3051 Gas Absolute Differential Pressure Transmitter 4 - 20ma High Accuracy Differential Pressure Sensor
Transmitter 420 Ma 4-20 400 Bar 3051 Vacuum Pressure Sensor
Description 3051 Intelligent Capacitive Differential Pressure transducer
Generation of intelligent pressure transmitters. In principle, a dedicated digital processing chip is used to perform temperature and static pressure using digital compensation techniques.
Compensation to improve measurement accuracy while reducing temperature effects. The sensor that breaks through the traditional design concept is integrated with the dedicated chip circuit.
The transmitter has the characteristics of high precision, small size, light weight, convenient adjustment, high reliability and long-term stability.
EST3051 intelligent pressure transmitter has complete specifications, easy installation and use, safety and explosion protection, and can be widely used in petrochemical and electric power.
In the industries of force, metallurgy, pharmaceutical, food processing, etc., the products conform to the national "IEC" standards.
Detailed Images 3051 Intelligent Capacitive Differential Pressure transducer
Specification 3051 Intelligent Capacitive Differential Pressure transducer
| 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 3051 Intelligent Capacitive Differential Pressure transducer
Single crystal resonant silicon sensor technology
Super performance, use to measure pressure, differential pressure and temperature..
Accuracy: ±0.075%~±0.1%F.S/±0.2%F.S
Stability: ≤0.2%
Standard 4~20mA,RS-485 communication interface
Support upgrade of basic scene control technique
Little temperature effect
Little static effect
Applications 3051 Intelligent Capacitive Differential Pressure transducer
Single crystal resonant silicon sensor technology
Super performance, use to measure pressure, differential pressure and temperature..
Accuracy: ±0.075%~±0.1%F.S/±0.2%F.S
Stability: ≤0.2%
Standard 4~20mA,RS-485 communication interface
Support upgrade of basic scene control technique
Little temperature effect
Little static effect
Overload can reach 2 times
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