Applications Applicable for system or equipment accessories which conduct pressure acquisition by RS485 communication; Pressure monitoring and remote teleportation of oil well and gas well; Applicable for pressure parameters networking acquisition of large area. Features Long service life, high accuracy and good long term stability; Advanced power supply management technology Unique anti-radio frequency technology, perfectly matching with data radio teleportation monitoring Support RS485 communication, always online communication technology, bus can support 255 devices. Enhanced thunderbolt prevention technology, to ensure safety of instrument work White backlight, with clear display Zero point homeostasis technology Temperature compensation technology Data sheet 1.Measurement Range: Gauge Pressure:-100kPa~0-1kPa~260MPa( Optional within the range) Differential Pressure:0~500Pa~3.5MPa( Optional within the range) Absolute Pressure:0~10kPa~60MPa( Optional within the range) 2. Communication Modes: RS485, RS232, MODBUS 3. Accuracy Grade: 0.1, 0.2, 0.5 4. Stability: superior than 0.1%FS/year, 0.2%FS/year 5. Display Mode: dynamic 4 digits LCD digital display (equal to 4 digits), with KPa, MPa, and other pressure units 6. Overload Pressure: 1.5-3 multiple range, which depends on measurement range 7. Communication Power Supply: 10~30VDC external power supply 8. Medium Temperature: -40~85J 9. Working Conditions: Temperature:-30~70J; Humidity