PCB Test & Measurement Seite 42

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PCB PIEZOTRONICS INC 716 684 0001 Fax 716 685 3886 For Additional Specification Information Visit www pcb com 40 Magnetic Mounting Bases Magnetic mounting bases allow a convenient temporary method of installing accelerometers to ferrous magnetic surfaces Select a magnetic base with a larger diameter than the accelerometer base Mounting Studs and Screws Mounting studs are used to secure the accelerometer to the test object To ensure accurate measurements always mount the accelerometer with the recommended mounting torque and avoid bottoming the stud into the test object s or accelerometer s tapped mounting hole The Magnetic Mounting Bases Model Number Diameter Thickness Mounting Force Uses 080A30 3 8 in hex 0 23 in 5 84 mm 5 40 Thread 2 5 lb 11 N Miniature 2 gm Accelerometers M080A30 3 8 in hex 0 2 in 5 08 mm M3 x 0 5 Thread 2 5 lb 11 N Miniature 2 gm Accelerometers 080A27 3 4 in hex 0 27 in 6 86 mm 10 32 Stud 12 lb 54 N General Purpose 080A179 0 75 in 0 40 in 10 2 mm 10 32 Thread 12 lb 54 N General Purpose 080A54 1 3 8 in hex 0 49 in 12 45 mm 1 4 28 Stud 50 lb 225 N Industrial Accelerometers 080A130 0 75 in 0 72 in 18 29 mm 1 4 28 Thread 15 lb 68 N For Curved Surfaces 080A131 1 1 in 1 02 in 25 9 mm 1 4 28 Thread 35 lb 158 N For Curved Surfaces 080A132 1 5 in 1 25 in 31 8 mm 1 4 28 Thread 55 lb 225 N For Curved Surfaces Mounting Studs Screws Model Number Mounting Comment Style 081A27 5 40 Stud to 5 40 Stud BeCu For Some Triaxial Accelerometers B 081A90 5 40 Stud to 10 32 Stud Adaptor Stud BeCu A 080A149 5 40 Thread to 10 32 Stud Adaptor Plate 0 5 Dia with 7 16 Flats E 080A84 5 40 Thread to 10 32 Stud Adaptor Plate 0 75 Dia with Knurl E M080A149 M3 x 0 5 Thread to 10 32 Stud Adaptor Plate 0 5 Dia with 7 16 Flats E 080A85 M3 x 0 5 Thread to 10 32 Stud Adaptor Plate 0 75 Dia with Knurl E 080M260 6 32 Thread to 10 32 Stud Adaptor Plate 0 75 Dia Knurled with 5 8 Flats E 081B05 10 32 Stud to 10 32 Stud with Shoulder BeCu For Most Accelerometers B 081A21 10 32 Stud to 10 32 Stud Electrical Isolation Mounting Pad Stud 0 75 Hex D 081C21 10 32 Stud to 10 32 Stud Electrical Isolation Mounting Pad Longer Stud 0 75 Hex D M081B23 10 32 Stud to M5 x 0 8 Stud Adaptor Stud BeCu A M081B05 10 32 Stud to M6 x 0 75 Stud Adaptor Stud with Shoulder BeCu A M081A18 10 32 Stud to M6 x 1 Stud Adaptor Stud with Shoulder Stainless Steel A 081A08 10 32 Stud to 1 4 28 Stud Adaptor Stud BeCu A 081B20 1 4 28 Stud to 1 4 28 Stud With Shoulder BeCu B 081A96 1 4 28 Stud to 1 4 28 Stud Stainless Stl for Model 350A96 Shock Accelerometer B M081B20 1 4 28 Stud to M6 x 0 75 Stud Adaptor Stud with Shoulder BeCu A 081B45 6 32 thd x 0 63 inch length Cap Screw for Series 355 Ring Shaped Accelerometers C M081B45 M3 x 0 5 thd x 16 mm length Cap Screw for Series 355 Ring Shaped Accelerometers C 081B36 2 56 thd x 0 375 inch length Cap Screw for 355B12 357A06 C M081B36 M2 x 0 4 thd x 0 37 inch length Cap Screw for 355B12 357A06 C 081B60 10 32 thd x 0 63 inch length Cap Screw for 354C02 354C03 C Style A Style B Style C Style D Style E Model 081A08 Model 081B05 Model 081B45 Model 081A21 Model 080A149 use of a stud with a shoulder will usually avoid bottoming however ensure that the base of the sensor is counter bored to accept the shoul der Once installed the accelerometer s base should be in close contact with the test object surface Always exercise caution when using a magnetic base as the attractive installation forces can cause excessive shock to the sensor It is recom mend ed to install the magnet base to the test object on an edge and then roll the assembly gently into position or install the magnet base to the test object first and then attach the sensor Techs from Model 080A30 Model 080A27 Model 080A179 Model 080A130 131 132 Model 080A54 Tips 3 T Mcatalog 2011 Seite 33 48 A4 F G500 21 04 11 09 27 Seite 40