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The KDS all-metal, low-volume variable-area flow meter, also known as a rotameter, is designed for flow measurement of suitable liquids or gases. It provides indication of the current flow rate in volume or mass per unit of time. The rotameter consists of a conical stainless steel measuring tube and a vertically movable float. The valve for setting the flow rate is built-in (only for KDS-K/C). The media flows from bottom to top through the metering tube of the flow meter. The float is lifted until an annular gap between the measuring cone and the float is produced which corresponds to the flow. The height of the float resulting from the flow rate is transmitted by the permanent magnet in the float through the magnetic tracking system, rotating the pointer axis of the analog indicator unit.
KDS – All-Metal, Low-Volume Variable Area Flow Meter
Product Specifications
| Measuring Range Liquid | 0.1…1 L/h to 20…200 L/h |
| Measuring Range Gas | 3…30 Nl/h to 600…6000 Nl/h |
| Fittings | ¼” NPT Thread |
| Wetted Material | 316 St. Steel |
| Max. Pressure | 40 Bar (Higher pressures available upon request) |
| Max. Temperature | -40…130 °C (-25..100 °C w/Contact) |
| Accuracy | ± 3 % FS |
| Media Categories | Liquid or Gas |
All-Metal Design
For Measurement of Low Flow Rates
Compact Size
Optional Switches, Analog Transmitter
Certificates/Approvals: ATEX, IECEx, SIL
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