Built-in amplifier photoelectric sensors

PZ2 series

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This model has been discontinued.

Recommended Replaceable Products: Square Reflective Cable Type, PNP - PZ-G41P

Square Reflective Cable Type, PNP PZ2-41DP

PZ2-41DP - Square Reflective Cable Type, PNP





Diffuse-reflective Long-range

Detection distance

600 mm (200 x 200 mm white mat paper)

Light source


Detectable object

Transparent and opaque

Hysteresis(of detecting distance)

20 % max.

Sensitivity adjustment

1-turn trimmer (240°)

Response time

2 ms max.

Operation mode

LIGHT-ON/DARK-ON (switch-selectable)

Indicator lamp

Output and power*1: Red LED, Stable operation: Green LED


NPN or PNP: 100 mA (40 V) max., Residual voltage: 1 V max.

Protection circuit

Reversed polarity, overcurrent protection, surge absorber


Power voltage

12 to 24 VDC ±10 %, Ripple (P-P) 10 % or less

Current consumption

35 mA or less

Environmental resistance

Enclosure rating


Ambient light

Incandescent lamp: 5,000 lux max., Sunlight: 20,000 lux max.

Ambient temperature

-20 to +55 °C (No freezing)

Relative humidity

35 to 85 % RH (No condensation)

Vibration resistance

10 to 55 Hz, Double amplitude 1.5 mm, 2 hours in each of the X, Y, and Z directions

Shock resistance

1,000 m/s2, 6 times in each of the X, Y, and Z directions

Case material

Glass-fibre reinforced plastic


Mounting bracket x 1, Mounting screws x 2, Plate nut x 1


Approx. 50 g (including 2-m connector cable)

*1 The power indicator is equipped with the PZ2-51 only.

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