Clamp-On Flow Sensor

FD-H series

Specs Clamp-On Flow Sensor FD-H series

Flow Sensors

Model

FD-H10

FD-H10K

FD-H20

FD-H20K

FD-H32

FD-H32K

Image

Type

Standard model

High-temperature model

Standard model

High-temperature model

Standard model

High-temperature model

Supported pipe diameter

1/4" (8A), ø13–16 ø0.51"-0.63"
3/8" (10A), ø16–18 ø0.63"-0.71"

1/2" (15A), ø18–23 ø0.71"-0.91"
3/4" (20A), ø23–28 ø0.91"-1.10"

1" (25A), ø28–37 ø1.10"-1.46"
1 1/4" (32A), ø37–44 ø1.46"-1.73"

Supported pipe materials

Metal piping, hard plastic piping*1

Supported fluids

All fluids (water, oil, chemicals, etc.)*1

Supported fluid temperature

0–85°C 32–185°F (no freezing on pipe surface)*2

0–180°C 32–356°F (no freezing on pipe surface)*2*10

0–85°C 32–185°F (no freezing on pipe surface)*2

0–180°C 32–356°F (no freezing on pipe surface)*2*10

0–85°C 32–185°F (no freezing on pipe surface)*2

0–180°C 32–356°F (no freezing on pipe surface)*2*10

Maximum rated flow

1/4" (8A) : 20 L/min
5.3 gal/min
3/8" (10A) : 30 L/min
7.9 gal/min

1/2" (15A) : 60 L/min 15.9 gal/min
3/4" (20A) : 100 L/min 26.4 gal/min

1" (25A) : 200 L/min 52.8 gal/min
1 1/4" (32A) : 300 L/min 79.3 gal/min

Zero cut flow rate

0.3 L/min 0.08 gal/min (variable, initial value)

0.5 L/min 0.13 gal/min (variable, initial value)

1.0 L/min 0.3 gal/min (variable, initial value)

Detection principle

Delta TOF + Pulse Doppler

Function for automatic correction for speed of sound in liquid

Yes

Display

QVGA 2.0 model: color LCD, status indicator light

Display update cycle

Approx. 10 times/second

Display resolution

Instantaneous flow

0.01/0.1/1 (L/min) (default value: 0.1)

0.01/0.1/1 (L/min) (default value: 1)

Integrated flow

0.01/0.1/1 (L) (default value: 0.1; up to 8 digits)

0.01/0.1/1 (L) (default value: 1; up to 8 digits)

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

Measurement accuracy

Between 10 and 100% of F.S.: ±3.0% of RD*3*4
Between 0 and 10% of F.S.: ±0.3% of F.S.*3*4

Repeatability

0.5 s: ±1.0%, 1 s: ±0.7%, 2.5 s: ±0.45%, 5 s: ±0.3%, 10 s: ±0.2%, 30 s: ±0.15%, 60 s: ±0.1% of F.S.*3*5

Hysteresis

Variable

Flow units

L/min m3/h G/min

Pulse output increments (L)

0.02–999.99

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

—

±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

—

±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

—

Network support

IO-Link*6

Heat calculation function

Unit

MJ/h kW kBTU/h*7

Display resolution

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

Pulse output increments (MJ)

0.02–999.99*7

Data accumulation

Accumulation period

Approx. 1 year

Data reading

USB2.0

Power I/O connector

M12 8-pin connector (male)

I/O (switchable)

Output (Ch1/2/3/4)

Instantaneous flow mode / area mode / pulse output mode / integrated flow mode / bubble detection mode / error output
NPN/PNP setting switching, open collector output 30 VDC or less, max. 100 mA/Ch or less, residual voltage 2.5 V or less

Analog output (Ch1/2)

4–20 mA/0–20 mA (switchable), load resistance 500 Ω or less

External input (Ch2/3)

Integrated reset input / flow-rate zero input / zero-point adjustment input / bank input
Short circuit current: 1.5 mA or less; input time: 20 ms or more

Power supply

Power voltage

20–30 VDC, ripple (P-P) 10% included, Class 2/LPS

Current consumption

240 mA or less (when using flow sensor standalone; with analog output; excluding load current)*8

Protection circuit

Protection against reverse power connection, power supply surges, output short circuits, and output surges

Environmental resistance

Enclosure rating

IP65/67 (IEC 60529)*9

Ambient temperature

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

Relative humidity

35–85% RH (no condensation)

