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Keyence FD-R125
Sensor Main Unit 100A/125A Type. FD-R125. Series: Clamp-on Flow Meter. Series code: FD-R series
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Description
Sensor Main Unit 100A/125A Type. FD-R125. Series: Clamp-on Flow Meter. Series code: FD-R series
Specification
| Model Name |
Sensor Main Unit 100A/125A Type |
|---|---|
| Model Code |
FD-R125 |
| Series Title |
Clamp-on Flow Meter |
| Series Code |
FD-R series |
| Data Sheet URL | |
| CAD URL |
https://www.keyence.com/products/process/flow/fd-r/downloads/?mode=cd&modelId=PM_160R125 |
| Manuals URL |
https://www.keyence.com/products/process/flow/fd-r/downloads/?mode=ma&modelId=PM_160R125 |
| Model |
FD-R125 |
| Supported pipe diameter |
4" (100 A), ø100 to ø127 3.94" to 5.00"5" (125 A), ø127 to ø152 5.00" to 5.98" |
| 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/sFlow rate range (Typical):4"(100 A): 2500 L/min 660 gal/min 150 m3 /h5" (125 A): 3700 L/min 990 gal/min 220 m3/h) |
| Zero cut flow rate |
Zero cut: 0.3 m/s (default)*3Flow rate (Typical): 220 L / min 60 gal / min 12 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 |
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*5Between 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) |
| Wiring specifications - 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 |
| Input/Output (Selectable) - 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 |
| Input/Output (Selectable) - 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) |
| Rating - 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) |
| Environmental resistance - Ambient temperature |
– 20 to + 60°C – 4.0 to 140 °F (no freezing)*2 |
| Environmental resistance - Relative humidity |
5 to 90%RH (no condensation) |
| Environmental resistance - Vibration resistance |
10 to 55 Hz, compound amplitude 1.5 mm 0.06", XYZ axes 2 hours for each axis |
| Environmental resistance - 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 |
| Material - Unit rear |
Rubber |
| Material - Upper/lower bracket |
SUS304 |
| Weight |
Main unit: Approx. 1.0 kgUpper/lower bracket: Approx.2.3 kg (including sub unit) |

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