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30mm lengthin inches

The PXT1(/M) housing helps create light-tight connections between the Ø1-1/8" barrel side-on photomultiplier tubes (PMTs) sold by Hamamatsu and Thorlabs' SM1 (1.035"-40) lens tubes and 30 mm cage system. This housing eliminates the need to design custom adapter plates for these PMTs.

Spacers are used to create space between 2 objects in an assembly. In the world of Electronic Hardware and Electronic Components, spacers are most often found spacing circuit boards, motherboards, panels and doors. Lyn-Tron Spacers are unthreaded and come in Steel, Stainless Steel, Aluminum, Brass and Nylon. All Lyn-Tron Electronic Hardware is made in the USA and held to the highest quality standards. The round shape provide a nice finished look. Aluminum is widely used in Aerospace applications due to its high strength to weight properties. RoHS certifications available.

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Note that the PXT1 housing is not compatible with PMTs that have windows which protrude outside the cylindrical Ø1-1/8" profile.

30mm lengthin cm

To order, please send a purchase order to info@lyntron.com or contact your local distributor. Orders may be adjusted to meet line and/or order minimums. See general terms for details.

Internal SM1 threads, 0.38" (9.5 mm) deep, enable connections to our Ø1" lens tubes. Four Ø6 mm holes accept cage rods and are spaced for compatibility with our 30 mm cage system. For post mounting, the PXT1 body features two 8-32 tapped holes and one 1/4"-20 tapped hole, whereas the PXT1/M has two M4 tapped holes and one M6 tapped hole.

To insert the PMT into the PXT1, first remove the retention collar. As seen in the drawings below, the active area of the PMT is slid into the body of the PXT1 housing, where an O-ring creates a light-tight seal. The the retention collar can then be fastened on to lock the PMT in and create a second light-tight seal.