YD3051 Differential Pressure Transmitter
The YD3051 is a high-performance differential pressure transmitter
designed for precise and reliable pressure measurement in demanding
industrial environments. It features advanced sensor technology,
robust construction, and flexible configuration options, making it
suitable for a wide range of applications including flow, level,
and pressure monitoring. With high accuracy, excellent long-term
stability, and support for the HART communication protocol, the
YD3051 ensures optimal process control and efficiency.
Technical Parameters
| Category | Parameter | Specification |
|---|
| General Performance | Accuracy | ±0.2%, ±0.075%, or ±0.1% (includes linearity, hysteresis,
repeatability) |
| Long-term Stability | ±0.1% per 3 years |
| Output Signal | 4-20 mA two-wire, HART protocol; Linear or Square Root selectable |
| Signal Limits / Fault Alarm | Imin = 3.9 mA (Low Alarm), Imax = 21.0 mA (High Alarm, default) |
| Response Time | Amplifier damping: 0.1s; Sensor time constant: 0.1-1.6s; Adjustable
damping: 0-100 s |
| Warm-up Time | < 15 seconds |
| Environmental | Power Supply | 10 - 36 V DC (Recommended: 24 V DC) |
| Power Influence | Negligible (±0.001% / 10V) |
| Ambient Temperature | -40 °C to +85 °C |
| Medium Temperature | -40 °C to +120 °C |
| Display Options | LCD or OLED |
| Enclosure Protection | IP67 |
| Explosion-proof Ratings | Exd IICT6 / Exia IICT4 |
| Influences | Ambient Temp. Effect | ≤ ±0.04% URL / 10 °C |
| Static Pressure Effect | ±0.05% / 10 MPa |
| Installation Position | No zero drift when mounted perpendicular to diaphragm; zero
adjustment required for >90° orientation changes. |
Key Features & Advantages
High Accuracy & Stability: Offers exceptional measurement accuracy up to ±0.075% and
excellent long-term stability of ±0.1% over three years, ensuring
consistent and reliable data.
Robust & Versatile: Built to withstand harsh conditions with a wide operating
temperature range, high IP67 enclosure rating, and multiple
explosion-proof certifications.
Flexible Configuration: Zero and span can be adjusted arbitrarily within the measuring
range. Users can select between linear or square root output and
adjust damping time to suit specific application needs.
Intelligent Communication: Features 4-20 mA output with superimposed HART protocol for easy
remote configuration, calibration, and diagnostics.
Quick Start-up: Fast pre-heating time of less than 15 seconds allows for rapid
system commissioning.
Typical Applications
The YD3051 is ideal for various industrial sectors, including:
Process Industries: Flow measurement (orifice plates, venturi tubes), level
measurement in tanks and vessels, and filter monitoring.
Water & Wastewater Treatment: Monitoring pump performance, filter clogging, and differential
pressure across valves.
HVAC Systems: Measuring air and liquid flow rates for energy management and
control.
Power Generation: Monitoring critical pressure differentials in boilers, turbines,
and filtration systems.
