Brief introduction
A pressure transducer, often called a pressure transmitter, is a transducer that converts pressure into an analog electrical signal. Although there are various types of pressure transducers, one of the most common is the strain-gage base transducer.
The conversion of pressure into an electrical signal is achieved by the physical deformation of strain gages which are bonded into the diaphragm of the pressure transducer and wired into a wheatstone bridge configuration. Pressure applied to the pressure transducer produces a deflection of the diaphragm which introduces strain to the gages. The strain will produce an electrical resistance change proportional to the pressure.
Typical Specifications
Medium | Gas, liquid, oil |
Measuring range | Gauge pressure(G)---Max(0 ~ 60)MPa, Min(0 ~ 0.5)KPa |
Absolute Pressure(A)---Max(0 ~ 60)MPa, min (0 ~ 5)KPa | |
Negative pressure(B)--- Max (-100KPa ~ 60)MPa, Min(-0.2 ~ 0.2 )KPa | |
Accuracy | 0.25, 0.5 |
Overload capability | 2-3 times of Measuring range |
Long-term stability | <0.2%FS/yr, <0.5%FS/yr |
Power supply | 15 ~ 36 VDC(rated 24VDC) |
Output | (4 ~ 20)mA (2/3/4 line), (0 ~ 10/20)mA, (0 ~ 5)V, (1 ~ 5)V, (0 ~ 10)V |
Working temperature | -40 ~ 80°C Temperature Compensation:-20 ~ 70 °C |
Process connection | M20×1.5or customized |
Weather proof | IP65 |
Optional radiator | Up to 300°C |
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