The 4800 Electromagnetic Flowmeter is a high-accuracy device designed for precise measurement of liquid flow in pipes and channels. Using Faraday’s law of electromagnetic induction, it measures the velocity of conductive fluids without any moving parts, ensuring reliable performance and minimal maintenance.
Specifications
| Item | Technical Parameter |
|---|---|
| Main Power | AC 220V 50Hz / DC 24V / DC 12V / 3.3V battery power supply |
| Power Consumption | < 15 W (supports power consumption with sensors) |
| Display and Buttons | Display in Chinese and English; shows instantaneous flow, accumulated flow, and alarms (excitation open circuit, empty pipe, flow over limit). Four membrane touch switches for data setting |
| Counter | Forward total, reverse total |
| Analog Output | Two-way, fully isolated 0–10 mA / 4–20 mA; Load resistance: 0–1.5 kΩ (0–10 mA), 0–750 Ω (4–20 mA) |
| Frequency Output | Forward and reverse flow; output frequency adjustable 1–5000 Hz; open collector bidirectional transistor output with photoelectric isolation; external power ≤35V; max collector current 50 mA |
| Alarm Output | Two-way open collector alarm with photoelectric isolation; external power ≤35V; max collector current 250 mA; alarms: empty pipe, excitation disconnection, flow overrun |
| Pulse Output | Forward/reverse flow output; upper limit 5000 CP/S; pulse equivalent 0.0001–1.0 m³/P; pulse width auto 20 ms or square wave; open collector output; external power ≤35V; max collector current 50 mA |
| Matching Accuracy | 0.5% |
| Damping Time Constant | Continuously variable 0–100 s (90% time grading optional) |
| Communication | Optional RS232C or RS485 serial interface, HART protocol |
| Power Loss Memory | Stores 16 power-off records (up to 10 years, customizable) |
| Protection Class | IP65 |
Food and Beverage
Chemical
Water Supply Systems
Dyeing Industry
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