This instrument records voltage data from one or two channels.  Low voltage signals from pH electrodes, ion selective electrodes, ORP electrodes, thermocouples, etc., can be amplified up to fifty times and data can be saved in comma separated value (CSV) files.  CSV files can be opened with a spreadsheet program such as excel.  While the current itteraction has British Telecom Analog (BTA) connectors to accept Vernier low voltage analog probes, the design can easily be modified to accept inputs from BNC connectors, screw terminals, or any other commercially availabe connection.  


Our datalogger interfaced with our syringe pump form the basis of our low cost, open source automatic titrator.