Vibration resistance

10–500 Hz; Power spectral density: 0.816 G2/Hz; X, Y and Z directions

Shock resistance

100 m/s2 (approx. 10 G), 16 ms pulses, 1000 times each for X, Y and Z axes

Material

Display unit

Body: PPS/PET/POM; Display window: PAR

Sensor head

Body: PPS/PET/PAR/SUS304
Sensor element: special rubber; Mounting bracket: SUS304/SUSXM7

Body: PEEK/PPS/PET/PAR/SUS304
Sensor element: special rubber; Mounting bracket: SUS304/SUSXM7

Body: PPS/PET/PAR/SUS304
Sensor element: special rubber; Mounting bracket: SUS304/SUSXM7

Body: PEEK/PPS/PET/PAR/SUS304
Sensor element: special rubber; Mounting bracket: SUS304/SUSXM7

Body: PPS/PET/PAR/SUS304
Sensor element: special rubber; Mounting bracket: SUS304/SUSXM7

Body: PEEK/PPS/PET/PAR/SUS304
Sensor element: special rubber; Mounting bracket: SUS304/SUSXM7

Weight

approx. 440 g 15.52 oz

approx. 490 g 17.28 oz

approx. 480 g 16.93 oz

approx. 540 g 19.05 oz

approx. 620 g 21.87 oz

approx. 680 g 23.99 oz

*1 For fluids through which ultrasonic waves propagate, and which do not contain a large quantity of bubbles. Detection may be unstable depending on the type and condition of the pipe.
*2 When the display unit is mounted directly on the sensor head, there is a de-rating according to the ambient temperature and fluid temperature.
*3 This is the guaranteed value from verification performed at KEYENCE inspection facilities. Measurement error may occur depending on the type and condition of the customer’s pipes, the type of fluid, the fluid temperature and other factors.
*4 This is the value for when the zero point is adjusted, for a constant 25°C 77°F environment, taking into account the linearity and span error.
*5 In a state where flow velocity distribution is stable. Does not include pulsation and fluctuations in flow velocity distribution due to equipment factors. Please also convert the given F.S. (full scale) using the rated flow range.
*6 Supports IO-Link specification v.1.1/COM2 (38.4 kbps). Setting files can be downloaded from the KEYENCE website (www.keyence.com). IO-Link is a trademark or registered trademark of PROFIBUS Nutzerorganisation e.V. (PNO).
*7 Can be used when two temperature sensors (sold separately) are connected.
*8 640 mA or less including load. When connecting devices such as temperature sensors, please add on the current consumption of each sensor (up to a maximum of 830 mA or less).
*9 When a USB connection is in use, IP65/67 compliance is impaired.
*10 When using with fluids at temperatures of 140°C 284°F or greater, equip with the separately sold ultra-high-temperature couplant FD-HK1/HK2/HK3. Furthermore, the display unit must be separated from the sensor based on the de-rating.

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Flow Sensors

Model

FD-H22F

FD-H32F

FD-H47F

FD-H63F

Image

Type

Hose model

Supported pipe diameter

ø13–22.9 ø0.51"-0.90"

ø23–32.9 ø0.91"-1.295"

ø33–47.9 ø1.299"-1.886"

ø48–63 ø1.89"-2.48"

Supported pipe materials

Soft plastic piping, all hoses (braided hoses, pressure-resistant rubber hoses, etc.)*1

Supported fluids

All fluids (water, oil, chemicals, etc.)*1

Supported fluid temperature

0–100°C 32–212°F (no freezing on pipe surface)*2

Maximum rated flow

60 L/min
15.9 gal/min

200 L/min
52.8 gal/min

300 L/min
79.3 gal/min

500 L/min
132.1 gal/min

Zero cut flow rate

0.5 L/min
0.13 gal/min (variable, initial value)

1.0 L/min
0.3 gal/min (variable, initial value)

2.0 L/min
0.5 gal/min (variable, initial value)

5.0 L/min
1.3 gal/min (variable, initial value)

Detection principle

Delta TOF

Function for automatic correction for speed of sound in liquid

—

Display

QVGA 2.0 model: color LCD, status indicator light

Display update cycle

Approx. 10 times/second

Display resolution

Instantaneous flow

0.01/0.1/1 (L/min) (default value: 0.1)

0.01/0.1/1 (L/min) (default value: 1)

