The model 80 control console is a compact unit designed to perform EPA methods 6, 6a, 6b, 15, 18, 26 and VOST. This unit is suitable for use with any low flow sampling method that requires accurate volume measurement. This rugged lightweight console features built in digital temperature control and indication, vacuum and pressure gauges, dual float rotometer, stainless steel fine and coarse valves and internal diaphragm vacuum pump.