- Introduction
- Technical data
- Electrical connection
- Dimensions
- Applications
The PT-401 pressure transmitter is a special product developed by our company for the refrigerant industry. Adopting the piezoresistive sensor core of an internationally renowned company, through a high-reliability amplifying circuit and precise digital temperature compensation and nonlinear correction technology, the pressure of the measured medium is converted into 4~20mA, 0~5VDC analog signal; unique protection Condensation design avoids damage to the circuit board due to condensation of water vapor in the sensor cavity. With high stability and high-cost performance, it can be widely used in refrigeration industries such as air conditioners, refrigerators, freezers, and water-cooled screw units.
PT-401 Pressure Transmitter Features
- High-performance diffused silicon sensor core with high-integration bridge pressure sensor signal conditioning dedicated advanced chip.
- Digital temperature compensation and nonlinear correction.
- Anti-condensation design to avoid condensation affecting the product.
- Small size, easy installation, multiple signal output, standard Parker plug, wide adaptability.
- High sensitivity, high precision, high stability.
- Full temperature compensation, good electrical performance, long-term stability.
- 1-year warranty.
If you are interested in our products, please contact us.
| Range | 0～0.1 MPa…4MPa | ||
| Type of Pressure | Gauge pressure, absolute pressure, sealed pressure | ||
| Overload Pressure | 200%FS | ||
| Process Connection | 7/16-20UNF can be customized | ||
| Comprehensive Accuracy | ±1%FS, ±0.5％FS | ||
| Temperature Compensation Range | ±0.3%FS/year | ||
| Long-term Stability | -10～70℃ | ||
| Operating Temperature | -40℃~85℃ | ||
| Storage Temperature | -40℃~125℃ | ||
| Protection Level | IP65 | ||
| Supply voltage (DC) | 11-36V | 3-5V | |
| Output Signal | 4-20mA | 0-5V | 0-5V |
| Load Resistance | 50 (U-10)Ω【4-20mA】, greater than 10KΩ【V】 | ||
| Material | Sensor: ceramic; housing: stainless steel 304; cable: PVC; waterproof ring: HNBR | ||
| Medium Adaptability | Various fluids that are non-corrosive to 316L stainless steel | ||
| Vibration | 10gRMS, (20～2000)Hz | ||
| Shock | 100g, 11ms | ||
| Insulation | Greater than 100MΩ @250VDC | ||
| Response Time | Less than 1ms (@90%FS) | ||
| CE Certification | EMC: IEC61326-1 Class B | ||
| Electrostatic discharge immunity: IEC61000-4-2 | |||
| Electromagnetic field immunity: IEC61000-4-3 | |||
| EFT immunity: IEC61000-4-4 | |||
| Surge immunity: IEC61000-4-5 | |||
| Output signal | 2-wire | 3-wire |
| 1/red | Vin | Vin |
| 2/black | Iout | Gnd |
| 3/white | NC | Vout |
Pressure transmitters are used in the HVAC industry.
