Hobo RX3000 Manual

Using the phionics sts ph sensor with a hobo

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Using the pHionics STs pH Sensor with a

HOBO® RX3000 Station

This application note describes how to connect, calibrate, and operate the pHionics STs pH sensor with the HOBO

RX3000 station. The pH sensor is compatible with any RX3000 configuration (cellular, Ethernet, or Wi-Fi) that is

equipped with the optional four-channel analog input module (RXMOD-A1). It is suggested that a 6-watt solar

panel be used to ensure that the battery is kept charged properly.

Portions of the pHionics Technical Manual are used within this application note, but the full manual is available at

http://www.phionics.com/130216_phionics_006.htm#pdf_downloads

and should be read and understood before

attempting to use this device with the RX3000 station. Questions regarding the specific application, accuracy or

use of the pHionics sensor should be sent to pHionics directly at

http://www.phionics.com/

contact@phionics.com.

More information on configuring the RX3000 station with HOBOlink® can be found in the HOBOlink User's Guide at

http://www.onsetcomp.com/support/manuals/17672-hobolink-users-guide.

More information on the

RX3000 station hardware can be found in the product manual at http://www.onsetcomp.com/manual/rx3000.

To ensure the best accuracy for your application and to confirm proper operation of the transmitter, periodic

recalibration is recommended. The frequency of the recalibration is best determined empirically for each

application. If you wish to discuss your application to determine the best calibration frequency, contact pHionics

directly at http://www.phionics.com/.

19315-C

Table of Contents

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Page 1 More information on configuring the RX3000 station with HOBOlink® can be found in the HOBOlink User’s Guide at http://www.onsetcomp.com/support/manuals/17672-hobolink-users-guide. More information on the RX3000 station hardware can be found in the product manual at http://www.onsetcomp.com/manual/rx3000.
Page 2 1-800-LOGGERS www.onsetcomp.com...
Page 3 Calibrating the Sensor using the RX3000 Station and HOBOlink Important: For the instructions in this section, be sure to follow safe laboratory procedures when handling pH buffers. Rubber gloves and eye protection are suggested.
Page 4 5. Allow the sensor to stabilize (a minimum of 5 minutes). 6. Initiate a call to HOBOlink by pressing the Connect button below the cloud icon on the RX3000 station. Note: If the station is not currently logging, press the Start button instead of the Connect button to begin logging data.
Page 5 12. Initiate another call to HOBOlink or wait until the next scheduled connection for the changes to take effect. © 2015–2017 Onset Computer Corporation. All rights reserved. Onset, HOBO, and HOBOlink are 1-800-LOGGERS (564-4377) • 508-759-9500 registered trademarks of Onset Computer Corporation. All other trademarks are the property of their www.onsetcomp.com/support/contact...