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MEASUREMENT & INSPECTION
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L-GAGE
® 
LT3 Sensors
 Programmable output response for three 
speeds using simple push-button TEACH
 Bright, visible laser spot to simplify alignment
 Analog outputs in a choice of 0 to 10V dc or  
4 to 20 mA sourcing 
 Rugged construction to withstand demanding 
sensing environments; rated IEC IP67, NEMA 6 
 2 m or 9 m attached cable, or 8-pin Euro-style  
quick-disconnect
 8-pin Euro-style QD cables with shield ordered  
separately (see page 416)
L-GAGE
®
 LT3, 12-24V dc
Models
Sensing
Mode/LED*
Laser
Class
Sensing
Distance
Cable**
Discrete
Output
Analog
Output
Data 
Sheet
LT3BD
LASER DIFFUSE
Class 2
0.3 to 5 m
for 90% reflectivity 
white card 
(see Performance 
Curve RRC-1 on 
page 510 for more 
information)
2 m
Dual NPN or 
PNP Selectable
None
LT3BDQ
8-pin Euro QD
LT3PU
2 m
PNP
0 to 10V dc
65742
LT3PUQ
8-pin Euro QD
LT3NU
2 m
NPN
0 to 10V dc
LT3NUQ
8-pin Euro QD
LT3PI
2 m
PNP
4 to 20 mA
LT3PIQ
8-pin Euro QD
LT3NI
2 m
NPN
4 to 20 mA
LT3NIQ
8-pin Euro QD
LT3BDLV
LASER RETRO
Class 1
0.5 to 50 m
(see Performance 
Curve RRC-2 on 
page 510 for more 
information)
2 m
Dual NPN or 
PNP Selectable
None
LT3BDLVQ
8-pin Euro QD
LT3PULV
2 m
PNP
0 to 10V dc
68504
LT3PULVQ
8-pin Euro QD
LT3NULV
2 m
NPN
0 to 10V dc
LT3NULVQ
8-pin Euro QD
LT3PILV
2 m
PNP
4 to 20 mA
LT3PILVQ
8-pin Euro QD
LT3NILV
2 m
NPN
4 to 20 mA
LT3NILVQ
8-pin Euro QD
Download
PDF
 
Visible Red Laser  
**   For 9 m cable, add suffix W/30 to the 2 m model number (example, LT3BD W/30). A model with a QD requires a mating cable (see page 416).
  Retroreflective range specified using included model BRT-TVHG-8X10P high-grade target.
87.0 mm
68.5 mm
 35.3 mm
QPMA
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