Explosion proof remote transmission intelligent 30513851 pressure transmitter

Explosion proof remote transmission intelligent 30513851 pressure transmitterUsed to measure the liquid level, density, and pressure of liquids, gases, or vapors, and then convert them into 4-20mA Nahe 3051 differential pressure transmitters for measuring the liquid level, density, and pressure of liquids, gases, or vapors, and then convert them into 4-20mA DC signal outputs. The intelligent 3051 differential pressure transmitter can communicate with the HART controller for setting, monitoring, or forming an on-site monitoring system with the upper computer.

1. Performance specifications(Zero benchmark calibration range, under reference conditions, filled with silicone oil and 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

1.2.1. Digital and intelligent: 6 months, ± 0.1% URL

1.2.2. Simulation, linear: 6 months, ± 0.2% URL

1.3. Environmental temperature impact

1.3.1. Digital and intelligent

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 influence

1.4.1. Zero point: for ranges 4 to 8, ± 0.2% URL at 13790kPa; The other ranges are ± 0.25% URL. Zero point error can be corrected online by resetting to zero.

1.4.2. Range: can be corrected to ± 0.25% output reading/6895kPa, for range 3, can be corrected to ± 0.5% 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.

1.8. Electromagnetic interference/radio frequency interference (EMI/RFI interference), ranging from 20 to 1000MHz, with output drift less than ± 0.1% of the range when the field strength reaches 30V/M.

1.9. Installation position influence: 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: 4, 10, 14MPa;

2.2. Zero point and range

2.2.1. Digital and intelligent: The range and zero point buttons of the device can be adjusted locally, or remotely adjusted using a HART controller.

2.2.2. Simulation and linearity: The range and zero point are continuously adjustable.

2.3. Zero positive and negative migration: When zero negative migration 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 Z small range.

2.4. output:

Digital and intelligent: 4-20mA DC, users can choose linear or square root output, digital process variables are superimposed on the 4-20mA DC signal, which can be used by upper computers using HART protocol.

Simulation, linear: 4-20mA DC, linear with process pressure.

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