VEGA VEGASWING 71A Vibrating Fork Level Switch
The VEGA VEGASWING 71A Vibrating Fork Level Switch, approved and distributed by Alfa Laval, is a reliable liquid level sensor designed for accurate point level detection in tanks, vessels, and pipelines. Using vibrating fork technology, it provides dependable overfill and dry-run protection without requiring calibration, making it ideal for marine, food processing, chemical, pharmaceutical, and industrial process control applications.
BRAND
VEGA
TYPE
Vibrating Fork Level Switch
PART NO.
VEGA Vibrating Fork Level Switch 985 00036-98
MODEL
VEGASWING 71A
Full Technical Specifications ▶
| Parameter | Value / Description |
|---|---|
| BRAND | VEGA |
| TYPE | Vibrating Fork Level Switch |
| PART NO. | VEGA Vibrating Fork Level Switch 985 00036-98 |
| MODEL | VEGASWING 71A |
| Sensor Type | Vibrating Tuning Fork Level Switch |
| Measurement Principle | Piezoelectric vibrating fork resonance |
| Application | Point level detection for liquids, overfill protection, dry-run protection, pump protection |
| Supply Voltage | 10…55 VDC |
| Output Type | PNP Transistor Output (Selectable PNP/NPN Wiring) |
| Maximum Output Current | 400 mA |
| Power Consumption | Max. 0.5 W |
| Protection Rating | IP67 |
| Operating Temperature | −40°C to +150°C |
| Ambient Temperature | −40°C to +70°C |
| Operating Pressure | Up to 40 bar |
| Medium Density | ≥ 0.6 g/cm³ |
| Medium Viscosity | 0.2 … 10,000 mPa·s |
| Response Time | Approx. 0.5 seconds |
| Measuring Frequency | Approx. 400 Hz |
| Hysteresis | Approx. 4 mm (vertical installation) |
| Process Connection | G1 Thread (Stainless Steel) |
| Housing Material | Stainless Steel 1.4571 |
| Fork Material | Stainless Steel 1.4581 |
| Electrical Connection | 4-Pin Plug Connector |
| Function Test | Integrated Magnetic Test Function |
| Status Indication | Illuminated LED Status Ring |
| Switching Modes | Max. Level Detection / Min. Level Detection |
| Mounting | Vertical or Horizontal |
| CE Marking | Yes |
| Made In | Germany |
| REF NO. | 1182 |
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