On a ZENNER water meter, type MNK-RP, the counting rollers are located in a separate sealed chamber filled with a special protective liquid.
Since the counting rollers no longer come into contact with water and sediments, data acquisition is possible even with severe contamination or a high iron content in the water. The MNKI-RP-N version is supplied with a pulse generator (Reed) for remote reading of data.
| Principle of operation | Multi-jet water meters |
|---|---|
| Face-to-face length without fittings | 110 mm 165 mm 170 mm 175 mm 190 mm 260 mm 270 mm 300 mm |
| Body material | brass |
| Counting mechanism | wet walker wet walkway with roller protection |
| Nominal flow Qn | Qn 1,5 Qn 2,5 Qn 3,5 Qn 6 Qn 10 Qn 15 |
| Nominal diameter DN (mm) | DN 15 DN 20 DN 25 DN 32 DN 40 DN 50 |
| Water temperature | cold water until 40° C cold water until 50° C |
| Counter readings | in cubic meters (м³) |
| Additional options | "glass" plastic Mineral glass |
| Metrological class at horizont. position (мах.) | R 200 |
| Metrological class at vertical. position (мах.) | R 80 |
| Maximum working pressure | MAP 16 |
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