The 190501-21-99-04 Velomitor CT Velocity Transducer is a low-frequencyversion of our standard Velomitor Piezo-velocity Sensor. Itsdesign specifically measures casing vibration velocity oncooling tower and air-cooled heat-exchanger fan assembliesthat operate at or above 90 rpm (100 to 300 rpm typical).
The Velomitor CT Transducer can measure vibrationamplitudes at these frequencies as well as the vibrationfrequencies generated by the fan motor and speed reducer.

190501-20-99-04 Velomitor CT Velocity Transducer
A: Mounting Hardware Option
0 0 No stud
0 1 Stud 3/8-in 24 to 3/8-in 24
0 2 Stud 3/8-in 24 to 1/2-in 20
0 3 Adhesive Stud 3/8-in 24
0 4 Stud M6x1 with 3/8-in 24 adapter
0 5 Adhesive Stud M6x1 with 3/8-24 adapter
0 6 Stud 3/8-in 24 to 1/4-in 28
0 7 Plate Stud 3/8-in 24 to 3/8-in 24
0 8 Plate Stud 3/8-in 24 to 1/2-in 20
0 9 Plate Stud 3/8-in 24 to 1/4-in NPT
1 0 Plate Stud M6x1 to M6x1with 3/8- in 24 adapter

1 1 Plate Stud 3/8-in 24 to 1/4-in 28
1 2 Plate Stud 3/8-in 24 to M8x1
1 3 Quick disconnect stud
1 4 Adapter, 3/8-in 24 to 1/4-in 20
1 5 Adapter, 3/8-in 24 to 5/16-in 18
1 6 Adapter, 3/8-in 24 to 3/8-in 24
1 7 Adapter, 3/8-in 24 to 3/8-in 16
1 8 Adapter, 3/8-in 24 to 1/2-in 13
1 9 Adapter, 3/8-in 24 to 1/4-in 18 NPT
2 0 Adapter, 3/8-in 24 to 3/8-in 18 NPT
2 1 Adapter, 3/8-in 24 to 1/2-in 14

B: Connection Option
0 0 MIL-C-5015 connection interface
9 9 Unit with included 32-foot cable

C: Agency Approval Option
0 0 No Approvals
0 1 through
0 4 CSA/NRTL/C (Class I, Division 1), ATEX/IECEx/CSA (Class I, Zone 0/1)

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