Emerson Rosemount 8800
涡街(Quad 四传感器冗余 / 隔离传感器设计) | 液体体积流量 ±0.65%(未补偿);气体/蒸汽体积流量 ±1.00%(未补偿);多变量型水中质量流量 ±0.70% | 法兰 1/2" ~ 12"(DN15 ~ DN300);对夹 1/2" ~ 8";缩径 1" ~ 14"
Key Specifications
| Brand | Emerson |
|---|---|
| Model | Rosemount 8800 |
| Category | Flow Meters |
| Measuring principle | 涡街(Quad 四传感器冗余 / 隔离传感器设计) |
| Application | 液体/蒸汽/气体,安全仪表系统(SIS),蒸汽计量 |
| Accuracy | 液体体积流量 ±0.65%(未补偿);气体/蒸汽体积流量 ±1.00%(未补偿);多变量型水中质量流量 ±0.70% |
| Repeatability | 官方未标注 |
| Flow range | 依口径与介质(液体/气体/蒸汽) |
| Nominal diameter | 法兰 1/2" ~ 12"(DN15 ~ DN300);对夹 1/2" ~ 8";缩径 1" ~ 14" |
| Turndown ratio | 15:1(标准);38:1(MultiVariable 量程比) |
| Pressure loss | 有(涡街发生体) |
| Straight pipe requirement | 标准直管段要求(具体按口径确认) |
| Wetted materials | 不锈钢 316/316L、CF3M;镍合金 C-22、CW2M;高/低温碳钢;双相钢 UNS S32760 |
| Liner material | 不适用 |
| Media temperature | -200 ~ +427 ℃(-330 ~ +800 ℉) |
| Max static pressure | ANSI Cl. 150 ~ 1500;DIN PN 10 ~ PN 160;JIS 10K ~ 40K |
| Media conductivity | 不受限 |
| Communication protocol | HART 5/7 / FOUNDATION Fieldbus ITK6 / Modbus RS-485 |
| Output signal | 4-20 mA HART + 可调脉冲输出 |
| Power supply | 4-20 mA 回路供电(HART);FF 总线供电 |
| SIL rating | SIL 2/3(IEC 61508,SIS 应用) |
| Explosion protection | ATEX、IECEx、cCSAus 等(按订货号) |
| IP rating | 官方未标注(典型 IP66/67) |
| Self-diagnostics | Smart Fluid Diagnostics 智能液体检测 + 内部信号发生器 |
Data Sources
- Product page: https://www.emerson.com/zh-cn/catalog/rosemount-8800-reducer-zh-cn
- Datasheet: https://www.emerson.com/is/content/emerson/en/measurement-instrumentation/marketing/products/flow--vortex/documents/dl-rmt-quad-8800-vortex-7073954.pdf
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