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7 results found

HOBO MX2501 User-Replaceable Electrode Info

With gel electrolyte and double Pellon® junctions minimizing the chance of contamination of the reference electrolyte, the user-replaceable, plastic-bodied pH electrode for the HOBO MX2501 pH logge

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HOBO MX2501 pH Electrode and Logger Storage

When storing the HOBO MX2501 pH logger over an extended period of time, remove the electrode from the logger and place it in the electrode storage bottle with clean, fresh storage solution.

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MX2001 - Submersion of Upper Portion of the Logger

The top part of the HOBO MX2001 logger includes a barometric-pressure sensor and its associated sensor port.

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Custom pH Buffers to Calibrate the HOBO MX2501 pH Logger

The HOBO MX2501 pH logger calibration procedure is only designed to work with National Bureau of Standards (NBS) pH buffers 4.01, 7.00, and 10.00.

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Can the HOBO MX2501 pH Logger be Used with the Total Hydrogen Scale (pHT)?

The Total Hydrogen Scale (pHT) requires custom buffers that are designed to mimic the activity of hydrogen ions in seawater.

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Calibrating for pH at Temperatures Other than 25°C

The observed pH of the buffers (and samples) varies depending on temperature.

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Logging RH without Temp

The Bluetooth-enabled HOBO MX1101 and HOBO MX1102 loggers both use a Relative Humidity sensor that returns a temperature-compensated RH measurement.

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