ZY-1151DR Micro Differential Pressure Transmitter

1.1. Reference accuracy
1.1.1. Digital and intelligent: ± 0.2% calibration range
1.1.2. Simulation, linear: ± 0.5% calibration range
1.2. stability
1.2.1. Digital and intelligent: 6 months, ± 0.2% URL
1.2.2. Simulation, linear: 6 months, ± 0.5% 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
The zero point error is ± 0.5% URL. It can be corrected online by resetting the zero.
1.5. vibration effect
In any axial direction, the vibration effect at 200Hz is ± 0.5% 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 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: 0-0.125-1.5KPa
Static pressure: 1, 4, 6.9MPa
2.2. Zero point and range
2.2.1. Digital and intelligent: can be adjusted with local range and zero buttons, or remotely adjusted with a HART controller

2.2.2. Simulation, linear: range and zero point continuously adjustable
2.3. Zero point positive and negative transfer
When zero point negative shift occurs, the lower limit of the range is greater than or equal to - URL; When the zero point is shifted forward, the upper limit of the range is 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 the digital process variable is superimposed on a 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.
2.6. Upper limit of ambient temperature
Digital and intelligent: -40 to 85 ℃
Simulation, linear: -40 to 93 ℃
Equipped with LCD meter head: -30 to 60 ℃
2.7. Upper limit of process temperature
Silicone oil filling: -40 to 104 ℃
Fill with inert liquid: -18 to 71 ℃
2.8. Upper limit of storage temperature
Digital and intelligent: -51 to 85 ℃
Simulation, linear: -51 to 121 ℃
Equipped with LCD meter head: -40 to 70 ℃
2.9. ambient humidity
0-100% relative humidity
2.10. Static pressure and overpressure upper limit
Applying a pressure of 0 to 6.9 MPa on either side of the transmitter will not cause damage. Meets performance specifications when operating within a static pressure range of 3.45kPa to 6.9MPa.
2.11. Volume change amount
Less than 0.16cm3