Variable Area Flow Meter / Flow Switch Model DS01

1/4” to 1-1/4” Pipe Size, Pressure to 230 PSI, Temperature to 320°F


The flow meter and flow switch model DS01 works according to a modified variable area principle.

The float is guided in a cylindrical measuring glass by means of a spring. The flowing medium moves the float in the flow direction. The upper edge of the float shows the momentary flow via a burnt-in scale on the measuring glass.

A Reed contact is mounted outside the meter in a sealed housing. When the float reaches the position of the Reed contact, the switch will close. With higher flows, the float moves further upward until it reaches a built-in float stop, still keeping the switch closed. This ensures a bistable switch function at any time.

The Reed contact is adjustable over the full switching range of the meter.

PKP Logo

This product sold by PKP Process Instruments, Inc., a joint venture of Clark Solutions and PKP Prozessmesstechnik GmbH.

10 Brent Drive, Hudson, MA 01749
Tel: 978-212-0006
Fax: 978-568-0060

Flow Switch Model DS01
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