OSHA Technical Manual (OTM) | Section III: Chapter 5 - Noise Locating blowers (e.g., dust collectors, vacuum pumps) on the building roof or in routinely unoccupied areas, and using extended ductwork to service the process or equipment of concern. A vacuum pump system includes a vacuum pump with a brushless, multi-phase, synchronous motor with a permanently magnetically excited rotor, and a pump type recognition element, a control unit for controlling the vacuum pump and having a drive microcontroller and a final stage, and a further microcontroller that monitors a rotational speed of the motor and turning off the final stage in case Compact Pirani Gauge TPR 280 TPR 281 BG 805 178 BE / D (2006-02) 3.0 k common (voltage at pin 1 Product Identification In all communications with Pfeiffer Vacuum, please specify the information on the product nameplate. For convenient reference copy that information into the space provided below. Typ: No: F-No: V W The complete operation and service manual for the Uno/Duo 1.5A used to be available at the Pfeiffer Vacuum Web site. But they now only have manuals for pumps still in production. However, I can provide a PDF of the Uno/Duo 1.5 manual if needed. Search in Pfeiffer Vacuum catalogs and technical brochures on DirectIndustry and find the information you need in 1 click. 6 BG 805 186 BE / B (2005-07) MaxiGauge™ 1 Intended Use The MaxiGauge™ TPG 256 A is a 6-port total pressure measurement and control unit for Pfeiffer Vacuum Com-pact Gauges. The unit has been engineered for use with the following manual valve / for air / 3/2-way / 5/2-way PVKK series. Where to Buy. manual valve (AVS).The vacuum switch provides air control signal to open and close the control valve.It will save energy. More information. YT-4xx senses the main supply pressure and shuts down the air flow when the Two technicians are discussing vacuum suspended brake boosters. Technician A says that when the engine is running and the driver's foot is o