E+H Promag W 400
电磁 | ±0.5% o.r. ± 1 mm/s（可选 ±0.2%） | DN 25 ~ DN 3000
Key Specifications
| Brand | E+H |
|---|---|
| Model | Promag W 400 |
| Category | Flow Meters |
| Measuring principle | 电磁 |
| Application | 水及污水行业标准应用（计量交接） |
| Accuracy | ±0.5% o.r. ± 1 mm/s（可选 ±0.2%） |
| Repeatability | ±0.2% o.r. |
| Flow range | 9 dm³/min ~ 110000 m³/h |
| Nominal diameter | DN 25 ~ DN 3000 |
| Turndown ratio | 0.3~10 m/s 典型 |
| Pressure loss | 无压损 |
| Straight pipe requirement | 0×DN 零前直管段（全通径设计） |
| Wetted materials | 衬里：聚氨酯/硬橡胶；电极：316L / C22 / 钽 |
| Liner material | 聚氨酯 / 硬橡胶 |
| Media temperature | -20 ~ +80 ℃ |
| Max static pressure | PN40 / Class 300 |
| Media conductivity | ≥ 5 μS/cm |
| Communication protocol | HART / Modbus RS485 / IO-Link |
| Output signal | 4-20 mA HART + 脉冲 |
| Power supply | DC 24V / AC 100~230V |
| SIL rating | 无 |
| Explosion protection | CSA、GP、KC |
| IP rating | IP66/67（远程传感器 IP68） |
| Self-diagnostics | Heartbeat Technology + 计量交接认证（OIML R49） |
Data Sources
- Product page: https://www.endress.com.cn/zh/Field-instruments-overview/liuliang
- Datasheet: https://www.endress.com.cn/zh/Field-instruments-overview/liuliang/Product-Electromagnetic-flowmeter-Proline-Promag-W-400-5W4C
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