Keyence LR-ZB250CP Self-Contained CMOS Laser Sensor

The LR-ZB250CP from Keyence is a rugged distance-based laser sensor engineered for precision detection in demanding industrial environments. With a compact rectangular form, Class 1 red laser, and robust IP69K stainless steel housing, it ensures accurate, safe, and long-lasting performance in applications ranging from food processing to general automation.

Technical Specifications

Model: LRZB250CP
Type: Distance-Based Laser Sensor (Self-Contained)
Series: LR-Z Series
Manufacturer: Keyence
Appearance: Rectangular
Output Type: PNP
Connection: M8 Connector, 4-pin

Detection Capabilities

Detectable Range: 35 to 250 mm

Standard Deviation:

• ±9 mm (35–180 mm)
• ±25 mm (180–250 mm)

Display Resolution: 1–3 mm
Spot Size: Approx. 2.4 × 1.2 mm at 250 mm

Light Source: Red Laser (660 nm)
Laser Classification: Class 1 (IEC60825-1, FDA CDRH Part 1040.10)

Functionality & Indicators

Response Time (Selectable): 1.5 ms / 10 ms / 50 ms

Indicators:

• Red 3-digit 7-segment display
• Output (Yellow), DATUM (Orange), Spot (Green)

Timer Modes: OFF delay, ON delay, One-shot

Power & Output

Operating Voltage: 10–30 VDC (≤10% ripple, Class 2 or LPS)

Power Consumption:

• ≤450 mW
• 18 mA max at 24 V
• 34 mA max at 12 V

Control Output:

• PNP Open Collector
• Max Voltage: 30 VDC
• Max Current: 100 mA
• Residual Voltage: ≤1.2 V (≤10 mA), ≤2 V (10–100 mA)

Selectable Operation: Light-ON / Dark-ON

External Input

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

Protection Features

• Reverse power connection protection
• Output overcurrent protection
• Output surge protection
• Reverse output connection protection

Environmental Resistance

Enclosure Ratings:

• IP68 (IEC60529)
• IP69K (DIN40050-9)
• NEMA 4X, 6P, 13 (NEMA250)
• 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 Range: 35% to 85% RH (No condensation)

Vibration Resistance: 10–55 Hz, 1.5 mm amplitude, 2 hrs/axis
Shock Resistance: 1,000 m/s², 6 times/axis

Withstand Voltage: 1,000 VAC, 1 minute

Material & Construction

• Case: SUS316L Stainless Steel
• Display: PES
• Lens Cover: PMMA (Scratch-Resistant)
• Packing/Connector Ring: FKM

Weight: Approx. 55 g

Included Items: Instruction Manual, FDA Certification/Label

Key Features & Benefits:

✅ Wide Detection Range: Detects objects from 35 to 250 mm with high precision.

✅ High-Precision Laser Sensing: Provides ±9 mm deviation for closer distances and ±25 mm for extended ranges.

✅ Class 1 Safe Laser: Meets IEC and FDA safety standards for safe industrial operation.

✅ Multiple Response Time Options: Selectable speeds (1.5 ms, 10 ms, 50 ms) to match application needs.

✅ Robust & Waterproof: IP68/IP69K-rated stainless steel housing for resistance to dust, water, and cleaning agents.

✅ Versatile Output Configuration: PNP open collector with light-ON/dark-ON selectable operation.

✅ Easy Installation & Setup: Features a bright 3-digit LED display and intuitive calibration.

✅ Chemical & High-Temperature Resistant: Certified for use with ECOLAB and Diversey cleaning agents.

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