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Keyence FR-S01

Short range sensor main unit with integrated display Standard model.

MPN: FR-S01
Category: Radar Level Sensor

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What is the Keyence FR-S01?

Short range sensor main unit with integrated display Standard model. FR-S01. Series: Radar Level Sensor. Series code: FR series

Specifications

Model Name	Short range sensor main unit with integrated display Standard model
Model Code	FR-S01
Series Title	Radar Level Sensor
Series Code	FR series
Data Sheet URL	https://www.keyence.com/download/download/confirmation/?dlSeriesId=WS_157159&dlModelId=PM_281S01&dlSiteId=1&dlLanguageId=en-US&dlLangType=en-US
CAD URL	https://www.keyence.com/products/process/level/fr/downloads/?mode=cd&modelId=PM_281S01
Manuals URL	https://www.keyence.com/products/process/level/fr/downloads/?mode=ma&modelId=PM_281S01
Model	FR-S01
Type	Short range Standard model
Measuring range	Up to 1.5 m 4.9'*1
Display range	Up to 2 m 6.6'*1
Measurable dielectric constant of medium	2 or higher*2
Resolution	1 mm 0.04"
Precision	Up to 0.1 m 0.3': ±20 mm 0.79";0.1 to 0.3 m 0.3' to 1.0' : ±5 mm 0.20";0.3 to 1.5 m 1.0' to 4.9' : ±1 mm 0.04"*3
Response time	0.4 s, 1.5 s, 4 s (default value), 10 s
Tank pressure	-0.1 to +1 Mpa
Material - Tank interior	Lens: PTFEInternal packing: FKMJoint: SUS304
Material - Housing	PBT PAR
Connection diameter	G3/4 (20 A)
Output - No. of control outputs	Maximum 5
Output - Control output/auxiliary output	NPN/PNP open collector (switching type)30 VDC or less, max 50 mA for eachResidual voltage of 1.4 V or less (50 mA or less)N.O./N.C. Switching typeIO2 is switchable to IO-LinkIO5 is switchable to external input
Output - Analog output	0–20 mA/4–20 mAmaximum load resistance 260 Ω(Response time: 0.2 s after judgment output is confirmed [90% response])
External input	Short-circuit current: 1.5 mA or lessInput time 500 ms or more
Network compatibility	IO-Link v1.1/COM2
Analog output accuracy - Resolution	1 mm 0.04"*4
Analog output accuracy - Zero accuracy	±0.1 mA (zero point = 4 mA)*4
Analog output accuracy - F.S. accuracy	±0.2 mA (full-scale = 20 mA)*4
Power supply - Power voltage	24 VDC + 25%/–20% Including ripple Class 2 or LPS
Power supply - Power consumption	80 mA or less (Excluding Load Current)
Environmental resistance - Ambient temperature	−20°C to +55°C56 -4°F to +131°F(no freezing)
Environmental resistance - Relative humidity	Up to 85% RH (no condensation)
Environmental resistance - Temperature of coupling used	–20 to +85°C -4°F to +185°F (no freezing)56
Environmental resistance - Vibration resistance	10–500 Hz Power spectral density: 0.816 G2; X, Y and Z directions
Environmental resistance - Shock resistance	100 m/s2 (10 G), 16 ms pulses, 1000 times each for X, Y and Z directions
Enclosure rating	IP67 (IEC60529)
Protection circuit	Protection against reverse power connection, power supply surges, output overcurrent protection, and output surges
Weight	Approx. 170 g 6.00 oz

FR-S01: frequently asked questions

When can FR-S01 be shipped?

FR-S01 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 FR-S01 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 FR-S01 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 FR-S01, subject to availability and destination.