| Model | FD-H10 |
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| Type | Standard model |
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| Supported pipe diameter | 1/4" (8A), ø13–16 ø0.51"-0.63"3/8" (10A), ø16–18 ø0.63"-0.71" |
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| Supported pipe materials | hard plastic piping*1, Metal piping |
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| Supported fluids | All fluids (water, chemicals, etc.)*1, oil |
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| Supported fluid temperature | 0–85°C 32–185°F (no freezing on pipe surface)*2 |
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| Maximum rated flow | 1/4" (8A) : 20 L/min5.3 gal/min3/8" (10A) : 30 L/min7.9 gal/min |
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| Zero cut flow rate | 0.3 L/min 0.08 gal/min (variable, initial value) |
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| Detection principle | Delta TOF + Pulse Doppler |
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| Function for automatic correction for speed of sound in liquid | Yes |
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| Display | QVGA 2.0 model: color LCD, status indicator light |
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| Display update cycle | Approx. 10 times/second |
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| Display Resolution | 0.01/0.1/1 (L) (default value: 0.1; up to 8 digits), 0.01/0.1/1 (L/min) (default value: 0.1) |
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| 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 |
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| Measurement accuracy | Between 10 and 100% of F.S.: ±3.0% of RD*3*4Between 0 and 10% of F.S.: ±0.3% of F.S.*3*4 |
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| Repeatability | 0.5 s: ±1.0%, 1 s: ±0.7%, 10 s: ±0.2%, 2.5 s: ±0.45%, 30 s: ±0.15%, 5 s: ±0.3%, 60 s: ±0.1% of F.S.*3*5 |
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| Hysteresis | Variable |
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| Flow units | L/min m3/h G/min |
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| Pulse output increments (L) | 0.02–999.99 |
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| Pipe temperature measurement accuracy | ±2.0°C ±3.5°F (pipe temperature 0–50°C 32–122°F), ±3.0°C ±5.4°F (pipe temperature 50–85°C 122–185°F) (ambient temperature of 25°C 77°F)*3 |
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| Network support | IO-Link*6 |
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| Heat calculation function | 0.02–999.99*7, Instantaneous value (MJ/h): 0.01/0.1/1 (default value 0.1); Integrated value (MJ): 0.01/0.1/1 (default value 0.1)*7, MJ/h kW kBTU/h*7 |
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| Data accumulation | Approx. 1 year, USB2.0 |
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| Power I/O connector | M12 8-pin connector (male) |
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| I/O (switchable) | 4–20 mA/0–20 mA (switchable), Instantaneous flow mode / area mode / pulse output mode / integrated flow mode / bubble detection mode / error outputNPN/PNP setting switching, Integrated reset input / flow-rate zero input / zero-point adjustment input / bank inputShort circuit current: 1.5 mA or less; input time: 20 ms or more, load resistance 500 Ω or less, max. 100 mA/Ch or less, open collector output 30 VDC or less, residual voltage 2.5 V or less |
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| Power supply | 20–30 VDC, 240 mA or less (when using flow sensor standalone; with analog output; excluding load current)*8, Class 2/LPS, ripple (P-P) 10% included |
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| Protection Circuit | Protection against reverse power connection, and output surges, output short circuits, power supply surges |
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| Environmental resistance | Y and Z axes, 10–500 Hz; Power spectral density: 0.816 G2/Hz; X, 100 m/s2 (approx. 10 G), 1000 times each for X, 16 ms pulses, 35–85% RH (no condensation), IP65/67 (IEC 60529)*9, Sensor head: −20 to +60°C –4 to +140°F (no freezing); Display unit: −20 to +50°C –4 to +122°F (no freezing)*2, Y and Z directions |
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| material | Body: PPS/PET/PAR/SUS304Sensor element: special rubber; Mounting bracket: SUS304/SUSXM7, Body: PPS/PET/POM; Display window: PAR |
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| Weight | approx. 440 g 15.52 oz |
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| Brand | Keyence |
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