Flow Vision Flow Monitor (Strömungswächter)
Product Line: SW118
Type No.: SW118-02-G-P-A-E-M-M12
1. General Description
The Flow Vision SW118 is a robust, electronic flow monitor (also known as a calorimetric flow switch). It is designed for insertion into pipes to monitor the flow of liquid media, such as water or oils.
It operates on the thermal (calorimetric) principle, where it measures the cooling effect of the flowing liquid on a heated sensor probe. When the flow speed drops below an adjustable setpoint, the electronic switch activates. This model provides a simple, reliable on/off signal for PLCs or control systems to indicate a “flow present” or “no flow” condition.
Key Features 🎯
- Calorimetric Principle: No moving parts, ensuring a long, maintenance-free service life.
- Adjustable Setpoint: The flow detection threshold can be set by the user (typically via a potentiometer).
- Clear Indication: Includes LEDs for indicating power status and flow status.
- PNP Output: Provides a standard 3-wire PNP (sourcing) output.
- Robust Housing: Durable design for industrial applications with a stainless steel probe.
2. Technical Specifications
Electrical Data (from label)
| Parameter | Value |
| Power Supply | AC/DC 24V |
| Power Consumption | 12 VA (max) |
| Output Type | PNP (Sourcing) |
| Output Function | Schließer / NO (Normally Open) |
| Max. Load Current | 250 mA (Typical) |
Mechanical & Model Data
| Parameter | Value |
| Model Series | SW118 |
| Process Connection | -G- = G 1/2″ Thread (Inferred from model) |
| Electrical Connection | -M12 = M12 Connector |
| Media | Liquids (e.g., water, oil) |
| Enclosure Protection | IP65 (Typical for this housing) |
| Country of Origin | Made in Germany |
3. Wiring (Standard M12 for PNP NO)
This sensor uses a standard 3-wire M12 A-Coded connector.
- Pin 1 (Brown): L+ (Power Supply: AC/DC 24V)
- Pin 3 (Blue): L- (Ground / Common)
- Pin 4 (Black): Q / Output (PNP NO Signal)
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