The BS4 series photomicro sensors are available in 7 different shapes (K, L, R, T, TA, F, Y types) and built-in connector type, offering maximum flexibility for various user applications and installation settings. The sensors are designed to minimize errors occurring from foreign substances. The sensors offer high visibility with operation indicators viewable from multiple directions.

Sensing type Through-beam type
Sensing distance 5mm
Sensing target Opaque
Min. sensing target ≥ 0.8 mm × 1.8 mm
Hysteresis(distance) ≤0.05mm
Response time Light ON: Max. 20㎲,
Dark ON: Max. 80㎲
Response frequency 2kHz
Light source Infrared LED
Peak emission wavelength 940nm
Operation mode Light ON/Dark ON(Built-in)
Indicator Operation indicator (red LED)
Weight ≈ 2.4 g
Power supply 5-24VDC ±10%(ripple P-P : max. 10%)
Current consumption Max. 15mA
Control output PNP open collector
Load voltage ≤ 24VDC
Load current Max. 50mA
Residual voltage NPN: ≤1.2VDC, PNP: ≤ 1.2VDC
Protection circuit Reverse polarity protection circuit, output overcurrent (short-circuit) protection circuit
Insulation resistance ≥20 MΩ (250 VDC megger)
Noise immunity The square wave noise (pulse width: 1㎲) by the noise simulator ±240VDC
Dielectric strength 1,000VAC~ 50/60Hz for 1 minute
Vibration 1.5mm amplitude (max. acceleration 196m/s²) at frequency of 10 to 2,000Hz in each X, Y, Z direction for 2 hours
Shock 15,000 m/s² (approx. 1,500G) in each X, Y, Z direction for 3 times
Environment_Ambient illumination Fluorescent lamp: Max. 1,000lx(received illumination)
Environment_Ambient temperature -20 to 55℃, storage : -25 to 85℃
Environment_Ambient humidity 35 to 85% RH, storage: 35 to 85% RH
Protection structure IP50 (IEC standard)
Connection Connector type
Material Case: PBT, Sensing part: PC