
















Keyence Liquid Ultrasonic Flow Meter FD-R Series (FD-H32, FD-R50, FD-R80, FD-R125, FD-R-200)
Mounting and Integration
- Clamp-On the Outside of a Pipe
- No Pipe Modification (Non-Invasive)
- No Downtime for hot-tap insertion installations or inline metering installations
- Easily Secure with 4 or 6 Screws
- Bracket Ensures Correct Mounting by Anyone
Highly Versatile Water metering for Any Situation
- Measure Water, DI Water, Oils, Chemicals, Product, etc.
- External pipe mount to Stainless, Iron, Copper, PVC, Resin, etc.
- Precise Monitoring with Accuracy of ±2.0% of RD
- Integrated Temperature Monitoring
- AC/DC Compatibility
Significant Reduction in Installation Time and Costs
- No loss of production during Installation through non-invasive installation
- No Special Knowledge, Tools, or Contractors Needed
- No Risk of Contamination, Leaks, or Pressure Loss
- Install in Minutes with a Standard Screwdriver
- Built-In Predictive Maintenance
Supported pipe materials
Metal / resin*1
Supported fluids
Various liquids (i.e. water, oils, chemicals)*1
Supported fluid temperature
- 20 to + 120°C - 4.0 to + 248 °F (no freezing on the pipe surface)*2
Maximum rated flow
Rated flow velocity range: 5.0 m/s
Flow rate range (Typical):
1 1/2" (40 A): 400 L / min 100 gal / min 24 m3/ h)
2" (50 A): 600 L / min 150 gal / min 36 m3 / h
Rated flow velocity range: 5.0 m/s
Flow rate range (Typical):
2 1/2" (65 A): 1000 L/min 260 gal/min 60 m3/ h)
3" (80 A): 1500 L/min 390 gal/min 90 m3 / h
Rated flow velocity range: 5.0 m/s
Flow rate range (Typical):
4"(100 A): 2500 L/min 660 gal/min 150 m3 /h
5" (125 A): 3700 L/min 990 gal/min 220 m3/h)
Rated flow velocity range: 5.0 m/s
Flow rate range (Typical):
6" (150 A): 5500 L/min 1400 gal/min 330 m3 /h
8"(200 A): 9500 L/min 2500 gal/min 570 m3 /h
Zero cut flow rate
Zero cut: 0.3 m/s (default)*3
Flow rate (Typical): 36 L / min 9 gal / min 2.4 m3 / h
Zero cut: 0.3 m/s (default)*3
Flow rate (Typical): 90 L / min 24 gal / min 5.4 m3/h
Zero cut: 0.3 m/s (default)*3
Flow rate (Typical): 220 L / min 60 gal / min 12 m3/h
Zero cut: 0.3 m/s (default)*3
Flow rate (Typical): 570 L / min 150 gal / min 36 m3 / h
Display method
Dual row, 5-digit display with white, 14-segment LED; Large status indicator; Output indicators; Stability indicator; Unit indicator
Display update cycle
Approx. 3 Hz
Display resolution
0.1 / 1 (L / min)
1 (L / min)
Response time
0.5 s / 1.0 s / 2.5 s / 5.0 s / 10.0 s / 30.0 s / 60.0 s / 120.0 s / 200.0 s (variable)
Measurement accuracy
Between 20 and 100% of F.S. : ±2.0% of RD*4*5
Between 6 and 20% of F.S. : ±0.4% of F.S. *4*5
Protection circuit
Power supply reverse connection protection, Power supply surge protection, Short-circuit protection for each output, Surge protection for each output
Zero point error
±0.5% of F.S.*4*6
Hysteresis
Variable
Flow units
L / min, m3 / h, gal / min
Integrated flow unit display
1 / 10 / 100 / 1000 / 10000 (L)
Pipe temperature measurement accuracy
±3°C ±5.4°F (liquid temperature of - 20 to + 50°C, - 4 to + 122°F)
±5°C ±9°F (liquid temperature of 50 to + 120°C, 122 to 248°F)
(ambient operating temperature of 25°C 77°F)*4
Wiring specifications
Power supply
DC power supply: M12 4-pin connector / AC power supply: M4 screw terminal block (selectable)
I/O
When using a DC power supply: M12 4-pin connector / when using an AC power supply: M3 screw terminal block
Input/Output (Selectable)
Output (ch.1/ch.2)
Control output / Integrated pulse output / Error output / Temperature alarm, NPN / PNP setting switchable,open collector output 30 VDC or less, max. 100 mA / ch., residual voltage: 2.5 V or less*7
Analog output (ch.1/ch.2)
Flow rate analog output / Temperature analog output and 4 - 20 mA / 0 - 20 mA (selectable), load resistance: 500 Ω or less*7
External input (ch.2)
Integrated flow reset input / Flow rate zero input / Origin adjustment input (selectable), short-circuit current: 1.5 mA or less, input time: 20 ms or more*7
Rating
Power voltage
20 to 30 VDC including 10% ripple (P-P), Class 2 / 100 to 240 VAC - 15% or + 10% (50 / 60 Hz)
Current consumption
