General Catalog < Download Electrical Measuring Instruments Product Catalogs General Catalog (2011-2012) General Catalog.pdf (36.24 MB) (2012-01-18 updated) Field Measuring Instruments catalog (2012) Field Measuring Instruments catalog.pdf (6.13 MB) (2012-04-09 updated) To view the PDF files, it is necessary to install Adobe Reader. Download from this site.