Metal Capacitance Type Differential Pressure Transmitter Cell
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Dp Pressure Sensor Product Description
| Item | Parameters |
| Accuracy | ±0.1% |
| Stability | ±0.2% (12 months) |
| Temp Range | -40℃ ~ +140℃ |
| Temp Affect | zero erro: ±0.25% / 55℃ |
range erro: ±0.5% / 55℃ | |
| Static Pressure | DP 13.8MPa HP 25MPa DR 6.9MPa |
| Overpressure Limit | AP GP 13.8 MPa DR DP HP |
| Diapgragm Material | 316Lss Hastelloy C Tantalum |
Capacitance Pressure Sensor Features
Stability:0.2%/Year
Range:250pF ±20PF
Zero:130pF ±20PF
Accuracy:Nominal Range 0.1%
Model Number:AT3051
- Process Temperature Range:-40 to 104°c
Stability:0.2%/Year
Fill Fluid：Silicone /Fluorine Oil
Wiring System:3-Wire,5-Wire
Housing Material:316SS
Overpressure Limit:AP GP 13.8Mpa DR DP HP
Diff Pressure Sensor Industry Application
Application:Excellent resistance against aggressive media
Dpt Pressure Sensor Range
| Product name | Code | Range |
| capacitive pressure sensor | 2E | 0-0.125-1.5kPa |
| 3E | 0-1.3-7.5kPa | |
| 4E | 0-6.2-37.4kPa | |
| 5E | 0-31-186.8kPa | |
| 6E | 0-117-690kPa | |
| 7E | 0-345-2068kPa | |
| 8E | 0-1170-6890kPa | |
| 9E | 0-3480-20680kPa | |
| 0E | 0-6890-41370kPa |
| Model | Stability | Temp Limit | Pressure Limit | Range |
| AT3051DP | ±0.1%URL | -40~140℃ | 13.79MPa | 1.3~6890KPa |
| AT3051GP | ±0.1%URL | -40~140℃ | 13.79MPa | 1.3~41370KPa |
| AT3051DR | ±0.2%URL | -40~140℃ | 6.9MPa | 0.125~1.5KPa |
| AT3051HP | ±0.1%URL | -40~140℃ | 31.02MPa | 6.2~2068KPa |
| AT3051AP | ±0.1%URL | -40~140℃ | 13.79MPa | 6.2~6890KPa |
| AT3051LT | ±0.2%URL | -40~140℃ | 638~70380mmH2O | |
| AT3051DP | ±0.1%URL | -40~149℃ | 13.79MPa | 635~6895KPa |
| AT3051GP | ±0.1%URL | -40~149℃ | 51.71MPa | 635~6895KPa |
| AT1151DP | ±0.1%URL | -40~140℃ | 13.79MPa | 1.3~6890KPa |
| AT1151GP | ±0.1%URL | -40~140℃ | 51.71MPa | 1.3~41370KPa |
| AT1151DR | ±0.2%URL | -40~140℃ | 6.9MPa | 0.125~1.5KPa |
| AT1151HP | ±0.1%URL | -40~140℃ | 31.02MPa | 6.2~2068KPa |
| AT1151AP | ±0.1%URL | -40~140℃ | 13.79MPa | 6.2~6890KPa |
| AT1151LT | ±0.1%URL | -40~140℃ | 635~70380mmH2O | |
| AT1151DP | ±0.1%URL | -40~140℃ | 13.79MPa | 6.2~6890KPa |
| AT1151GP | ±0.1%URL | -40~140℃ | 13.79MPa | 6.2~6890KPa |
| AT2088 | ±0.5%URL | -40~120℃ | -0.1~40KPa | |
| SP | ±0.5%URL | -20~80℃ | -0.1~40MPa | |
| SH-A | ±0.5%URL | -20~80℃ | 0~200m |
Production Line
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High Accuracy Capacitance Pressure Sensor
The medium pressure is transferred to the test diaphragm in the middle of δ room by the barrier diaphragm and Silicon oil, as the test diaphragm is a tight flexible element, it produces displacement following the pressure differential. The displacement of the diaphragm and pressure differential are in direction proportion, and the max displacement is 0.1mm. It is tested by the capacitive plate on both sides. Then, the differential capacitor between the test diaphragm and capacitive board is switched to standard output by the Circuit Current.
