PARTICULATE FILTER WEIGHING AVL Filter Weighing Chamber and Robot / 148 SIMULATION SOLUTIONS TEST SYSTEM SOLUTIONS TESTING EQUIPMENT Dynamometers and Actuators Vehicle Testbeds Test Cell Mechanics and Control Room Media Conditioning Consumption Measurement Injection Testing Combustion Measurement Emission Analysis and Measurement In Vehicle Measurement SIMULATION TOOLS TESTING TOOLS CUSTOMER SERVICES New legal demands for the climate control during the weighing process require an optimized and enhanced weighing environment. Drastically reduced emission limits call for increased measurement accuracy of particulate mass results. AVL’s solution to these new challenges is the Filter Weighing Chamber (FWC). It is a cost- and space-saving alternative to a separate conditioned clean room and offers maximum user friendliness, ergonomics and functionality. The AVL Filter Weighing Robot (FWR) automates the weighing process from conditioning to filter disposal or archiving (from 160 to max. 640 filters). Thus, it reduces measurement inaccuracy and increases the efficiency of the entire weighing process. MEASUREMENT PRINCIPLE A laminar flow with a precise monitoring of temperature and dew point is assured within the working area. In addition, the atmospheric pressure is monitored and is ready to be used for the required buoyancy correction. The ambient air inserted into the working area is prepared in order to achieve the clean room standard 5 according to ISO 14644-1. A vibration-decoupled weighing stone is situated in the weighing section. On this stone, the high-precision scale is placed. Throughout the whole weighing process, automated by the AVL FWR, the filter stays in the filter tray, which also serves for transportation in the robot. The tray is placed directly in the AVL filter holder (moving without foreceps). APPLICATION The AVL FWC is ideally suited for installation in laboratory and testbed environments for particle filter weighing. The working area offers sufficient space for handling and storage of the particle filters. For reliable measurement of very low particulate mass, the AVL FWR is used and controlled by means of AVL ParticleScale. BENEFITS AT A GLANCE • Compact and space saving solution for clean room standard 5 • Precise control of constant climatic conditions regarding temperature, pressure and dew point in the weighing area to comply with e.g. EPA 40 CFR Part 1065/1066, EURO 5/6 (LD) und EURO V/VI (HD) • Fully automated, movement path and time optimized weighing process via the robot • Intelligent storing place management with four filter magazine towers and max. 640 filter storing places • Sample filter identification via RFID Code with freely configurable information data AVL Filter Weighing Chamber (FWC) for conditioning and weighing of particle filters
Solutionskatalog2014_E
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