Industrial Automation

E3Z-LT / LR / LL

Compact Laser Photoelectric Sensor with Built-in Amplifier

E3Z-LT / LR / LL

Compact and Reliable Laser Photoelectric Sensor

last update: May 26, 2025

Sensing method		Through-beam	Retro-reflective with MSR function	Distance-settable (BGS models)
Response		Standard response			High-speed response
Model	NPN output	E3Z-LT61/-LT66	E3Z-LR61/-LR66	E3Z-LL61/-LL66	E3Z-LL63/-LL68
Model	PNP output	E3Z-LT81/-LT86	E3Z-LR81/-LR86	E3Z-LL81/-LL86	E3Z-LL83/-LL88
Sensing distance		60 m	0.2 to 7 m (when using E39-R12)	White paper (100 × 100 mm): 20 to 300 mm Black paper (100 × 100 mm): 20 to 160 mm	White paper (100 × 100 mm): 25 to 300 mm Black paper (100 × 100 mm): 25 to 100 mm
Set distance range		---		White paper (100 × 100 mm): 40 to 300 mm Black paper (100 × 100 mm): 40 to 160 mm	White paper (100 × 100 mm): 40 to 300 mm Black paper (100 × 100 mm): 40 to 100 mm
Spot diameter (reference value)		5-mm dia. at 3 m		0.5-mm dia. at 300 mm
Standard sensing object		Opaque: 12-mm dia. min.	Opaque: 75-mm dia. min.	---
Minimum detectable object (reference value)		6-mm-dia. opaque object at 3 m		0.2-mm-dia. stainless-steel pin gauge at 300 mm
Differential travel		---		5% max. of set distance
Black/white error		---		5% at 160 mm	5% at 100 mm
Directional angle		Receiver: 3 to 15°	---
Light source (wavelength)		Red LD (655 nm)
Laser class		Class 1 (JIS, IEC/EN, FDA, GB/T)
Power supply voltage		12 to 24 VDC±10%, ripple (p-p): 10% max.
Current consumption		35 mA (Emitter 15 mA, Receiver 20 mA)	30 mA max.
Control output		Load power supply voltage: 26.4 VDC max., Load current: 100 mA max., Open collector output
Residual output voltage		Load current of less than 10 mA: 1 V max. Load current of 10 to 100 mA: 2 V max.
Output mode switching		Switch to change between light-ON and dark-ON
Protection circuits		Reversed power supply polarity protection, Output short-circuit protection, and Reversed output polarity protection	Reversed power supply polarity protection, Output short-circuit protection, Mutual interference prevention, and Reversed output polarity protection
Response time		Operate or reset: 1 ms max.			Operate or reset: 0.5 ms max.
Sensitivity adjustment		One-turn adjuster		Five-turn endless adjuster
Ambient illumination (Receiver side)		Incandescent lamp: 3,000 lx max. Sunlight: 10,000 lx max.
Ambient temperature range		Operating: -10 to 55°C, Storage: -25 to 70°C (with no icing or condensation)
Ambient humidity range		Operating: 35% to 85%, Storage: 35% to 95% (with no icing or condensation)
Insulation resistance		20 MΩ min. at 500 VDC
Dielectric strength		1,000 VAC, 50/60 Hz for 1 min
Vibration resistance		Destruction: 10 to 55 Hz, 1.5-mm double amplitude for 2 hours each in X, Y, and Z directions
Shock resistance		Destruction: 500 m/s² 3 times each in X, Y, and Z directions
Degree of protection		IP67 (IEC 60529)
Connection method		Pre-wired cable (standard length: 2 m): E3Z-L[][]1/-L[][]3 Standard M8 Connector: E3Z-L[][]6/-L[][]8
Indicator		Operation indicator (orange) Stability indicator (green) Emitter for Through-bream Models has power indicator (orange) only.
Weight (packed state)	Pre-wired cable (2 m)	Approx. 120 g	Approx. 65 g
Weight (packed state)	Standard Connector	Approx. 30 g	Approx. 20 g
Material	Case	PBT (polybutylene terephthalate)
Material	Lens	Modified polyarylate resin	Methacrylic resin	Modified polyarylate resin
MTTFd (Year)		1,067	1,583	775
Accessories		Instruction manual (Neither Reflectors nor Mounting Brackets are provided with any of the above models.)

last update: May 26, 2025

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E3Z-LT / LR / LL

Compact and Reliable Laser Photoelectric Sensor

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