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TEROS 11 not providing output

Home Forums Environmental Sensors TEROS 11 not providing output

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        I connected a TEROS 11 sensor to Mayfly data logger and modified HYDROS 21  code to include the modular sensor for TEROS 11. But getting ‘-9999’ as output from the sensor  in addition to warning of “2 results expected This differs from the sensor’s standard design of 3 measurements!!”.

        While there is no issues with recording battery voltage and signal percent. Could anyone help me regarding this?





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