LR-ZB250AP Keyence Self-Contained CMOS Laser Sensor

The Keyence LR-ZB250AP is a distance-based CMOS laser sensor designed for precise object detection in extreme industrial environments. Housed in a rugged SUS316L stainless steel enclosure, this compact sensor delivers stable performance with a Class 1 red laser, selectable response times, and PNP output. With IP68/IP69K, NEMA 4X/6P/13 ratings, it’s ideal for wet or washdown environments in automation, food processing, and packaging.

Technical Specifications

Model: LRZB250AP
Type: Distance-Based CMOS Laser Sensor
Shape: Rectangular
Output Type: PNP
Cable: 2 m Integrated
Weight: Approx. 110 g (incl. cable)

Optical & Detection Specifications

• Detection Range: 35 to 250 mm
• Standard Detectable Deviation:
  • 35–180 mm: 9 mm
  • 180–250 mm: 25 mm
• Spot Diameter: Approx. 2.4 × 1.2 mm at 250 mm
• Display Resolution: 1 to 3 mm
• Light Source: Red Laser (660 nm)
• Laser Class: Class 1 (IEC 60825-1 / FDA CDRH Part 1040.10)

Timer & Response Time

• Selectable Response Times:
  • 1.5 ms
  • 10 ms
  • 50 ms
• Timer Functions:
  • OFF Delay
  • ON Delay
  • One-Shot

I/O & Output Options

• Control Output:
  • PNP Open Collector
  • Max: 30 VDC, 100 mA
  • Residual Voltage:
    • ≤1.2 V (at ≤10 mA)
    • ≤2.0 V (at 10–100 mA)
• Output Operation: Light-ON / Dark-ON Selectable
• Protection Functions:
  • Reverse Power Protection
  • Output Overcurrent Protection
  • Output Surge Protection
  • Reverse Output Connection

External Input Specifications

• Input Time Calibration:
  • ON: ≥35 ms
  • OFF: ≥35 ms
• Laser Emission Stop:
  • ON: ≥2 ms
  • OFF: ≥20 ms
• Short-Circuit Current:
  • NPN: ≤1 mA
  • PNP: ≤2 mA

Power & Electrical Specs

• Power Supply: 10–30 VDC (Ripple ≤10%, Class 2 or LPS)
• Power Consumption:
  • ≤450 mW
  • ≤18 mA at 24 VDC
  • ≤34 mA at 12 VDC

Display & Indicators

• Digital Display: 3-Digit 7-Segment Red LED
• Status Indicators:
  • Output Indicator (Yellow)
  • DATUM Indicator (Orange)
  • Spot Indicator (Green)

Environmental Resistance

• Enclosure Rating:
  • IP68 / IP69K (IEC 60529 / DIN 40050-9)
  • NEMA 4X / 6P / 13
  • ECOLAB & Diversey Certified
• Ambient Light Resistance:
  • Incandescent: ≤2,000 lux
  • Sunlight: ≤4,000 lux
• Operating Temperature: -10°C to +50°C
• Storage Temperature: -25°C to +75°C
• Humidity: 35% to 85% RH (No Condensation)
• Vibration Resistance: 10–55 Hz, 1.5 mm double amplitude, 2 hrs per axis
• Shock Resistance: 1,000 m/s², 6 shocks per axis
• Withstand Voltage: 1,000 VAC, 1 min

Material & Construction

• Housing: SUS316L Stainless Steel
• Display Cover: PES
• Lens Cover: PMMA (Scratch-Resistant)
• Seals: FKM
• Included Accessories: Instruction Manual, FDA Certification Label

Key Features & Benefits

✅ Wide Detectable Range: 35 to 250 mm with precise resolution.

✅ Compact & Durable: SUS316L stainless steel body with IP68/IP69K rating.

✅ Fast & Flexible Response: Selectable response times (1.5 ms to 50 ms) for different applications.

✅ Reliable Output & Protection: PNP open collector output with built-in surge and overcurrent protection.

✅ Industrial-Grade Performance: Withstands extreme temperatures, shock, and vibration.

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