1.1. Reference accuracy 1.1.1. Digital, intelligent: ±0.1% check range 1.1.2. Simulation, linearity: ±0.2% check range 1.2. Stability 1.2.1. Digital, Intelligent: 6 months, ±0.1%URL 1.2.2. Analog, linear: 6 months, ±0.2%URL 1.3. Impact of ambient temperature 1.3.1. Digital and intelligent zero point error: ±0.2%URL/56℃ Overall error: ±(0.2%URL+0.18% check range) /56℃ 1.3.2. Simulation, linear zero point error: ±0.5%URL/56℃ Overall error: ±(0.5%URL+0.5% check range)/56℃ 1.4. Static pressure effect 1.4.1. Zero point: ±0.2%URL at 13790kPa for ranges 4 to 8; Other ranges are ±0.25%URL. Zero error can be corrected online by rezeroing. 1.4.2. Range: Correctable to ±0.25% output reading /6895kPa, for range 3, correctable to ±0.5% output reading /6895kPa 1.5. At any axis, the vibration effect is ±0.05% at 200Hz. Power supply effect is less than ±0.005% output range/volt.

1.7. Load effect: There is no load effect unless the supply voltage changes. 1.8. Electromagnetic interference/radio frequency interference (EMI/RFI influence) from 20 to 1000MHz, field strength up to 30V/M, the output drift is less than ±0.1% range. 1.9. The installation position affects the zero drift to ±0.25kPa at most. All zero drift can be corrected; It has no effect on the range. Measuring range: differential pressure: 0-1.3 ~ 6890KPa static pressure: 4, 10, 14MPa 2.2. 2.2.1. Digital and intelligent: range and zero button can be adjusted on the machine, or remote adjustment with HART manual operator. 2.2.2. Simulation and linearity: range and zero point are continuously adjustable. 2.3. Zero positive and negative transfer When zero negative transfer, the lower limit of the range must be greater than or equal to -URL; For zero positive migration, the upper limit of the range must be less than or equal to +URL. The check range is greater than or equal to the small range. 2.4. Output digital, intelligent: 4 ~ 20mA DC, users can choose linear or square root output, digital process variables superimposed on 4 ~ 20mA DC signal, can be used by the host computer using HART protocol. Analog, linear: 4 ~ 20mA DC, linear with process pressure.

1151/3351DP

Differential pressure transmitter