The fleece filter bag works as a preliminary filter to help capture dust and debris before it reaches the main filter
40-6502: Johnson 40-6502 Manual-Leveling Rotary Laser
With six precision-machined corner cubes and a rugged plastic housing mounted on solid metalcore
and interior alignment work
This is made from steel
Schonstedt Time Domain Reflectometer (TDR) and Cable Analyzer | 10/1205CXB-US 30080 The fleece filter bag worksSpecifications Pulse Widths: 3, 6, 12, 25, 50, 100, 200, and 500 ns; 1, 2, 5, and 10 s Accuracy: 0. 1% of reading 4 inch Resolution: 1 inch Velocity of Propagation Range: 10. 0% to 99. 9% Displayed Measurements: Distance in feet or meters and time in s Fault Severity Assessment: Automatic return loss calculation at Cursor 1 and Cursor 2 Signal Filtering: 1x to 16x waveform averaging Maximum Range at 99. 9% VOP: 99,000 ft Maximum Range at 66% VOP: