P7 – Smart Differential Pressure Transmitter
The P71 and P72 transmitters use advanced monocrystalline silicon sensors, ensuring high accuracy, stability, and reliability in demanding environments. Featuring digital compensation, HART communication, and a modular microprocessor design, they offer superior anti-interference and long-term stability, ideal for precise pressure monitoring.
Applications
✔ Oil & Gas – Pipeline pressure, wellhead control.
✔ Chemical Processing – Reactor and system pressure control.
✔ Power Generation – Steam pressure, turbine control.
✔ Pharmaceuticals – Cleanroom and production monitoring.
✔ Water Treatment – Filtration and pump station monitoring.
Description
The P7 series smart pressure and differential pressure transmitters integrate cutting-edge silicon sensor technology for high-precision and stable measurements. A single-crystal silicon sensor is strategically placed atop a metal body, ensuring mechanical and thermal isolation from the medium. The glass sintering unit enhances electrical insulation, improving circuit flexibility and resistance to transient voltage.
With a modular microprocessor-based design and advanced digital isolation technology, the P7 series offers exceptional anti-interference and long-term stability. It supports HART protocol communication, enabling remote operation via HART handheld communicators or PC software. A built-in temperature sensor and digital compensation technology ensure high accuracy with minimal temperature drift.
Designed for hazardous environments, the P7 series features a one-key reset function and a user-friendly shortcut menu for easy configuration and operation.
Features
✔ High Precision – Dual compensation technology ensures 0.075% accuracy for precise pressure measurement.
✔ Advanced Sensor Technology – Utilizes monocrystalline silicon pressure sensors and cutting-edge packaging technology for superior performance.
✔ Modular Design – Microprocessor-based architecture enhances flexibility and functionality.
✔ Exceptional Stability – Digital isolation technology provides strong anti-interference capabilities and long-term measurement stability.
✔ HART Protocol Communication – Allows remote monitoring and configuration via HART handheld communicators or PC software.
✔ Temperature Compensation – Built-in temperature sensor and digital compensation technology reduce temperature drift, improving measurement accuracy.
✔ User-Friendly Operation – Features one-key reset for safety and shortcut menus for easy parameter adjustments.
Specification
| Measuring medium | Gas, steam, liquid |
| Accuracy | ±0.2%,±0.075%,±0.1%( linearity, hysteresis and repeatability from zero) |
| Stability | ±0.1%/3 years |
| Power supply | 10～36Vdc(24Vdc recommended) |
| Measuring medium temperature | -40℃~120℃ |
| Display | LCD, OLED |
| Explosion-proof rating | Exd Ⅱ CT6,Exia Ⅱ CT4 |
| IP Rating for Housing | IP65(P71); IP67(P75, P76, P78) |
Datasheet
P71 P72 Smart Differential Pressure Transmitter Datasheet
