رقم الجزء OM-8

رقم المخزون الوطني:

6635-01-379-6339 6635013796339

وصف:

Gas Detector Leak Standard

رمز اسم العنصر:

77777

Functional Description:

Calibrates helium leak detector, p/n 1120he/1038-17 prior to testing fire extinguisher

General Description:

Leak rate range (atm-cc/sec): 1 to 9 x 10-8; helium gas; supplied with 1/2 in. Od smooth tube outlet fitting; outside matl 304 stainless steel cylinder: dim 14.5 in. Lg; 2.0 in. In. Dia; 20 lbs; orifice type leak; uses precision tapered glass capillary as leak element; provides gradual pressure rise at predictable rate; individually calibrated using accumulation over time method iaw american vacuum society standard 2.2-1968