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I DrDAQ User's Guide Contents 1 Introduction .....................................................................................................................................1 ...........................................................................................................................................1 1 Overview 2 Safety...........................................................................................................................................1 warning ...........................................................................................................................................2 3 Legal information 2 Product information .....................................................................................................................................4 ...........................................................................................................................................4 1 Specifications ...........................................................................................................................................4 2 Connecting to the PC ...........................................................................................................................................5 3 Connections ...........................................................................................................................................5 4 Channel scaling ...........................................................................................................................................6 5 Getting started with PLW ...........................................................................................................................................7 6 Getting started with PicoScope ...........................................................................................................................................7 1 Using PicoScope ...........................................................................................................................................8 2 Adding an oscilloscope channel 3 Changing...........................................................................................................................................9 the oscilloscope timebase ...........................................................................................................................................10 4 Using the trigger 5 Adding...........................................................................................................................................10 spectrum and meter views ...........................................................................................................................................11 7 External sensors ...........................................................................................................................................11 1 Overview 2 DD100...........................................................................................................................................11 Temperature Sensor 3 DD011...........................................................................................................................................12 pH Electrode ...........................................................................................................................................14 4 EL029 Reed Switch 5 DD101 ...........................................................................................................................................15 Humidity Sensor 6 DD103...........................................................................................................................................21 Oxygen Sensor ...........................................................................................................................................23 8 Making your own sensors ...........................................................................................................................................23 1 Overview ...........................................................................................................................................24 2 Powering the sensor 3 Scaling ...........................................................................................................................................25 4 DrDAQ...........................................................................................................................................28 scaling files (.DDS) ...........................................................................................................................................31 5 Calibration 3 Software .....................................................................................................................................33 information ...........................................................................................................................................33 1 Software updates ...........................................................................................................................................33 2 Writing your own software ...........................................................................................................................................35 1 Driver formats ...........................................................................................................................................36 2 Routines ...........................................................................................................................................45 3 Programming support Index ..............................................................................................................................................48 drdaq.en © Copyright 2005-7 Pico Technology Limited. 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