Flow switch MR1K

Mechanical Flow Switch for Reliable Liquid Flow Monitoring

The MR1K from Senseca is a compact mechanical flow switch designed for reliable monitoring of water and compatible liquid media in industrial applications. Based on the spring-supported piston measuring principle, it uses magnetic reed switch actuation to provide accurate flow detection without requiring external power. Available in brass or stainless steel versions, the MR1K offers high switching capability, compact dimensions, and reliable performance in demanding industrial environments.

Key Features:

  • 🌊 Spring-Supported Piston Technology

    Provides accurate and repeatable flow monitoring with low pressure loss and excellent long-term stability.

  • ⚡ Magnetic Reed Switch

    Contactless reed switch delivers reliable switching performance with long service life and maintenance-free operation.

Key Features:

  • 🔧 Adjustable Switching Point

    The switching head can be adjusted to set the required switching point for different process conditions.

  • 🛡️ Rugged Industrial Construction

    Available in brass or stainless steel with IP65 protection, suitable for operating pressures up to PN 200 (optional PN 500).

  • 🔌 Flexible Connection Options

    Available with DIN 43650-A connector, optional M12×1 connector, and optional ATEX switching head for hazardous-area applications.

Applications:

  • 💧 Water & Utility Systems

    Ideal for monitoring water flow in industrial pipelines and utility networks.

  • ❄️ Cooling Systems

    Ensures reliable flow monitoring in cooling circuits and heat exchangers.

  • 🏭 Industrial Process Automation

    Provides dependable flow switching in manufacturing and production processes.

  • ⚙️ Pump & Equipment Protection

    Detects low-flow conditions to help protect pumps and critical process equipment.

Why Choose This Solution?

The MR1K combines accurate mechanical flow detection, compact construction, and reliable switching for industrial flow monitoring.

Reliable Monitoring

Accurate and repeatable flow detection.

High Switching Capability

Reliable reed switch for long-term operation.

Easy Installation

Compact design with flexible electrical connection options.

Industrial Applications

Ideal for water systems, cooling circuits, and industrial automation.

Related Products

Transparent Flow Indicator Switch GKL with a vertical flow tube, graduated L/min scale, red flow indicators, and metal threaded end fittings for visual flow monitoring.
Flow indicator switch GK
Flow transmitter LABO-XF-I/U/F/C with threaded metal process connections, compact rectangular housing, and top-mounted sensor probe connector.
Flow transmitter LABO-XF-I/U/F/C
ATEX-A-U1-1 switching unit with a brass probe, threaded mounting fitting, and blue electrical cable for hazardous-area applications
Switching unit ATEX A-U1-1
Stainless steel EFK2 flow monitor with threaded process connection, cylindrical housing, and front status display for flow switch indication.
Flow monitor EFK2
Product Details