Profile: Teledyne Hastings Instruments manufactures vacuum instruments and gas mass flow instruments. Our vacuum product line includes the original DV-4 and DV-6 thermocouple gauge tubes, along with other vacuum sensors used in combination with meters and controllers that covers a wide range of vacuum pressure from atmosphere to ultra high vacuum. We maintain a full line of quality digital and analog vacuum instruments to satisfy stringent requirements of every market within the vacuum industry, including semiconductor processing, refrigeration, air conditioning, vacuum pump control and monitoring, metallurgy, food processing, neon sign and lighting production.