Description 3051 Capacitive differential pressure transmitter
YD-3051 Series Digital & Smart Pressure/Differential Pressure Transmitter
The YD-3051 series is a multi-functional digital and intelligent transmitter developed on the basis of globally advanced capacitive sensor technology. It integrates sophisticated single-chip computing and digital sensor conversion to deliver high performance and reliability.
This product utilizes digital signal processing technology, offering excellent noise resistance and zero-point stability. It features zero-point automatic tracking (ZSC) and temperature automatic compensation (TSC). The integrated design of signal conversion, acquisition, processing, and current output ensures a compact and robust structure. The sensing component is known for its stability, reliability, and vibration resistance.
Key Features:
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Advanced capacitive sensor technology
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Digital signal processing with high noise immunity
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Automatic zero and temperature compensation
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All-in-one compact and reliable design
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Stable, shock-resistant sensing component
Detailed Images
Specification
| Range code | Range | Measuring range |
| | Min. | Max. | |
| 4 | 0.374KPa | 37.4KPa | -37.4~37.4KPa |
| 5 | 1.868KPa | 186.8KPa | -186.8~186.8KPa |
| 6 | 6.9KPa | 690KPa | -690~690KPa |
| 7 | 20.68KPa | 2068KPa | -2068~2068KPa |
Technical Data Capacitive
| Output | Analog output: two –wire 4-20mADC |
| | Digital output: two –wire 4-20mADC and superimposing variable digital signal accord with HART |
| Power supply | supply voltage 24VDC |
| Limit load | Max load resistor Rmax in loop decided by the supply voltage, see the below drawing. HART PROTOCOL require the load resistor not less than 250Ω,not more than 600Ω |
| Communication distance | Max. 1.5Km, multi-address communication can connect 15 smart transmitters Max. |
| Display | 4 digital display,5 digit LCD display, pointer type. |
| Explosion-proof | ExiaIICT5;explosion suppression type |
| Zero offset | Can positive transfer or negative transfer, but can not overstep the utmost value |
| Temperature | ambient temperature -40-85℃(When choose LCD : -20-70℃) |
| Medium temperature | -40~104℃ |
| Static pressure and single side overpressure | 3.45KPa(absolute pressure)~31.2MPa(gauge pressure) |
| Relative humidity | 5~98%RH |
| Run-up time | less than 5 sec. |
| Capability change | Less than 0.16cm3 |
| Damp adjust | 0.20~25 second |
| Malfunction alarming | If occur malfunction, automatism diagnose function will output 3.9 or 21.0mA |
| Configuration protection | To avoid the datas are modified random, can utilize software or protect switch lock the record data |
| Reference condition | zero is the lower limit and not offset, temperature 25℃, Atmospheric pressure, 24VDC power, silicon oil , diaphragm 316L, data adjust range the same as the up and lower limit of the range. |
| Accuracy | ±0.075~±0.2% |
| Stability | ≤0.2%URL/year |
| Tem. influence | ±(0.05%URL+0.15%FS+200Pa)20℃ |
| Static pressure influence | zero error 0.1URL/6.9Mpa; Zero error 0.1URL/1.7MPa |
| Vibration influence | withstand frequency 200Hz at any direction, arouse error ±0.05%URL |
| Power influence | <0.005%/V |
| Load influence | no load influence |
| Mounting position influence | about 250Pa zero offset, can be eliminate via calibration, no range influence. |
| RF interference influence | drift is ±0.1%span in the condition of 30-1000MHz frequency and the most field intensity 10V/m |
Note:The model belongs to the project special pressure transmitter ,all data can be custom according to the customers requirements.
Features
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Core Sensor: Single-crystal silicon resonant sensor technology
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Measurement Capability: Pressure, differential pressure, and temperature
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Accuracy: ±0.075% to ±0.2% F.S
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Long-term Stability: ≤0.2% per year
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Output & Communication: 4–20 mA standard output, RS-485 interface
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Intelligent Features: Supports field-based control function upgrades
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Environmental Performance: Low temperature drift, minimal static pressure effect
Applications Fields
Chemical equipment, hydraulic engineering, industrial gases, hydraulic systems, and related industrial sectors.
Related products
Xi'an Yunyi Instrument Co., Ltd
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