Starting at $368.00
Starting at $331.20

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  • PVDF, PVC or Polypropylene molded sensor body
  • Simple insertion design
  • Separate versions for remote and integral installations
  • Wide turndown ratio of 66:1 for 2536, 20:1 for 515
  • Installs into pipe sizes from 1/2 to 36in (DN15 to DN900)
  • Process ready signal
  • Extended length for wet-tap installations available

Simple and reliable, the GF Signet 2536 Rotor-X paddle wheel flow sensor delivers time-honored performance. The highly repeatable and rugged GF Signet 2536 Rotor-X paddle wheel flow sensor offers exceptional value with little or no maintenance required. Installation of the GF Signet 2536 Rotor-X paddle wheel flow sensor is simple with GF Signet's comprehensive line of fittings for all pipe materials in sizes from DN15 to DN1000 (0.5 to 36in.). The 3-2536 has a process-ready open-collector signal and can operate to flows as low as 0.1 m/s (0.3 ft/s).

The GF Signet 2536 Rotor-X paddle wheel flow sensor has a unique "open-cell" rotor design, which eliminates cavitation at higher flow rates.

Applications for the GF Signet 2536 Rotor-X Paddle Wheel Flow Sensor

  • Pure water production
  • Filtration systems
  • Chemical production
  • Liquid delivery systems
  • Pump protection
  • Scrubber systems
  • Water monitoring
  • Not suitable for gases

Required Components

These additional components are required for the operation of your product. We strongly advise you to purchase these components unless you already own them or own a suitable alternative.

GF Signet Installation Fittings
Fittings for securing insertion style flow sensors with different styles, models & materials to suit a variety of applications
In Stock

Power Supplies

GF Signet 7310 Switching Power Supplies
Regulated output voltage in compact and lightweight plastic housings for DIN Rail mounting


Please consider these optional accessories.

GF Signet 8900 Multi-Parameter Controller
Measures flow, pH, ORP, conductivity, pressure, level, and temperature
In Stock
GF Signet 9900 Transmitter
SmartPro single channel interface & multi-parameter input selection
In Stock
GF Signet 3519
Wet-Tap Valve used with GF Signet 515 or 2536 Rotor-X flow sensor


This product can be used in the following applications:

Part Number Price Available
Show Full Configuration
Base Price
Sensor Type
Remote mounting (+$111.60)
Body/Rotor/Pin Material
Polypropylene / Black PVDF / Titanium
Pipe Size
0.5 to 4 in
$442.80 10

Interested in Other Part Numbers?

Other part numbers are available to order but are not currently in stock. Current availability for non-stock parts is "Usually ships in 2-3 weeks. Call for expedite options". Click here to select options