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 (2011) Field Measuring Instruments catalog.pdf (7.04 MB) (2011-07-06 updated) To view the PDF files, it is necessary to install Adobe Reader. Download from this site.