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Keyence LJ-S640

Sensor head. . Series: 3D Laser Snapshot Sensor. Series code: LJ-S8000 series

MPN: LJ-S640
Category: 3D Laser Snapshot Sensor

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What is the Keyence LJ-S640?

Sensor head. LJ-S640. Series: 3D Laser Snapshot Sensor. Series code: LJ-S8000 series

Specifications

Model Name	Sensor head
Model Code	LJ-S640
Series Title	3D Laser Snapshot Sensor
Series Code	LJ-S8000 series
Data Sheet URL	https://www.keyence.com/download/download/confirmation/?dlSeriesId=WS_157165&dlModelId=PM_122S640&dlSiteId=1&dlLanguageId=en-US&dlLangType=en-US
CAD URL	https://www.keyence.com/products/measure/laser-2d/lj-s8000/downloads/?mode=cd&modelId=PM_122S640
Manuals URL	https://www.keyence.com/products/measure/laser-2d/lj-s8000/downloads/?mode=ma&modelId=PM_122S640
Model	LJ-S640
Reference distance	1116 mm 43.94"*1
Measurement range - Z-axis (height)	+180/−250 mm +7.09"/−9.84" (F.S.=430 mm 16.93")
Measurement range - X-axis (width)	579 mm 22.80"
Measurement range	640 mm 25.20"
XY data interval	200 μm 0.0079"
Number of XY data points	3200×3200
Light source - Laser light source	405 nm (visible light) wavelength blue semiconductor laser
Light source - Laser class	Class 2M laser product2 (IEC 60825-1, FDA (CDRH) Part 1040.103)
Light source - Output	10 mW
Repeatability - Z-axis (height)	10 μm 0.0004"*4
Repeatability - XY (distance)	25 μm 0.0010"*5
Linearity - Standard area	±0.058% of F.S.*6
Linearity - High-accuracy area	±0.023% of F.S.*6
Imaging time	Min. 0.3 sec *7
I/F - Ethernet	1000BASE-T, 100BASE-TX
I/F - Input	LASER_ON, TRG, MEM_CLEAR *8
I/F - Output	READY, EXPOSURE_BUSY, ERROR *8
Ratings - Power voltage	24 VDC +25%, -20%
Ratings - Current consumption / Power	Max. 5.5 A (at 19.2 V), 4.4 A (at 24 V)*9 / Typ. 17 W
Environmental resistance - Enclosure rating	IP65 (IEC60529) *10
Environmental resistance - Ambient light	Incandescent lamp: 10000 lux or less *11
Environmental resistance - Ambient temperature	0 to +45°C 32.0°F to +113.0°F *12
Environmental resistance - Relative humidity	85% RH or below (no condensation)
Environmental resistance - Vibration resistance	10 to 500 Hz; Power spectral density: 0.033 G2/Hz; X, Y, and Z directions (IEC 60068-2-64)
Environmental resistance - Shock resistance	15 G (IEC 60068-2-27)
Material	Aluminum
Weight	Approx. 4300 g 9.48 lb

LJ-S640: frequently asked questions

When can LJ-S640 be shipped?

LJ-S640 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 LJ-S640 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 LJ-S640 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 LJ-S640, subject to availability and destination.