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Technical parameters of HART Protocol Digital Communication Intellectual Differential Pressure Transmitter :

1  Measuring range: gauge:-100kPa ~ 0 ~ 1kPa ~ 260MPa 
 Differential pressure: 0 ~ 500Pa ~ 3.5MPa  Absolute pressure: 0 ~ 10kPa ~ 60MPa 
2. Communication: RS485 (MODBUS RTU protocol) 
3. Accuracy class: 0.1, 0.2, 0.5 
4. Stability: better than 0.1% FS / year better than 0.2% FS / Year 
5. Display: LCD digital display dynamic four (equivalent to four and a half) plus Han 
 Word prompts, you can display kPa, MPa pressure units etc. 
 6. Overload pressure: 1.5-3 times the range, depending on the measurement range may be 
 7. Communications Power: 7 ~ 30VDC external power supply 
 8. Medium temperature: -40 ~ 85 °C 
 9. Working environment: Temperature: -30 °C ~ 60 °C; Humidity: <90% 
10. Explosion levels: ExiaIIBT4, ExdIIBT4 
11. Electrical connection: M20 × 1.5 (female) 
12. Process connection: M20 × 1.5 (male) or according to user requirements  

Features of  485 communications digital pressure transmitter :

1 Long life, high accuracy, long-term stability 
2 Advanced power management technology 
3 Unique RFI technology, a perfect match for digital radio remote monitoring 
4 Support RS485 communication, never dropped communications technology, bus supports 255 devices 
5 Enhanced lightning technology to ensure the security instrument 
6 White backlight, clear display 
7 Zero self-stabilization technology 
8 vTemperature compensation  

About Us:
Xi'an Yunyi Instrument Co., Ltd. is a professional manufacturer that engaged in the fields of pressure measurement instrument, the chief engineer Mr Tian has more than 30 years on this area, he is one of the engineers who introduced the Rosemount technology. We specializing in developing high precision pressure transmitter and pressure gauges. And we also develop temperature transmitter, level transmitter, densitometer etc. They are widely used in chemical, petroleum, paper, electricity, city gas, environmental protection, water treatment and other fields.

If you need this  485 communications digital pressure transmitter , please visit the website

Vivian Zhou