DUP - holders for Parshall flumes
Very stable stainless steel holders for ultrasonic level meters designed for installation above Parshall flumes.
Parshall flumes are available from the smallest size P1 to the largest P9. Holders graduated in size from the smallest DUP1 to the largest DUP9 also meet these standards.
The holder is fastened with self-tapping stainless steel screws (included in the delivery) directly to the upper polypropylene gutter plate. When installing the holder, it is important to keep the defined distance of the axis of the ultrasonic level sensor from the mouth of the trough:
| Parshall's flume | Holder DUP | Installation distance in front of the neck |
| P1 | DUP1 | 300 mm |
| P2 | DUP2 | 340 mm |
| P3 | DUP3 | 390 mm |
| P4 | DUP4 | 530 mm |
| P5 | DUP5 | 750 mm |
| P6 | DUP6 | 1200 mm |
| P7 | DUP7 | 1300 mm |
| P8 | DUP8 | 1350 mm |
| P9 | DUP9 | 1500 mm |
The spacing of the holes in the upper horizontal arm of the holder (100 mm) allows fast and fixed installation of ultrasonic level meters type US1200, US3200 and possibly also US4200. The axis of the level meter used can be precisely adjusted to a vertical position in this holder by means of a cross-adjusting mechanism.
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