Portland Pro Audio

Day Wireless Systems, based in Portland, OR, specializes in critical communications and public safety infrastructure, offering a wide range of solutions including two-way radios, security systems, and broadband networking. With a dedicated team of over 300 professionals, the company provides expert services in system design, project management, installation, and maintenance across various industries. Recognized for their extensive experience with distributed antenna systems and bidirectional amplifiers, Day Wireless Systems is committed to delivering reliable and effective communication solutions. Their comprehensive offerings also include FCC licensing support and responsive service and repair, ensuring that clients can depend on their expertise for mission-critical operations. Generated from the website

Controls Services ( QCS ) was established in 1974 to fill the need for precision calibration services and quality sales. QCS has over 30 years experience in calibration, service and repair of all makes and models of precision balances. With the addition of our Echelon 1 Metrology Laboratory, and A2LA Accreditation ( Certificate 1550.01/Laboratory Code 115953 ), QCS now offers calibration and certification on precision weights and balances in compliance with ISO/ISE 17025-1999 and ANSI/NCSL Z540-1994. Our laboratory meets "General Requirements for the Competence of Calibration and Testing Laboratories" ( and equivalent relevant requirements of the ISO 9000 series of standards ) and any additional requirements in the identified field of calibration. The scope of this accreditation also includes Thermometers ( liquid-in-glass & digital ), Force ( tension & compression ), Furnaces, Ovens, Incubators, Autoclaves, Cold Boxes, pH meters and Pipettes. If calibration with documentation is a part of your Quality Assurance Program then call us for more information on A2LA calibration services. All certifications are NIST traceable. QCS is a direct distributor for the following lines of products: Sartorius, Cahn, Setra, Ohaus, Seiler, Orion, YSI, Nova Instruments, Miller & Weber Thermometer, IQ Scientific, and Rotronics. Visit our Sales page to find more information regarding purchasing any of our lines of laboratory equipment. QCS provides non-A2LA accredited calibration services and repair facilities for Dissolved Oxygen, Turbidimeters, Spectrophotometers, and Conductivity meters.