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Keyence FD-Q50C

Sensor Main Unit 40A/50A Type. . Series: Clamp-on Flow Sensor. Series code: FD-Q series

MPN: FD-Q50C
Category: Clamp-On Flow Sensor

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12-month warranty (new) · 3-month (used/refurbished)
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What is the Keyence FD-Q50C?

Sensor Main Unit 40A/50A Type. FD-Q50C. Series: Clamp-on Flow Sensor. Series code: FD-Q series

Specifications

Model Name	Sensor Main Unit 40A/50A Type
Model Code	FD-Q50C
Series Title	Clamp-on Flow Sensor
Series Code	FD-Q series
Data Sheet URL	https://www.keyence.com/download/download/confirmation/?dlSeriesId=WS_147370&dlModelId=PM_160Q50C&dlSiteId=1&dlLanguageId=en-US&dlLangType=en-US
CAD URL	https://www.keyence.com/products/process/flow/fd-q/downloads/?mode=cd&modelId=PM_160Q50C
Manuals URL	https://www.keyence.com/products/process/flow/fd-q/downloads/?mode=ma&modelId=PM_160Q50C
Model	FD-Q50C
Supported pipe diameter	1 1/2" (40 A), ø44 to ø52 (mm)2" (50 A), ø52 to ø64 (mm)
Supported pipe materials	Metal pipe/Resin pipe*1
Supported fluids	Various liquid [i.e. water (including DI), oils, chemicals, etc.]*1
Supported fluid temperature	0 to 85°C 32 to 185°F (No freezing on the pipe surface)*2
Maximum rated flow	1 1/2" (40 A): 400 L/min, 105.7 G/min2" (50 A): 500 L/min, 132.1 G/min
Zero cut flow rate	25 L/min (Default)*3
Display method	Status indicator, output indicator, dual row display with 4-digit, 7 segment LED, stability level indicator
Display update cycle	Approx. 3 Hz
Display resolution	0.1/ 1 (Default :1) (L/min)
Response time	0.5 s / 1.0 s / 2.5 s / 5 s / 10 s / 30 s / 60 s
Protection circuit	Power supply reverse connection protection, power supply surge protection,each output short-circuit protection, each output surge protection
Repeatability	0.5 s : ±2.0%, 1 s:±1.5%, 2.5 s : ±1.0%, 5 s : ±0.5%, 10 s : ±0.35%, 30 s : ±0.2%, 60 s : ±0.15% (/F.S.*4(Specific to selected response time))
Hysteresis	Variable
Integrated flow unit display	1/ 10/ 100/ 1000/ 10000 (Default : 1) (L)
Integrated flow data storage cycle	Save to memory every 10 seconds
Memory backup	EEPROM (Data storage length: 10 years or longer, Data read/write frequency: 1 million times or more)
Power I/O connector	M12 4-pin connector
Input/Output (Selectable) - Output (ch.1/ch.2)	Control output/ Pulse output/ Error output (Selectable, Default : ch.1 control output/ ch.2 not used),NPN/PNP setting switchable,open collector output 30 V or less, max. 100 mA/ch., residual voltage 2.5 V or less*5
Input/Output (Selectable) - Analog output (ch.2)	4 to 20 mA / 0 to 20 mA (Selectable, Default: not used), load resistance 500 Ω or less*5
Input/Output (Selectable) - External input (ch.2)	Integrated flow reset input/ Flow rate zero input/ Origin adjustment input (Selectable, Default: not used),short-circuit current 1.5 mA or less, input time 20 ms or more*5
Power supply - Power voltage	20 to 30 VDC , ripple (P-P) 10% max, Class2/LPS
Power supply - Current consumption	130 mA or less (Load current excluded)*6
Environmental resistance - Enclosure rating	IP65/IP67 (IEC60529)
Environmental resistance - Ambient temperature	-10 to +60 °C 14 to 140 °F (No freezing)
Environmental resistance - Relative humidity	35 to 85 % RH (No condensation)
Environmental resistance - Vibration resistance	10 to 55 Hz, Double amplitude 1.5 mm 0.06", 2 hours in each of the X, Y, and Z directions
Environmental resistance - Shock resistance	100 m/s2, 16 ms pulse, 1,000 times in each of the X, Y, and Z directions
Material - Sensor main unit	PPS/PES/PBT/SUS303/SUS304/SUSXM7
Material - Sensor surface	Rubber
Material - Mounting bracket	SUS304/PA/POM/SUSXM7
Weight	Approx. 640 g (including mounting bracket)

FD-Q50C: frequently asked questions

When can FD-Q50C be shipped?

FD-Q50C is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up FD-Q50C in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for FD-Q50C and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for FD-Q50C, subject to availability and destination.