Features at a Glance
- Pressure and temperature measurement with a single sensor
- Compact, laser-welded stainless steel 316L housing
- 2 analog outputs: 4 ... 20 mA
- Temperature-compensated pressure measurement
FX2Q121 Pressure Sensor
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weFlux2 pressure sensors measure the relative pressure of any desired media in closed systems. The pressure acting upon the sensor is converted to an electronic signal. The analog outputs read out the measured pressure and temperature values as 4 to 20 mA signals.
Sensor-specific data | |
|---|---|
| Measuring Range | 0 ... 0.25 bar |
| Measurement Type | relative |
| Maximum overload pressure | 1 bar |
| Bursting pressure | 1.5 bar |
| Medium | Liquids, gases |
| Temperature Measurement Range | -40 ... 125 °C |
| Response time (t90) Temp | < 1 s |
| Pressure response time (t90) | < 10 ms |
| Temperature Measurement Accuracy | < ± 1 °C |
| Measuring error (total) | ± 0.5 % |
| Hysteresis | < ± 0.1 % |
| Linearity Deviation | < ± 0.5 % |
| Zero-point error | < ± 0.1 % |
| Repeat Accuracy | < ± 0.1 % |
| Temperature coefficient zero-point | <± 0,05% /10K |
| Temperature coefficient range | <± 0,05% /10K |
Environmental conditions | |
|---|---|
| Temperature of medium | -40 ... 125 °C** |
| Ambient temperature | -25 ... 80 °C |
| Storage temperature | -25 ... 80 °C |
| EMC | DIN EN 61326-2-3 |
| Shock resistance per DIN IEC 68-2-27 | 50 g / 11 ms |
| Vibration resistance per DIN IEC 60068-2-6 | 10 g (10...2000 Hz) |
Electrical Data | |
|---|---|
| Supply Voltage | 12 ... 32 V DC |
| Current Consumption (Ub = 24 V) | < 15 mA |
| Number of analog outputs | 2 |
| Analog Output | 4...20 mA |
| Signal source | Pressure |
| Resolution | > 11 bit |
| Current Output Load Resistance | < 500 Ohm |
| Short Circuit Protection | yes |
| Reverse Polarity Protection | yes |
| Protection Class | III |
Mechanical Data | |
|---|---|
| Sensor element | Ceramic membrane |
| Housing Material | Stainless steel, V4A (1.4404/316L) |
| Material in contact with media |
Stainless steel, V4A (1.4404 / 316L) Rubber, PTFE Ceramic |
| Degree of Protection | IP65 * |
| Connection | M12 × 1; 4-pin |
| Process Connection | G3/4"; front |
| Seal material | PTFE |
| Weight | 283 g |
Safety-relevant Data | |
|---|---|
| MTTFd (EN ISO 13849-1) | 1,157.11 a |
Output | |
|---|---|
| Analog Output | yes |
Standards and certificates |
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* Not UL certified
** Sensors up to 125 °C medium temperature suitable. During installation, please ensure that the sensor housing is sufficiently cooled by the surroundings.
Connection Diagram |
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Dimensioned Picture |
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Dimensions specified in mm (1 mm = 0.03937")
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ECAD data
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