Integrated flow

0.01/0.1/1 (L) (default value: 0.1; up to 8 digits)

0.01/0.1/1 (L) (default value: 1; up to 8 digits)

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

Measurement accuracy

—

Repeatability

0.5 s: ±1.0%, 1 s: ±0.7%, 2.5 s: ±0.45%, 5 s: ±0.3%, 10 s: ±0.2%, 30 s: ±0.15%, 60 s: ±0.1% of F.S.*3*4

Hysteresis

Variable

Flow units

L/min m3/h G/min

Pulse output increments (L)

0.02–999.99

Pipe temperature measurement accuracy

—

Network support

IO-Link*5

Heat calculation function

Unit

MJ/h kW kBTU/h*6

Display resolution

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)*6

Pulse output increments (MJ)

0.02–999.99*6

Data accumulation

Accumulation period

Approx. 1 year

Data reading

USB2.0

Power I/O connector

M12 8-pin connector (male)

I/O (switchable)

Output (Ch1/2/3/4)

Instantaneous flow mode / area mode / pulse output mode / integrated flow mode / bubble detection mode / error output
NPN/PNP setting switching, open collector output 30 VDC or less, max. 100 mA/Ch or less, residual voltage 2.5 V or less

Analog output (Ch1/2)

4–20 mA/0–20 mA (switchable), load resistance 500 Ω or less

External input (Ch2/3)

Integrated reset input / flow-rate zero input / zero-point adjustment input / bank input
Short circuit current: 1.5 mA or less; input time: 20 ms or more

Power supply

Power voltage

20–30 VDC, ripple (P-P) 10% included, Class 2/LPS

Current consumption

240 mA or less (when using flow sensor standalone; with analog output; excluding load current)*7

Protection circuit

Protection against reverse power connection, power supply surges, output short circuits, and output surges

Environmental resistance

Enclosure rating

IP65/67 (IEC 60529)*8

Ambient temperature

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

Relative humidity

35–85% RH (no condensation)

Vibration resistance

10–500 Hz; Power spectral density: 0.816 G2/Hz; X, Y and Z directions

Shock resistance

100 m/s2 (approx. 10 G), 16 ms pulses, 1000 times each for X, Y and Z axes

Material

Display unit

Body: PPS/PET/POM; Display window: PAR

Sensor head

Body: PPS/PET/PAR/SUS304; Cable: PVC
Sensor element: special rubber; Mounting bracket: PPS/PBT/POM/SUS304/SUSXM7

Weight

approx. 770 g 27.16 oz

approx. 880 g 31.04 oz

approx. 1130 g 39.86 oz

approx. 1360 g 47.97 oz

*1 For fluids through which ultrasonic waves propagate, and which do not contain a large quantity of bubbles. Detection may be unstable depending on the type and condition of the pipe.
*2 When the display unit is mounted directly on the sensor head, there is a de-rating according to the ambient temperature and fluid temperature.
*3 This is the guaranteed value from verification performed at KEYENCE inspection facilities. Measurement error may occur depending on the type and condition of the customer’s pipes, the type of fluid, the fluid temperature and other factors.
*4 In a state where flow velocity distribution is stable. Does not include pulsation and fluctuations in flow velocity distribution due to equipment factors. Please also convert the given F.S. (full scale) using the rated flow range.
*5 Supports IO-Link specification v.1.1/COM2 (38.4 kbps). Setting files can be downloaded from the KEYENCE website (www.keyence.com). IO-Link is a trademark or registered trademark of PROFIBUS Nutzerorganisation e.V. (PNO).
*6 Can be used when two temperature sensors (sold separately) are connected.
*7 640 mA or less including load. When connecting devices such as temperature sensors, please add on the current consumption of each sensor (up to a maximum of 830 mA or less).
*8 When a USB connection is in use, IP65/67 compliance is impaired.

