Promag L 400 – Electromagnetic Flowmeter for Low Conductivity Liquids
The Endress+Hauser Promag L 400 is a specialized electromagnetic flowmeter engineered for accurate measurement of low-conductivity liquids (≥5 μS/cm), including demineralized water, ultrapure water, acids, and alkalis in chemical and pharmaceutical processes.
Key Features
- Nominal diameter: DN15 to DN300
- Minimum conductivity: 5 μS/cm
- PTFE liner for chemical resistance
- Hastelloy C-22 or Platinum electrodes
- Accuracy: ±0.5% of reading
- Process temperature: –20 to +130°C
- Communication: HART, PROFIBUS DP/PA, EtherNet/IP, PROFINET
Applications
- Demineralized and ultrapure water systems
- Chemical dosing and acid/alkali metering
- Pharmaceutical water-for-injection (WFI) systems
- Semiconductor manufacturing processes
Technical Specifications
| Parameter | Specification |
|---|---|
| Nominal diameter | DN15–DN300 |
| Min. conductivity | 5 μS/cm |
| Accuracy | ±0.5% of reading |
| Process temperature | –20 to +130°C |
| Process pressure | Up to 40 bar |
| Liner material | PTFE |
| Electrode material | Hastelloy C-22, Platinum |
| Protection class | IP67/IP68 |
| Communication | HART, PROFIBUS DP/PA, EtherNet/IP, PROFINET |
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