Chongqing Chuanyi PDS843
±0.04% FS accuracy | 100:1 turndown | 未标注
Key Specifications
| Brand | 川仪 |
|---|---|
| Model | PDS843 |
| Category | Pressure Transmitters |
| Measuring principle | 单晶硅复合传感器（全焊接复合微硅固态传感器 + 模块化电子设计，微处理器完成线性和温度补偿；HART 型经 D/A 输出 4-20mA 叠加 HART，PA/FF 型直接全数字输出） |
| Pressure type | 差压 |
| Accuracy | ±0.04% FS |
| Turndown ratio | 100:1 |
| Long-term stability | ±0.1% FS / 10年 |
| Wetted materials | 多种防腐材质可选（官网标注多种防腐材质） |
| Max static pressure | 未标注（官网主要参数页未给出量程上限；PDS 系列过载极限 42 MPa 见 PDS803/805 批次3） |
| Response time | 90 ms |
| Communication protocol | HART / PROFIBUS PA / FF |
| Output signal | 4-20 mA DC（叠加 HART 通信）、PROFIBUS-PA、FF 通信信号 |
| SIL rating | 未标注 |
| Explosion protection | 未标注（权威认证，选型样本提供） |
| IP rating | 未标注 |
| Ambient temperature | 未标注 |
| Warranty | 未标注 |
| Measuring range | 未标注（官网主要参数页未给出具体量程；用于测量液体、气体、蒸汽的差压、流量） |
Data Sources
- Product page: http://www.cqcy.com/content/details290_4969.html
- Datasheet: http://www.cqcy.com/Upload/File/202508/20250829143932_4305.pdf
Verification rule: entries older than 90 days are flagged for re-check. Data policy · Contact us to report an error