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Temperature Sensors

Model

FI-T8

FI-T15

FI-T25

FI-T50

FI-T100

FI-T200

Image

Supported pipe diameter

1/8", 1/4"
(6 A, 8 A)
ø8–14 ø0.31"–0.55"

3/8", 1/2"
(10A, 15A)
ø14–22 ø0.55"–0.87"

3/4", 1"
(20A, 25A)
ø22–38 ø0.87"–1.50"

1 1/4", 1 1/2", 2"
(32A, 40A, 50A)
ø38–70 ø1.50"–2.76"

2 1/2", 3", 3 1/2", 4"
(65 A, 80 A, 90 A, 100 A)
ø70–126 ø2.76"–4.96"

5", 6", 8"
(125A, 150A, 200A)
ø126–220 ø4.96"–8.66"

Supported pipe materials

Metal piping

Supported temperature range

−20 to +180°C –4 to +356°F*1

Display method

Organic EL, status indicator light

Display resolution

0.1°C 32.18°F

Response time

5 s (50% response), 15 s (90% response)*2

Display amplifier averaging time

0.1 s / 10.0 s / 20.0 s / 30.0 s / 60.0 s / 120.0 s / 300.0 s

Measurement accuracy

±0.5°C ±0.9°F (pipe temperature −20 to +80°C –4 to 176°F) (ambient temperature of 25°C 77°F)*2*3
±1.0°C ±1.8°F (pipe temperature 80–180°C 176–356°F) (ambient temperature of 25°C 77°F)*2*3

Hysteresis

Variable

Measurement principle

Pt100 4-wire type

Power I/O connector

M8 4-pin connector

Power supply

Current consumption

20 mA or less (excluding load current)*4

When used standalone

I/O (switchable)

Output (Ch1/Ch2)

Control output: switching NPN/PNP setting
Open collector output: 30 VDC or less, maximum 100 mA/ch or less, residual voltage 2.5 V or less*5

Analog output (Ch2)

4–20 mA / 0–20 mA (switchable), load resistance 260 Ω or less*5

Power voltage

20–30 VDC, ripple (P-P) 10% included; Class2/LPS*5

Protection circuit

Protection against reverse power connection, power supply surges, output short circuits, and output surges*5

Network compatibility

IO-Link*6*5

Environmental resistance

Enclosure rating

IP65/IP67 (IEC60529)

Ambient temperature

–10 to +60°C -14 to +140°F (no freezing)

Relative humidity

35–85% RH (no condensation)

Vibration resistance

10–500 Hz; power spectral density: 0.816 G2/Hz; X, Y and Z directions

Shock resistance

100 m/s2 (approx. 10 G), 16 ms pulses, 1000 times each for X, Y and Z directions

Material

Display amplifier

PBT / PAR / POM / SUS303

Sensor head

Head: PPS / SUS303 / Sn; Pipe clamp unit: SUS304; Cable: fluororesin

Display amplifier mounting bracket

SUS304

Weight

Approx. 70 g 2.47 oz

Approx. 80 g 2.82 oz

Approx. 65 g 2.29 oz

Approx. 70 g 2.47 oz

Approx. 100 g 3.53 oz

Approx. 120 g 4.23 oz

*1 When pipe temperature is 100°C 212°F or more, the display amplifier cannot be mounted on the pipe clamp unit. Install the amplifier so it is insulated from the heat from the pipe.
*2 This is the guaranteed value from verification performed at KEYENCE inspection facilities. Measurement error may occur depending on the type and condition of the customer’s pipes and fluid, the ambient temperature and other factors.
*3 This is the value for a constant 25°C 77°F environment, taking into account absolute error and repeatability.
*4 During standalone use, 220 mA or less including load.
*5 When connecting to a FD-H Series/FI-1000 model, please follow the specifications of the display unit.
*6 Supports IO-Link specification v.1.1/COM2 (38.4 kbps). Setting files can be downloaded from the KEYENCE website (www.keyence.com).
IO-Link is a trademark or registered trademark of PROFIBUS Nutzerorganisation e.V. (PNO).

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Concentration Sensors

Model

FI-C20D

FI-C40F

Image

Type

Probe type

Pipe type

Attachment

—

FI-CF1/3, FI-CF2/4

Detection principle

Refractive index (surface light source)

Rated concentration range

Brix: 0–20% (nD: 1.32500–1.37000)

Brix: 0–40% (nD: 1.32500–1.41000)

Display method

Status indicator light

Display range

Brix: 0–25%

Brix: 0–50%

Supported fluids

Non-corrosive aqueous solutions (such as water-soluble coolants, mold release agents, etc.)*1

Supported fluid temperature

0–70°C 32–158°F (no freezing)

Connection diameter

—

FI-CF1: Rc3/4 (20 A); FI-CF3: NPT3/4
FI-CF2: Rc1 1/2 (40 A); FI-CF4: NPT1 1/2

Rated pressure range

1.0 MPa or less

Pressure resistance

2.0 MPa

Display resolution

Brix: 0.01/0.1% (default value: 0.1)
(nD: 0.00001)

