Abstract: An electrical connector system that has a base, a back cover, and a seal. The base has a housing that includes a first perimeter wall and a second perimeter wall spaced from the first perimeter wall. The first perimeter wall defines a first opening. The second perimeter wall defines a second opening. The back cover includes a plate configured to be secured against the second perimeter wall to cover the second opening and a seal securement flange that is configured to fit within the second perimeter wall when the back cover is in a closed position relative to the base. The seal extends around a perimeter of the seal securement flange, is retained by and movable with the back cover, and is configured to be elastically compressed between the seal securement flange and an inner surface of the second perimeter wall when the back cover is in the closed position.

Abstract: An electrical terminal for use in an electrical connector assembly includes a receptacle portion and a spring portion. The receptacle portion is formed from an electrically conductive material and includes an engagement arm having a support surface that defines a receptacle space. The spring portion is supported on the support surface of the engagement arm of the receptacle portion and is formed from an electrically conductive material. The spring portion includes a first end portion, a second end portion, and an intermediate portion extending between the first end portion and the second end portion. The intermediate portion includes a corrugation having alternating raised and lowered regions between the first and second end portions.

Abstract: The present invention provides a method for processing a filter to obtain a calibration dust filter, and a method for off-site calibration using the calibration dust filter. In the present invention, a batch of filters that meets specific requirements is screened out as the basal filters, and then the basal filters are processed in an actual environment to obtain the calibration dust filters. The counted number of beta particles is measured before and after sampling, and then a correction factor K is inversely inferred. The beta attenuation suspended particulate analyzer is corrected using the correction factor K.

Abstract: The present invention provides a method for processing a filter to obtain a calibration dust filter, and a method for off-site calibration using the calibration dust filter. In the present invention, a batch of filters that meets specific requirements is screened out as the basal filters, and then the basal filters are processed in an actual environment to obtain the calibration dust filters. The counted number of beta particles is measured before and after sampling, and then a correction factor K is inversely inferred. The beta attenuation suspended particulate analyzer is corrected using the correction factor K.