1. Performance specifications (Zero benchmark calibration range, under reference conditions, filled with silicone oil, 316 L stainless steel isolation diaphragm.) 1.1. Reference accuracy 1.1.1. Digital and intelligent: ± 0.1% calibration range 1.1.2. Simulation, linear: ± 0.2% calibration range 1.2. stability 1.5.1. Digital and intelligent: 6 months, ± 0.1% URL 1.5.2. Simulation, linear: 6 months, ± 0.2% URL 1.3. Environmental temperature impact 1.3.1. Numbers and Intelligence: Zero point error: ± 0.2% URL/56 ℃ Overall error: ± (0.2% URL+0.18% calibration range)/56 ℃ 1.3.2. Simulation, Linear Zero point error: ± 0.5% URL/56 ℃ Overall error: ± (0.5% URL+0.5% calibration range)/56 ℃ 1.4. Static pressure effect 1.4.1. Zero point At a static pressure of 31027kPa, it is ± 0.2% URL. Zero point error can be corrected online through zero adjustment. 1.4.2. Range Can be corrected to ± 0.25% output reading/6895kPa 1.5. vibration effect In any axial direction, the vibration effect at 200Hz is ± 0.05% URL/g 1.6. Power supply impact Less than ± 0.005% output range/volt. 1.7. Load impact: There is no load impact unless there is a change in the power supply voltage.
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1.8. Electromagnetic interference/radio frequency interference (EMI/RFI impact) When the field strength reaches 30V/M from 20 to 1000MHz, the output drift is less than ± 0.1% of the range. 1.9. Installation location impact The zero drift is at most ± 0.25kPa. All zero drift can be corrected; Has no impact on the measurement range.
2. Functional specifications 2.1. Measurement range: Differential pressure: 0-1.3~6890KPa Static pressure: 25, 32MPa 2.2. Zero point and range 2.2.1. Digital and intelligent: can be adjusted using the local range and zero buttons, or with a HART controller. 2.2.2. Simulation, linear: The range and zero point are continuously adjustable. 2.3. Zero point positive and negative transfer When zero point negative shift occurs, the lower limit of the range must be greater than or equal to - URL; When zero point is shifted forward, the upper limit of the range must be less than or equal to+URL. Verify that the range is greater than or equal to the minimum range. 2.4. output Digital and intelligent: 4-20mA DC, users can choose linear or square root output, and digital process variables are superimposed on the 4-20mA DC signal, which can be used by upper computers using the HART protocol. Simulation, linear: 4-20mA DC, linear with process pressure. 2.5. Damping time constant Digital and intelligent: The time constant is adjustable, increasing by 0.1 seconds from a minimum to 16.0 seconds. Simulation, linear: The time constant can be adjusted from a minimum of 1.67 seconds.
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