower cost) infrared.

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  • 07/09/2019

    Exelente producto. Llego en el tiempo acordado y bien protegido.

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  • 02/02/2021

    OK NOT TESTED

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