When using a DC power supply: 200 mA or less (load current excluded), 400 mA or less (load current included) When using an AC power supply: 15 VA or less
Environmental resistance
Enclosure rating
IP65 / 67 (IEC60259), IP69K (ISO20653), Enclosure Type 4X (NEMA250)
Ambient temperature
- 20 to + 60°C - 4.0 to 140 °F (no freezing)*2
Relative humidity
5 to 90%RH (no condensation)
Vibration resistance
10 to 55 Hz, compound amplitude 1.5 mm 0.06", XYZ axes 2 hours for each axis
Shock resistance
100 m/s2 , 16 ms pulse, XYZ axes, 1000 times for each axis
Dimensions
Main unit size: 218.5 mm × 66.9 mm × 70.7 mm 8.60" × 2.63" × 2.78"
Material
Main unit
Body: aluminum die-casting + coating / PPS, display: reinforced glass, connectors: SUS304-equivalent
Unit rear
Rubber
Upper/lower bracket
SUS304
Weight
Main unit: Approx. 1.0 kg
Upper/lower bracket: Approx.1.5 kg (including sub unit)
Supported pipe materials | Metal / resin*1 | |||
Supported fluids | Various liquids (i.e. water, oils, chemicals)*1 | |||
Supported fluid temperature | - 20 to + 120°C - 4.0 to + 248 °F (no freezing on the pipe surface)*2 | |||
Maximum rated flow | Rated flow velocity range: 5.0 m/s | Rated flow velocity range: 5.0 m/s | Rated flow velocity range: 5.0 m/s | Rated flow velocity range: 5.0 m/s |
Zero cut flow rate | Zero cut: 0.3 m/s (default)*3 | Zero cut: 0.3 m/s (default)*3 | Zero cut: 0.3 m/s (default)*3 | Zero cut: 0.3 m/s (default)*3 |
Display method | Dual row, 5-digit display with white, 14-segment LED; Large status indicator; Output indicators; Stability indicator; Unit indicator | |||
Display update cycle | Approx. 3 Hz | |||
Display resolution | 0.1 / 1 (L / min) | 1 (L / min) | ||
Response time | 0.5 s / 1.0 s / 2.5 s / 5.0 s / 10.0 s / 30.0 s / 60.0 s / 120.0 s / 200.0 s (variable) | |||
Measurement accuracy | Between 20 and 100% of F.S. : ±2.0% of RD*4*5 | |||
Protection circuit | Power supply reverse connection protection, Power supply surge protection, Short-circuit protection for each output, Surge protection for each output | |||
Zero point error | ±0.5% of F.S.*4*6 | |||
Hysteresis | Variable | |||
Flow units | L / min, m3 / h, gal / min | |||
Integrated flow unit display | 1 / 10 / 100 / 1000 / 10000 (L) | |||
Pipe temperature measurement accuracy | ±3°C ±5.4°F (liquid temperature of - 20 to + 50°C, - 4 to + 122°F) | |||
Wiring specifications | Power supply | DC power supply: M12 4-pin connector / AC power supply: M4 screw terminal block (selectable) | ||
I/O | When using a DC power supply: M12 4-pin connector / when using an AC power supply: M3 screw terminal block | |||
Input/Output (Selectable) | Output (ch.1/ch.2) | Control output / Integrated pulse output / Error output / Temperature alarm, NPN / PNP setting switchable,open collector output 30 VDC or less, max. 100 mA / ch., residual voltage: 2.5 V or less*7 | ||
Analog output (ch.1/ch.2) | Flow rate analog output / Temperature analog output and 4 - 20 mA / 0 - 20 mA (selectable), load resistance: 500 Ω or less*7 | |||
External input (ch.2) | Integrated flow reset input / Flow rate zero input / Origin adjustment input (selectable), short-circuit current: 1.5 mA or less, input time: 20 ms or more*7 | |||
Rating | Power voltage | 20 to 30 VDC including 10% ripple (P-P), Class 2 / 100 to 240 VAC - 15% or + 10% (50 / 60 Hz) | ||
Current consumption | When using a DC power supply: 200 mA or less (load current excluded), 400 mA or less (load current included) When using an AC power supply: 15 VA or less | |||
Environmental resistance | Enclosure rating | IP65 / 67 (IEC60259), IP69K (ISO20653), Enclosure Type 4X (NEMA250) | ||
Ambient temperature | - 20 to + 60°C - 4.0 to 140 °F (no freezing)*2 | |||
Relative humidity | 5 to 90%RH (no condensation) | |||
Vibration resistance | 10 to 55 Hz, compound amplitude 1.5 mm 0.06", XYZ axes 2 hours for each axis | |||
Shock resistance | 100 m/s2 , 16 ms pulse, XYZ axes, 1000 times for each axis | |||
Dimensions | Main unit size: 218.5 mm × 66.9 mm × 70.7 mm 8.60" × 2.63" × 2.78" | |||
Material | Main unit | Body: aluminum die-casting + coating / PPS, display: reinforced glass, connectors: SUS304-equivalent | ||
Unit rear | Rubber | |||
Upper/lower bracket | SUS304 | |||
Weight | Main unit: Approx. 1.0 kg |