BCD Electronics Ltd. is a Canadian manufacturer of high-quality, laboratory-grade, precision measuring instruments for aviation, aerospace, laboratory testing, and other industries. The company is the original equipment manufacturer (OEM) of the M1 Milliohm Meter and its associated accessories, as well as the Rev Tach IV optical tachometer. BCD products are distinguished by superior precision, stability, and quality. The company offers prompt professional product service and customer service, with all products manufactured and serviced at facilities in Burnaby, British Columbia, Canada.