Model 4200 Peak Flow Meter

Model 4200 Clinical Use In patients with asthma or obstructive pulmonary disease, preoperative measurement of peak flow and evaluation of response to bronchodilator therapy can be critical. Our readily portable Peak Flow Meter allows convenient, accurate, bedside analysis of this parameter. Advantages High resolution at low flow rates Dual scale Convenient pocket size Direct reading - no linkage Simple to reset - just invert Air damped piston Ball bearing memory Very low actuating volume (20.1 cc full scale) Lightweight moving parts for excellent dynamic response No shafts, bearings, or pointers Visual verification of zero Specifications Dimensions: 1-1/4" x 2-1/2" x 9" Dual Range: 30-200 l/min and 100-600 l/min Memory: Direct reading piston, ball bearing capture unit Mouthpiece: 1" ID with two 1-1/2" plastic mouthpieces Spring: Stainless Steel, over-range and under-range protected Accuracy: +/- 5% of full scale Material: Lexan Tube, hardcoated aluminum Base, Teflon Piston, stainless steel Orifice Sterilization: Wipe with cold sterilant (Cidex) and rinse thoroughly.