.....obsolete user manuals, a lot of repair manuals, free service manuals, rare schematic diagrams, usefull service instructions, pdf books, how to repair instructions, lost operating manuals, old handbooks, tons of part lists, hidden service bulletins, your instruction books, informative repair tips, complete disassembly routines.....

All other Manufacturers

Clark Hess Communication Research Corp

Model Date Group Description
255 01 January 1983Digital multimeterVOLT-AMPERE-WATT METER
258 Digital multimeter
5000 CalibratorPhase Standard
6000 01 January 1987Level MeterPhase Meter
828 CalibratorAC/DC V-A Source

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These manuals are for personal use only.

These documentations are only intended for qualified technicians who are aware of the respective safety regulations.

Trademarks and Copyrights used herein are the property of their respective owners.