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The number of rotations is proportional to the cumulative flow rate, and the rotational speed is proportional to the instantaneous flow rate.
The impeller rotates due to the pressure of the fluid, and a non-contact pickup sensor detects the movement of the blades and outputs pulses. The rotation count is proportional to the cumulative flow, and the rotational speed is proportional to the instantaneous flow.
The turbine flow meter can utilize its measurement range better with lower viscosity.
The impeller rotates due to the pressure of the fluid, with the rotation speed proportional to the accumulated flow rate and the rotational velocity proportional to the instantaneous flow rate. A non-contact pickup sensor detects the movement of the blades and outputs pulses. While gear flow meters have a wider measurement range with higher viscosity, turbine flow meters can utilize their measurement range better with lower viscosity.
The OMG high and low temperature flow meter is a high-precision volumetric high-pressure flow meter. It has high measurement accuracy and can also be used as a reference instrument for flow calibrators.
The KRAL OMG series features a screw-type (helical gear) structure that allows fluid to flow linearly, resulting in significantly lower pressure loss compared to conventional gear meters (circular gear type), and enables high-precision measurement of ±0.1% R.S. The flow meter is calibrated at 5 mm²/s, allowing for high-precision measurements even at high temperatures (low viscosity) compared to circular gear meters. Therefore, it is hardly affected by temperature changes (changes in liquid viscosity). It can be used for a wide range of fluids, including fuels such as gasoline, diesel, kerosene, and heating oil, as well as hydraulic oils, lubricants, ATF, and oils, as well as urethane raw materials like polyols and isocyanates, inks, adhesives, sealants, PVC, greases, and other high-viscosity liquids, essentially for almost all fluids except water. High-precision measurement of ±0.1% R.S. is possible due to the precisely machined spindle. Direction detection (forward/reverse) is also available as an option. ◎ Specifications ◎ Operating pressure: MAX 25 MPa Viscosity range: 1 to 1,000,000 mPas Measurement accuracy: ± 0.1% R.S. Temperature range: -40 to +200°C (Varies depending on the type of pickup sensor)
