E39-R1S has better reflection efficiency and directionality than E39-R1, so more light returns to the receiver, which enables a longer sensing distance.
For reference, the sensing distances for E3Z-R Photoelectric Sensors are 3 m with the E39-R1 and 4 m with the E39-R1S.
For reference, the sensing distances for E3Z-R Photoelectric Sensors are 3 m with the E39-R1 and 4 m with the E39-R1S.
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