conomical Electromagnetic Water Meter
Page Description:
· Lithium battery powered
· IP68 protection rating
· Bidirectional measurement, leakage monitoring
· Over 5-year battery life
· No moving parts inside the pipe, low pressure loss
· Instantaneous + cumulative measurement + battery level
Product Overview:
The electromagnetic water meter is an instrument designed to measure the volume flow of conductive liquids based on Faraday’s law of electromagnetic induction. It features a wide measurement range, low start-up flow rate, low pressure loss, high accuracy, and high sensitivity. It supports real-time measurement, cumulative measurement, and bidirectional measurement. Primarily used for large-user district metering areas (DMA) for leak detection, online monitoring, water loss analysis, and statistical settlement. Optional pressure sensors allow simultaneous measurement of flow and pressure.
Technical Parameters
| Sensor | |
| Model | Electromagnetic Water Meter |
| Connection Method | Flange Type (GB/T9119-2010) |
| Measurement Parameters | Instantaneous Flow, Cumulative Flow Pressure (Optional) |
| Caliber (mm) | DN50-DN300 |
| Pressure Rating (MPa) | 1.0MPa to 4.0MPa (varies by caliber) |
| Liner Material | Rubber |
| Conductivity | ≥20μs/cm |
| Electrode | Stainless Steel 316L |
| Protection Rating | IP68 |
| Temperature | |
| Medium Temperature | 0℃～+70℃ |
| Ambient Temperature | -25℃～+70℃ |
| Storage Temperature | -40℃～+70℃ |
| Housing Material | Stainless Steel |
| Converter | |
| Protection Rating | IP68 |
| Measurement Range | 0m/s to ±15m/s (continuous measurement) |
| Measurement Accuracy | Class 2 or Class 1 (GB/T778-2007 standard) |
| Power Supply | Built-in 3.6V lithium battery |
| Excitation Frequency | Locked state: 6.25Hz; Test state: 1/15Hz |
| Forward/Reverse Flow Measurement | Forward flow aligns with flow direction marker; reverse flow opposes the marker |
| Display Mode | Multiple display modes with 9 combinations, showing instantaneous flow, positive/negative cumulative flow, net flow, etc. |
| Display and Control | Data input via four photoelectric keys. 10-digit cumulative flow display (3 decimal places), 5-digit instantaneous flow display (2 decimal places). Auto-calibration, diagnostic/alarm status display, password control, menu-based parameter settings. |
| Output Method | On-site RS-485 data interface |
| Alarm Function | On-site display for alarm status: sensor failure, converter failure, low battery, empty pipe, measurement anomalies, output alarms, etc. |
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