BNPC8 Pressure Core
Details
BNPC8 type silicon piezoresistive pressure core has an outer diameter of 15mm, and its external dimensions are consistent with foreign general-purpose products, and it has good interchangeability.
Features:
1.Constant current excitation
2.High reliability imported pressure chip
3.Wide temperature compensation
4.Compensating plate filling, excellent moisture resistance
5.Φ15mm × 13mm standard OEM pressure sensitive components
6.All 316L stainless steel
7.Small size, easy to install and use
8.High performance, all solid state, high reliability
Electrical performance index
| Scale range | -100KPa～0～10KPa…10Mpa | ||||||
| Pressure type | Gauge pressure, absolute pressure, sealing pressure | ||||||
| Power supply | Constant current power supply: 1.5mA is recommended | ||||||
| Bridge resistance | 3KΩ～6KΩ | ||||||
| Electrical connections | Silica gel flexible conductor | ||||||
| Compensated temperature range | -10～70℃ | ||||||
| Operating temperature range | -45～125℃ | ||||||
| Storage temperature range | -40～125℃ | ||||||
| Insulation resistance | ≥ 250Ω/250VDC | ||||||
| Response time | ≤1ms（Rise to 90%FS） | ||||||
| Pressure medium | All liquids and gases compatible with stainless steel | ||||||
| Mechanical vibration | 20g（20-5000HZ） | ||||||
| Impact | 100g（10ms） | ||||||
| Service life | 10×106 (cycles) | ||||||
| Structural performance index | |||||||
| Diaphragm material | Stainless steel316L | ||||||
| Shell material | Stainless steel316L | ||||||
| Perfusion liquid | Silicone oil | ||||||
| Sealing ring | Cyanogen butadiene or fluoro rubber | ||||||
Basic parameter index
| Project | Mnimum | Typical | Maximum | Unit |
| Nonlinear | ±0.1 | ±0.2 | ±0.3 | %FS，BFSL |
| Hysteresis | -0.05 | ±0.03 | 0.05 | %FS |
| Repeatability | 0.05 | ±0.03 | 0.05 | %FS |
| Zero output | -2 | ±1 | 2 | mV |
| Full range output (1.5ma power supply) | 55 | mV | ||
| Zero temperature drift (1.5mA @ -10 ~ 70℃ compensation) | 1.5 | %FS | ||
| Sensitivity temperature drift (1.5mA @ -10 ~ 70℃ compensation) | 1.5 | %FS | ||
| Thermal hysteresis | -0.075 | ±0.05 | 0.075 | %FS |
| Long-term stability | ±0.2 | ±0.3 | %FS/year | |
