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Keyence  |  SKU: 23-KEY-FD-R50

Keyence Clamp-On Flow Meter (FD-R Series)

(FOR STOCK AVAILABILITY OR LEAD TIME, PLEASE CALL +1 (800) 419-5707)

Keyence's FD-R Series digital flow meters clamp-on to pipes up to 8" in diameter, without the need for pipe modifications, ensuring quick installation with zero downtime. These flow meters offer a seamless, non-invasive way to monitor flow and temperature in a wide range of applications. Compatible with various materials—including stainless steel, iron, copper, PVC, and resin—it provides accurate, real-time monitoring for water, oils, chemicals, and other high-pressure liquids. Its rugged IP69K-rated construction ensures long-term durability, even in harsh environments.

Model
$2,344.57
Shipping calculated at checkout.

Features

  • Illustration of a device mounted on a pole, showing labeled components including the main unit, upper bracket, and lower bracket.

    Hassle-Free Installation

    - No pipe modifications or cuts needed.
    - Secure with a few screws & bracket.
    - Mounts to many types of pipes.

  • Various sensors attached to pipes of different materials.

    Precision Monitoring

    - Flow measurement with ±2.0% accuracy.
    - Real-time flow & temperature monitoring.
    - Compatible with AC & DC power.

  • Flow sensor comparison chart illustrating time and cost reduction between conventional flow sensors and FD-R series.

    Maintenance Savings

    - No risk of leaks, contamination or pressure loss
    - No downtime during installation
    - Built-in predictive maintenance

Specifications

FD-R50
FD-R80
FD-R125
FD-R200
Supported Pipe Diameter
Supported Pipe Diameter
1 1/2" (40 A), ø 44 to ø 55 or 2" (50 A), ø 55 to ø 64
2 1/2" (65 A), ø 64 to ø 83 or 3" (80 A), ø 83 to ø 100
4" (100 A), ø 100 to ø 127 or 5" (125 A), ø 127 to ø 152
6" (150 A), ø 152 to ø 191 or 8" (200 A), ø 191 to ø 220
Zero Cut Flow Rate
Zero Cut Flow Rate
Zero cut: 0.3 m/s (default), Flow rate (Typical): 36 L/min 2.4 m3/h
Zero cut: 0.3 m/s (default), Flow rate (Typical): 90 L/min 5.4 m3/h
Zero cut: 0.3 m/s (default), Flow rate (Typical): 220 L/min 12 m3/h
Zero cut: 0.3 m/s (default), Flow rate (Typical): 570 L/min 36 m3/h
Weight
Weight
Main unit: Approx. 1.0 kg, Upper/lower bracket: Approx. 1.5 kg (including sub unit)
Main unit: Approx. 1.0 kg, Upper/lower bracket: Approx. 2.0 kg (including sub unit)
Main unit: Approx. 1.0 kg, Upper/lower bracket: Approx. 2.3 kg (including sub unit)
Main unit: Approx. 1.0 kg, Upper/lower bracket: Approx. 2.5 kg (including sub unit)
Maximum Rated Flow
Maximum Rated Flow
Rated flow velocity range: 5.0 m/s, Flow rate range (Typical): 1 1/2" (40 A) : 400 L/min 24 m3/h or 2" (50 A) : 600 L/min 36 m3/h
Rated flow velocity range: 5.0 m/s, Flow rate range (Typical): 2 1/2" (65 A) : 1000 L/min 60 m3/h or 3" (80 A) : 1500 L/min 90 m3/h
Rated flow velocity range: 5.0 m/s, Flow rate range (Typical): 4" (100 A) : 2500 L/min 150 m3/h or 5" (125 A) : 3700 L/min 220 m3/h
Rated flow velocity range: 5.0 m/s, Flow rate range (Typical): 6" (150 A) : 5500 L/min 330 m3/h or 8" (200 A) : 9500 L/min 570 m3/h
Supported Pipe Materials
Supported Pipe Materials
Metal/resin
Metal/resin
Metal/resin
Metal/resin
Worker in safety gear operating machinery in an industrial setting.

Servicing by Experts

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Support Materials

FD-R Series Clamp On Flow Meter Brochure
FD-R50 Datasheet
FD-R80 Datasheet
FD-R125 Datasheet
FD-R200 Datasheet

Have Questions?

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