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The 27767 is a mechanical wiper for the OBS500 Smart Turbidity Meter. This wiper helps ensure accurate measurements by preventing algae and other fouling from covering the OBS500 lens. The 27767 is intended for standard applications; another wiper, the 27768, is a brass wiper for additional protection, especially in sea water.
| Dimensions | 4.45 x 3.81 x 1.91 cm (1.75 x 1.5 x 0.75 in.) |
| Weight | 27.22 g (0.06 lb) |