When selecting a flowmeter for demanding fluids, the issue of material resistance always arises. The KRAL flowmeter OMS series is a stainless steel design for low and high viscous media, equipped with ball bearings or plain bearings depending on the application.
| Technical data | OMS-020 | OMS-032 | OMS-052 | OMS-020 | |
|---|---|---|---|---|---|
| Media | Low viscosity | Low viscosity | Low viscosity | High viscosity | |
| Nominal diameter | DN inch | ¾ | 1 | 1 ½ | ¾ |
| Flow rate l/min | Qmax | 45 | 150 | 525 | -** |
| Qnom | 30 | 100 | 350 | 10 | |
| Qmin | 0.6* | 2.0* | 7.0* | 0.04* | |
| Max. pressure | bar | 185 | 185 | 120 | 400 |
| Temperature | °C | -20 to +150 | -20 to +150 | -20 to +150 | -20 to +80 |
| Viscosity | mm²/s | 1 to 10² | 1 to 10² | 1 to 10² | 10² to 10⁶ |
| Precision | of measurement value | ±0.1 %* | ±0.1 %* | ±0.1 %* | ±0.5 % |
| Repeatability | ±0.01 % | ±0.01 % | ±0.01 % | ±0.01 % | |
| K-factor | P/I | 1,280 | 468 | 142 | 66,000 |
| Frequency | at Qnom Hz | 640 | 780 | 828 | 11,000 |
