1.Immune to External Light Interference:
The variable light intensity design effectively prevents interference from external light sources (such as fluorescent lights, sunlight, etc.), ensuring stable detection performance.
2.Waterproof and Dustproof Features:
The design includes waterproof and dustproof capabilities, making it suitable for harsh environments and ensuring stable operation under various working conditions.
3.Fast Response Time:
The response time is less than 8ms, allowing for quick reactions, enhancing the efficiency and safety of the equipment.
4.Sunlight Resistance:
Equipped with imported infrared light sources, the product has a long lifespan and maintains stable performance even under strong sunlight.
5.Strong Anti-Interference Ability:
It has excellent resistance to electromagnetic signals, strobe lighting, welding arcs, and other interferences, ensuring reliable operation in complex environments.
6.High Reliability and Long Lifespan:
Built with durable materials and precise structural design, the product offers high reliability and a long service life.
Strong earthquake resistance, reliable operation on dangerous presses


Installed on both sides of the equipment to protect the safety of the operator
In the front and side of the equipment, the installation of detection safety light curtain, excellent structural design, good anti-interference performance, can effectively prevent accidents caused by the operator injury


There are a variety of optical axis spacing and optical axis number to choose from, the response time is fast, the performance is stable, the ability to resist optical interference is strong, the maximum can withstand 10000Lux interference, not subject to other stray light interference on the site
Detection Method | Reflector type |
Minimum Detectable Object | 30mm non-transparent object |
Standard Detectable Object | ≥30mm non-transparent object |
Detection Distance | 0-5m+20% |
Sensitivity Adjustment | non-tunable |
Light Source | 940mm(Infrared modulated light) |
Hysteresis | There is no |
Current Consumption | 12~24VDC±10% |
Operating Voltage | <30mA |
Load Current | 100mA |
Leakage Current | <0.01mA No Load |
Residual Voltage | <1.5VDC(Load current 100mA, wire 2m) |
Repeat Accuracy | <1%Detection distance |
Response Time | 8ms |
Power Reverse Polarity Protection | There are |
Output Short Circuit Protection | There are |
Group Pulse Rating | National Standard 3 |
Output Mode | NPN.NO |
Indicator Light | There are |
Connection Method | M8 connector Φ4.0*2m/4-wires/M8 connector Φ4.0*2M/3-wires |
Product size specification sheet
Model number | Dot spacing | Number of spots (even) | Detection length | Curtain length | Installation space |
HSLUS20D-08QN | 20 | 08 | 140 | 187 | 195 |
HSLUS20D-12QN | 12 | 220 | 267 | 275 | |
HSLUS20D-16QN | 16 | 300 | 347 | 355 | |
HSLUS20D-20QN | 20 | 380 | 427 | 435 | |
HSLUS20D-24QN | 24 | 460 | 507 | 515 | |
HSLUS20D-30QN | 30 | 580 | 627 | 635 | |
HSLUS20D-32QN | 32 | 620 | 667 | 675 | |
HSLUS20D-40QN | 40 | 780 | 827 | 835 | |
HSLUS20D-48QN | 48 | 940 | 987 | 995 | |
HSLUS20D-56QN | 56 | 1100 | 1147 | 1155 | |
HSLUS20D-(2*X)QN | N | 20*(N-1) | 20*(N-1)+47 | 20*(N-1)+55 | |
HSLUS40D-04QN | 40 | 04 | 120 | 187 | 195 |
HSLUS40D-06QN | 06 | 200 | 267 | 275 | |
HSLUS40D-08QN | 08 | 280 | 347 | 355 | |
HSLUS40D-10QN | 10 | 360 | 427 | 435 | |
HSLUS40D-(2*X)QN | N | 40*(N-1) | 40*(N-1)+67 | 40*(N-1)+75 |
Product dimensions and circuit diagrams


Q:Can I get samples for test?
A:Yes,we support free test samples and shipping cost at your side.
Q: What's your leadtime?
A:Generally speaking,we have stocks for 110 kind of different models and can ship at any time. If we don't have stock,our leadtime is 5-7 working days.We will pull in the production schedule if your demand is urgently.
Q: What's your payment term?
A:You can pay us by T/T, Paypal, Westunion.
Q:How do you arrange the shipment ?
A:We normally ship by Fedex, UPS and TNT, we are VIP of this courier and get 60% discount.We also can accept other ship method if there is an need.