The Bradley Electronics 192 Oscilloscope Calibrator used a high quality zener diode as the reference for calibration. Constitutional Law Of India By J N Pandey Pdf Printer more. The 192 has an EMF accuracy better than 0.25%. An introduction to the Siemens S7-200 Programmable Controller. Course work will include controller start-up procedures, examination of data types and memory modes, the basic instruction set for programming ladder logic, and hands-on activities used to reinforce the areas studied. Sep 29, 2012. Hello, I have just purchased a Bradley Oscilloscope Calibration Type 192 but do not have a manual. Does anyone have, or know where to find, the oppertor and service manuals to enable me to make fuill use of the instrument, ideally as PDF. Best Regards Trevor. G6trevor is offline. Install Bginfo Windows Server 2008 R2.