Calorimetric Indicator/Switch KAL-K

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Calorimetric Indicator/Switch KAL-K
  • Giá NY: Liên hệ
  • Giá bán: Liên hệ
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Switching range: 4 cm/s ... 2 m/s
Connection: G ¼...G 3/4, ¼ NPT...¾ NPT, M12x1, Tri Clamp
Material: st. st.
Max. pressure: 100 bar
Max. temperature: 80 °C
Repeatability: aprox 2 % 
LED-chain, relays
Method of operation The model KAL-... electronic flow monitor continuously monitors liquid media. It is suited for securely monitoring flows with minimum pressure loss. Sensitivity to soiling is significantly reduced by means of a single-part sensor. Theory of operation The operation of the model KAL-... electronic flow monitor is based on the calorimetric principle. The end face of the sensor is heated to a few degrees above the temperature of the flow medium. When the medium flows, the heat generated in the sensor is transferred to the medium, ie, the sensor is cooled. The cooling procedure is an accurate measure of the flow velocity. The sensor signal is compared with the reference data stored in a microcontroller. An alarm signal and/or an analogue signal (4 - 20 mA) that is proportional to the flow velocity is output if the actual flow velocity deviates from the desired flow velocity. The microcontroller allows the flow indicator to be easily calibrated and the temperature to be compensated.
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