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The Elcometer 133 Ship’s Propeller Comparators have been developed with the specific profiles relating to the condition of a ship’s propeller.
Two versions are available: for above water (dry dock) inspection and for inspection work carried out underwater.
| Part Number | Description | Section Profiles | |
| Ra* |
Rz* | ||
| H133--15A | Elcometer 133 Surface Comparator | 1, 2, 4, 8, 16, 30µm | 6, 12, 24, 48, 96, 180µm |
| H133--16A | Elcometer 133 Underwater Comparator | 1, 2, 4, 8, 16, 30µm | 6, 12, 24, 48, 96, 180µm |
*Ra = Roughness Average
*Rz = Peak to Valley Mean Height
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