Gear Flow Meters

FL510

Gear Flow Sensor

Positive-displacement dual-gear sensor for continuous or intermittent low-flow measurement of viscous liquids.

CASCED FL510 gear flow sensor
RANGESeries options: 5 mL/min to 330 L/min; select one range code
OUTPUTPulse or two-wire 4~20 mA by ordering code; confirm any PNP/NPN configuration
MATERIALAluminum, 304 stainless-steel or PP body, by ordering code
PROTECTIONConfiguration-specific

Product overview

Application-focused measurement and switching.

Positive-displacement dual-gear sensor for continuous or intermittent low-flow measurement of viscous liquids.

Configuration note

Ratings, materials, interfaces, and approvals can vary by ordered configuration. CASCED INC confirms the controlled specification before order acceptance.

Key features

  • Pulse/analog output options
  • High-pressure and high-/low-temperature options
  • Wide 1:100 turndown as printed
  • Corrosion-resistant options

Technical specifications

Key data for product selection.

Measurement range
Series options: 5 mL/min to 330 L/min; select one range code
Outputs
P: pulse; A: two-wire 4~20 mA. The technical table also lists PNP/NPN; confirm that option before ordering.
Accuracy
0.2% FS in the 2026-09-23 catalog; confirm conditions for the selected configuration
Repeatability
0.1% FS
Supply
16–30 VDC
Media temperature
Standard (temperature option omitted): -30~80°C; T: 150°C high-temperature custom option. The technical table's -196~200°C custom envelope requires separate configuration confirmation.
Pressure by body
Catalog body-dependent ratings: aluminum 150 bar; stainless steel 400 bar; PP 50 bar. Confirm the selected body, seal and temperature combination.
Viscosity statement
Up to 10,000 Pa·s, as printed
Flow equation
Q = f×60/K
Range codes
L2: 5~300 mL/min; L4: 0.1~3 L/min; L6: 0.15~8 L/min; L10: 0.8~20 L/min; L15: 3~50 L/min; L25: 20~200 L/min; L32: 30~330 L/min
Body material codes
L: anodized aluminum; S: 304 stainless steel; P: PP
Material
Aluminum, 304 stainless-steel or PP body, by ordering code

Further dimensions, connection diagrams and ordering details are in the current catalog, full pages 194–195. Open the matching English PDF pages. Published values and options are configuration dependent. Confirm the selected configuration before use.

Downloads

Technical documentation

View in your browser or download a copy for engineering and sourcing review.

Typical applications

Engineered for real industrial systems.

01Resins and adhesives
02Hydraulic oil and grease
03Fuel oil
04Ink and asphalt
05Solvents and cryogenic fluids
06Batch control

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