SL940021, sensor flow, Calorimetric, 139x80x135mm, G1 1/2 inch, 12-36V DC, 1x Relay contact NO (NO), 4-20mA, Plug-in connection M12 5pin, Plastic PC, Pressure resistance 16bar, With display, Parameterization
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Description
The function of the flow sensor is based on the calorimetric principle. The probe is heated up from the inside a few degrees Celsius in relation to the flow medium, in which it protrudes. When the medium flows, the heat generated in the probe is dissipated through the medium. The temperature within the sensor is measured and compared with the likewise measured medium temperature. From the obtained temperature difference the flow state of each medium can be derived. These sensors are applied in areas such as monitoring of cooling systems, ventilation systems, pump dry running by checking the presence of liquid or gas flows.
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Technical data
| Proces connection | G1 1/2 inch |
| Type of electrical connection | Plug-in connection M12 |
| Output function | Normally open contact (NO) |
| Ambient temperature >80*C | no |
| Ampacity | 140mA |
| Flow measurment | yes |
| For pneumatic applications | yes |
| Air conditioning / ventilation | yes |
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