The fleece filter bag works as a preliminary filter to help capture dust and debris before it reaches the main filter
this Dutch Hill rover rod is very easy to use
easy field calibration
such as metal or plastic piping
40-6502: Johnson 40-6502 Manual-Leveling Rotary Laser
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: