QWL Series - Amphenol Aerospace

QWLthermocouple contactsAvailable from Amphenol is a complete line of cylindrical connectorsfeaturing thermocouple contact insert arrangements.The design of these contacts is such that standard shell componentsand resilient inserts are used in the assemblies. Thermocouplecontacts are available in all arrangements whichcontain size 12 and 16 pins and sockets, and feature probeproof,closed entry design for the socket contacts. MSapprovedand other commercial arrangements may be orderedwith thermocouple contacts substituted for the standard contacts.All thermocouple contact layouts may contain either iron,alumel, chromel, constantan, standard (copper) or brass(dummy) contacts. The resulting assembly will be identifiedwith an Amphenol ® part number.IDENTIFICATIONFor the purpose of wiring identification, thermocouple contacts aremarked in accordance with the following color code which agrees withthe wire code.Chromel. . . . . . . WhiteAlumel . . . . . . . GreenIron . . . . . . . . BlackConstantan . . . . . YellowThis identification is made by means of small dots of stain on solderwell end of the contact and is in accordance with the listing shownabove.WIRE WELL DATAContact Size 12 16Well Inside +.004Diameter –.002.125 .094Well+.031Depth–.000.250 .188Solder WellBarrel.166±.003 .125 +.002–.004Outside DiameterRECOMMENDED WIRE:I Chromel – Alumel: Use wire in accordance with AN-W-29II Iron – Constantan: Use wire in accordance with AN-W-8b63