| Type | 857 | Variable area flowmeter, 1.4571 (316Ti) stainless steel float, (series 850), Variable area flowmeter, 1.4571 (316Ti) stainless steel float, (series 850) |
| RoHS conformance | R | Conformance to RoHS |
| DN | 25 | DN 25 |
| Body configuration | D | Straight through tube |
| Connection type | 7 | Union end with DIN insert (socket) |
| Metering tube material | 21 | PA, transparent |
| O-ring material | 14 | EPDM |
| Union material | 1 | Insert PVC-U, union nut PP grey |
| Metering tube size | 41 | Conus 41 |
| Measuring range | 400 | Maximum measuring range of flowmeter |
| Medium | Wasser | Water, Water |
| Temperature | 20°C | Medium temperature, Medium temperature |
| Scale minimum | 40 | Lower measuring range limit of scale, Lower measuring range limit of scale |
| Scale maximum | 400 | Upper measng range limit of scale, Upper measng range limit of scale |
| Unit | l/h | Litres per hour, Litres per hour |
