DatasheetDescription
The ceramic capacitive measuring principle of the IP139 level transmitter is used in a wide range of industrial applications. In combination with a high-quality stainless steel housing, the sensor is suitable for almost all liquids and gases. The sensor is commonly used in pumping and lifting applications, where it guarantees long-term stable measurement. Our modular design concept provides a wide variety of products. Feel free to contact us if you need a customization that is not listed in this datasheet.
Applications:
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Technical data:
| Measuring ranges | Smallest measuring range: 0…100 mbar / 1 mH2O |
| Largest measuring range: 0…20 bar / 200 mH2O | |
| Analog output | 4…20 mA, 2-wires |
| Power supply | 20 mA output: 9…30 V DC |
| Accuracy | ≤ ± 0,3 % FS @ 25 °C |
| Long term stability | ≤ ± 0,3 % FS / Year |
| Response time | 200 ms – others on request |
| Swich-on time | < 1 s |
| Temperature coefficient | Zero: ≤ ± 0,015 % FS / Kelvin ≤ 200 mbar ≤ 0,025 % FS / Year |
| Span: ≤ ± 0,015 % FS / Kelvin ≤ 200 mbar ≤ 0,025 % FS / Year |
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| Medium temperature | -25…80 °C |
| Surrounding temperature | -25…80 °C |
| Storage temperature | -40…85 °C |
| Short-circuit resistance | Permanent |
| Reverse polarity protection | Protection against reverse polarity, but no function |
| Electromagnetic compatibility | Interference emissions and immunity acc. to EN 61326 |
| Wetted materials | Housing: Stainless steel 1.4404 |
| Sensor: Ceramic Al2O3 | |
| Process seal: FPM (Viton), EPDM, FFKM (Chemraz / Kalrez) | |
| Protection type | IP 68 |
| Weight | Approx. 550 g with 5m cable |