CO-QC8-B-SET Brass Critical Orifice Set

The CO-QC8-B-SET of brass critical orifices for dry gas meter calibration are calibrated according to EPA Method 5 protocols and are considered a calibration standard for calibrating a Method 5 dry gas meter. Each set contains 5 calibrated orifices in the 12 to 30 LPM nominal flow range mounted on a 1/2" quick-connect stem, an orifice calibration report, a calibration spreadsheet diskette, a recording log, and a foam-lined carrying case. The critical orifice set is also available in stainless steel part # CO-QC8-SS-SET.