Specification
MODEL ----------------------- SFT-520
Number of diodes: 16
Scan beams: 94 beams
Detecting beams: 31beams
Detecting height: Lowest 48mm, highest 1680mm
(Above to Bottom of light curtain)
Size: 9mm (thick) x 24. 5mm (wide) x 2000mm (high)
Detecting distance: 0-4000mm
Vertical displacement 0mm: 20mm
Horizontal displacement 0mm: 3mm
Angular displacement 0mm: 15degrees
Cable reliability: 20 million door movements
Free fall: 1000mm
Light immunity: ?? 50000LUX
IP Rating: IP44
Temperature Test: -10 ~ 65 C
Scan Speed: 40ms
Response Time: 60ms
Timeout Function: 15 Second a diode

MODEL ----------------------- SFT-532
Number of diodes: 32
Scan beams: 154 beams
Detecting beams: 32 beams (less than 400mm)
94 beams (?? 400mm)
Detecting height: Lowest 48mm, highest 1680mm
(Above to Bottom of light curtain)
Size: 9mm (thick) x 24. 5mm (wide) x 2000mm (high)
Detecting distance: 0-4000mm
Vertical displacement 0mm: 20mm
Horizontal displacement 0mm: 3mm
Angular displacement 0mm: 15degrees
Cable reliability: 20 million door movements
Free fall: 1000mm
Light immunity: ?? 50, 000 LUX
IP Rating: IP44
Temperature Test: -10 ~ 65 C
Scan Speed: 70ms
Response Time: 90ms
Timeout Function: 15 Second
3 non-adjacent diodes