E3Z-LR81 Omron Photoelectric Sensor

Sensing method

Retro-reflective with MSR function

Light source

Red laser diode

Wavelength

655 nm

Laser safety class

Class 1

Sensing distance

0.2–7 m with E39-R12 reflector

Supply voltage

12–24 VDC ±10%

Current consumption

30 mA maximum

Output type

PNP open collector

Output operation

Light-ON / Dark-ON selectable

Maximum load current

100 mA

Maximum load voltage

26.4 VDC

Residual output voltage

1 V max. below 10 mA; 2 V max. at 10–100 mA

Response time

1 ms maximum

Connection type

Pre-wired cable

Standard cable length

2 m for E3Z-LR81 2M

Housing material

PBT

Dimensions (W × H × D)

10.8 × 31 × 20 mm

Protection rating

IP67

Operating temperature

−10°C to +55°C

Minimum reflector distance

200 mm

Standard detectable object

Opaque object, 75 mm diameter minimum

Minimum detectable object

6 mm diameter at 3 m (reference value)

Spot diameter

5 mm maximum at 3 m

Sensitivity adjustment

Single-turn adjustment

Indicators

Orange operation indicator and green stability indicator

Protection circuits

Reverse power polarity, output short-circuit and output reverse polarity protection

Shape

Rectangular