KOBOLD Instruments Inc • 1801 Parkway View Drive • 15205 Pittsburgh, PA • Tel: +1 412 788 2830 • E-mail: Please activate JavaScript visit koboldusa.com

dpt-durchfluss.png: Torsion Paddle Flow Meter / Monitor DPT

Torsion Paddle Flow Meter / Monitor DPT

Measuring range: 5 - 30 ... 850 - 1900 l/min water
Connection: G ... G 3, ... 3" NPT
Material: brass, stainless steel
pmax: PN40
tmax: 80°C
Accuracy: ±3 % of full scale

Torsion Paddle Flow Meter / Monitor DPT-..C3

Torsion Paddle Flow Meter / Monitor DPT-..C3

Torsion Paddle Flow Meter / Monitor DPT-..K

Torsion Paddle Flow Meter / Monitor DPT-..K


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Operating Instructions

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DPT - Operating Instructions

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The patented KOBOLD torsional paddle flow meter type DPT operates according to the diaphragm plate principle. For the first time, a flat torsion spring simultaneously acts as a mount for the paddle and as an elastic force. The device thus operates with almost no wear. The paddle comprises a diaphragm plate and a lever arm. When the diaphragm plate is moved by the flow in the flow direction, the lever arm is deflected by the force of the leaf spring.

This angular motion is transferred non-contacting through the casing wall by a magnet to a Hall-effect sensor with no losses. Different measuring ranges and instrument sizes are realized with the geometry of the lever arm, the diameter and shape of the diaphragm plate as well as the height and thickness of the leaf spring. Calibration nozzles can also be press-fitted to adapt the measuring ranges. The signal from the Hall-effect sensor is displayed by different electronic means and serves to monitor the volume flow.

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