Differential pressure transmitter

1.1. Reference accuracy
1.1.1. Digital, intelligent: + 0.2% for calibration
1.1.2. Simulation, linear: + 0.5% for calibration
1.2. Stability
1.2.1. Digital, intelligent, 6 months, plus or minus 0.2% URL
1.2.2. Simulation, linear: 6 months, plus or minus 0.5% URL
1.3. The environment temperature influence
1.3.1. Digital, intelligent:
Zero error: plus or minus 0.2% URL / 56 ℃
Overall error: plus or minus (URL + 0.18% 0.2% calibration) / 56 ℃
1.3.2. Simulation and linear
Zero error: plus or minus 0.5% URL / 56 ℃
Overall error: plus or minus (URL + 0.5% 0.5% calibration) / 56 ℃
1.4. Static pressure
The zero error of plus or minus 0.5% URL.Online correction by zero again.
1.5. Vibration effect
In any axis upwards, 200 hz vibration under the influence of plus or minus 0.5% URL/g
1.6. The power influence: less than + / - 0.005% output range/volts.
1.7. The load impact:
No load effects, unless the power supply voltage are changed.
1.8. EMI/RFI (EMI/RFI)
From 20 to 1000 MHZ, the field intensity to 30 v/M, the output drift is less than + / - 0.1% range
1.9. Installation position
Zero drift up to + / - 0.25 kPa.Is available to all of the zero drift correction;Do not have influence to the range.

2. The functional specification
2.1. The measuring range: differential pressure: 0-0.125 ~ 1.5 KPa
Static pressure: 1, 4, 6.9 MPa
2.2. The zero and span
2.2.1. Digital, intelligent: available native range and zero button, or use the HART hand remote adjustment

2.2.2. Simulation, linear: continuous adjustable range and zero
2.3. Zero of positive and negative transfer
Zero, negative transfer of the range limit must be greater than or equal to - URL;Zero, positive transfer the upper limit of range must be less than or equal to + URL.Calibration is greater than or equal to the minimum range.
2.4. The output
Digital, intelligent,
4 ~ 20 ma DC, users can choose linear or square root output, digital superposition of process variables on 4 ~ 20 ma DC signal, will be available for PC using HART protocol.
Simulation, linear: 4 ~ 20 ma DC, and pressure into a linear process.
2.5. The damping time constant
Digital, intelligent: time constant is adjustable, increasing by 0.1 seconds, from the smallest to 16.0 seconds
Simulation, linear: time constant is adjustable, from the smallest to 1.67 seconds.
2.6. The environment temperature limit
Digital, intelligent, and 40 to 85 ℃
Simulation, linear: - 40 to 93 ℃
With LCD header: - 30 to 60 ℃
2.7. Process temperature limit
Silicone oil filling: - 40 to 104 ℃
Inert liquid filling: - 18 to 71 ℃
2.8. Storage temperature limit
Digital, intelligent: - 51 to 85 ℃
Simulation, linear: - 51 to 121 ℃
With LCD header: - 40 to 70 ℃
2.9 environmental humidity
0-100% relative humidity
2.10. Static pressure and overpressure limits
On either side transducer with 0 to 6.9 MPa pressure does not cause damage.Within the scope of 3.45 kPa to 6.9 MPa hydrostatic work conform to the requirements of the performance specifications.
2.11. Volume variation
Less than 0.16 cm3

1151DR

Differential pressure transmitter