High-Precision Laser Distance Sensor for Industrial Measurement
The KEYENCE SL-V44H is a 200mm-range laser sensor designed for ultra-precise non-contact measurement in industrial automation. With ±0.1% linear accuracy and a 120Hz response frequency, it delivers real-time position and distance data for moving objects, ideal for quality control, robotic guidance, and material handling. Its red laser alignment simplifies target positioning, while the compact M12 housing (IP67-rated) ensures durability in dusty, wet, or oily environments. The sensor supports analog (0-5V/4-20mA) and digital (RS-422) outputs, enabling seamless integration with PLCs, HMIs, and IoT systems. A built-in LED indicator shows signal strength, reducing setup time, while the -25°C to +55°C operating range suits extreme industrial conditions. Perfect for automotive component inspection, semiconductor wafer positioning, and conveyor belt alignment, the SL-V44H balances precision with rugged reliability.
Advanced Technical Features for Dynamic Environments
Engineered for high-speed applications, the SL-V44H features ambient light immunity (up to 10,000 lux) and vibration resistance (10-55Hz, 1.5mm amplitude), minimizing errors from external interference. Its teach function allows quick calibration for specific targets, adapting to reflective or matte surfaces without manual adjustments. Powered by 12-24V DC with low power consumption (35mA), the sensor includes a short-circuit protection mechanism for safe operation. The 2m shielded cable with M8 connectors ensures stable signal transmission, while optional mounting brackets (sold separately) facilitate flexible installation on machinery or robotic arms. CE and RoHS compliance certifies global usability, making it a versatile choice for cross-industry automation solutions that demand repeatable, high-resolution measurements.
Versatile Solutions for Process Optimization
The SL-V44H excels in real-time monitoring of part dimensions, gap distances, and height variations in manufacturing lines. In electronics assembly, it detects micro-component placement with micron-level precision, reducing defects in PCB production. For logistics and warehousing, the sensor measures package heights on conveyor belts, optimizing storage space and sorting efficiency. Its hysteresis control prevents false triggers in unstable environments, while the compact design fits into tight spaces where traditional sensors fail. By combining long-range detection with industry-leading accuracy, the SL-V44H enhances process reliability, minimizes downtime, and supports predictive maintenance—key advantages for smart factories aiming to achieve Industry 4.0 standards.
| Attribute | Description |
| Product Type | Safety Light Curtain with 44 optical axes. |
| Model | SL - V44H (General - Purpose Type, 860 mm Detection Height) |
| Detection Range | 0.1–9 m working distance with ±2.5° effective aperture angle. |
| Response Time | - 12 ms (ON → OFF activation)
- 52 ms (OFF → ON recovery) |
| Output Type | - 2× OSSD (Output Signal Switching Device, PNP/NPN selectable via cable)
- Auxiliary Output: 50 mA max. |
| Power Supply | 24 V DC ±10% (ripple ≤10% p - p), 108 mA (transmitter), 85 mA (receiver) |
| Environmental Ratings | - IP65 certified
- Operating Temperature: - 10°C to +55°C
- Ambient Light Immunity: 5,000 lux (incandescent) or 20,000 lux (sunlight) |
| Mechanical Features | - Housing: Aluminum with zinc die - cast cases, polycarbonate/SUS304 front cover
- Dimensions: Transmitter (332 × 54 × 58 mm), Receiver (332 × 54 × 58 mm)
- Weight: 600 g (transmitter), 625 g (receiver) |
| Certifications | - IEC 61496 (Type 4), UL 508, SIL 3 (IEC 61508), PL e (ISO 13849)
- EMC: EN 55011 Class A, IEC 61496 - 1/2 |
| Mounting | Wall - mountable with adjustable brackets. |
| Input/Output Interfaces | - Inputs: EDM, Muting (2 channels), Reset, Override
- Outputs: Clear/Blocked status, Alarm, Muting Lamp control (supports 24 V DC lamps) |
| Unique Safety Features | - Self - diagnostic function
- Surge protection and reverse current protection |
| Applications | Machine guarding, robotic cell safety, press brake, stamping equipment, packaging machinery, material handling systems |
| Key Technical Specifications | - Optical Axis Spacing: 20 mm
- Light Source: Infrared LED (850 nm), Class 1 laser safety (IEC 60825 - 1)
- Cable Length: Up to 7 m (2.5 Ω max. wiring resistance) |
| Industry Compliance | UL 61496 - 1/2, CE Marked, SIL 3 certification. |
Packaging & Shipping
Company Information
Xiamen ZhiCheng Automation Technology Co., Ltdit is a leading global supplier of control system components. We specialize in control systems and drives.
more about us , u can view our official web:http://www.zcsensors.com/follow us :
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With many years of experience in the industrial sector, we consistently deliver the highest quality of spare parts.which make sure that all this jobs are perfectly.
we are major in PLC,Sensors,HIM,Transmitters.
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SL-V44H Keyence Inspection System 200mm ±0.1% IP67 High Precision Industrial Images
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