Response time

1.0 s / 2.5 s / 5.0 s / 10.0 s / 30.0 s / 60.0 s / 120.0 s / 200.0 s

Measurement accuracy

Brix: ±0.2%*2*3 (nD: ±0.0003)

Concentration unit

Brix nD*4

Temperature measurement accuracy

±1.0°C 1.8°F*2

Power supply

Current consumption

25 mA or less

Environmental resistance

Enclosure rating

IP65/IP67 (IEC60529)

Ambient temperature

–10 to +60°C 14 to +140°F (no freezing)

Relative humidity

35–85% RH (no condensation)

Vibration resistance

10–500 Hz; Power spectral density: 0.816 G2/Hz; X, Y and Z directions

Shock resistance

100 m/s2 (approx. 10 G), 16 ms pulses, 1000 times each for X, Y and Z directions

Material

Liquid end materials

Sensor element: synthetic quartz
Body: aluminum die-cast (nickel chrome plating) / SUS304
Pipe: aluminum alloy (anodized); Gasket: FKM

Sensor element: sapphire
Body: SCS16A; Gasket: FFKM

Other materials

Indicator light: PPSU / TPU / PBT
Cable: PUR

Body: SUS304; PPS indicator light: PPSU / TPU / PBT
Cable: PVC

Weight

Approx. 480 g 16.93 oz

Approx. 410 g 14.46 oz

*1 Use water as the solvent, and use materials that are soluble in water. If the particles are not water soluble, such as with slurry, the refractive index may not change.
*2 This is the guaranteed value from verification performed at KEYENCE inspection facilities. Measurement error may occur depending on the type, condition and temperature of the fluid used by the customer, as well as other factors.
*3 This is the value obtained when sucrose solution is used in a constant 20°C 68°F environment, and absolute error and repeatability is taken into account.
*4 When using solutions other than sucrose solutions, concentration can be adjusted via span adjustment.

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Standalone Display Unit

Model

FI-1000

Image

Display

QVGA 2.0 model: color LCD, status indicator light

Display update cycle

Approx. 10 times/second

Network support

IO-Link*1

Heat calculation function

Unit

MJ/h, kW, kBTU/h, GJ/h, MW, MBTU/h*2

Display resolution

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)*2

Pulse output increments (MJ)

0.02–999.99*2

Data accumulation

Accumulation period

Approx. 1 year

Data reading

USB2.0

Power I/O connector

M12 8-pin connector (male)

I/O (switchable)

Output (Ch1/2/3/4)

NPN/PNP setting switching, open collector output 30 VDC or less, max. 100 mA/ch or less, residual voltage 2.5 V or less

Analog output (Ch1/2)

4–20 mA/0–20 mA (switchable), load resistance 500 Ω or less

External input (Ch2/3)

Short circuit current: 1.5 mA or less; input time: 20 ms or more

Power supply

Power voltage

20–30 VDC, ripple (P-P) 10% included, Class 2/LPS

Current consumption

55 mA or less (display unit standalone, excluding load current)*3

Protection circuit

Protection against reverse power connection, power supply surges, output short circuits, and output surges

Environmental resistance

Enclosure rating

IP65/IP67 (IEC60529)*4

Ambient temperature

–20°C to +50°C –4°F to +122°F (no freezing)

Relative humidity

35–85% RH (no condensation)

Vibration resistance

10–500 Hz; Power spectral density: 0.816 G2/Hz; X, Y and Z directions

Shock resistance

100 m/s2 (approx. 10 G), 16 ms pulses, 1000 times each for X, Y and Z directions

Material

Body: PPS / PET / POM; Display window: PAR

Weight

Approx. 120 g 4.23 oz

*1 Supports IO-Link specification v.1.1/COM2 (38.4 kbps). Setting files can be downloaded from the KEYENCE website (www.keyence.com). IO-Link is a trademark or registered trademark of PROFIBUS Nutzerorganisation e.V. (PNO).
*2 Available when the separately sold flow meter FD-R Series and two temperature sensors are connected.
*3 455 mA or less including load. When connecting devices such as temperature sensors, please add on the current consumption of each sensor (to a maximum of 830 mA or less).
*4 When a USB connection is in use, IP65/67 compliance is impaired.

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