346 - Front End Filter (FEF) Module In addition to reference method gas analysers, Signal Group also manufactures a full range of sample handling, calibration and test instruments; making Signal Group a one-stop-shop for emissions monitoring equipment. DESCRIPTION The Front End Filter (FEF) Module is a prefilter which is installed close to the sampling point, providing sample filtration and system integrity checking with Span gas being passed down the heated line to check for hydrocarbon ‘hang-up’. SPECIFICATION A portable unit designed to provide filtration of hot sample gas throughout the gas analyser system. 346 comprises of a temperature controlled (heated to 191ºC) oven housing a particulate filter. Filter removal is easily achieved via the front panel, enabling individual flow control to single output for cooler/ dryer for cold analysers. NO. OF FILTERS: 1 OUTLET NUMBER: 1 MATERIAL: 316 Stainless Steel TEMPERATURE: 191ºC FILTER TYPE: Replaceable 0.1 microns fibreglass DIMENSIONS: 260(h) x 240(w) x 440(d) mm WEIGHT: 20kg Authorised Representative: Signal Group Ltd Standards House, Doman Road, Camberley, Surrey GU15 3DF United Kingdom Email: sales@signal-group.