Emerson Rosemount 3051S
±0.025%（部分型号） accuracy | 800:1 turndown | SIL 2/3
Key Specifications
| Brand | Emerson Rosemount |
|---|---|
| Model | 3051S |
| Category | pressure_transmitter |
| Measuring principle | 电容膜片（SuperModule™） |
| Pressure type | 表压+绝压+差压 |
| Accuracy | ±0.025%（部分型号） |
| Turndown ratio | 800:1 |
| Long-term stability | 20 年保修与稳定性 |
| Wetted materials | 316L 不锈钢 / 哈氏合金 C-276（膜片） |
| Max static pressure | 250 bar（取决于型号） |
| Response time | 40 ms |
| Communication protocol | HART（Bluetooth 配置） |
| Output signal | 4-20 mA HART |
| SIL rating | SIL 2/3 |
| Explosion protection | Ex ia IIC T4 Ga / Ex d IIC T6 Gb（ATEX/IECEx） |
| IP rating | IP66/IP68 |
| Ambient temperature | -40 ~ +85 °C |
| Warranty | 20 年保修与稳定性 |
| _batch_note | 压力变送器批次 raw —— 2026-08-16 调研核验。数据源：emerson.com 官网 PDS、yokogawa.com 官网 GS。置信度：Emerson/Yokogawa 为官方一手；4051S 为 2026 新平台已核验。 |
Data Sources
- Product page: https://www.emerson.com/en-us/catalog/rosemount-3051-pressure-transmitter
- Datasheet: https://www.emerson.com/documents/automation/product-data-sheet-rosemount-3051s-pressure-transmitter-en-54206.pdf
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