SK-050 Keyence In-Line Type Sensor Head | SK Series Charge & Ion Meter

Core Product Architecture

The SK-050 is an advanced in-line electrostatic sensor head engineered by Keyence within the specialized SK series. It provides dual-mode charge potential monitoring alongside ambient temperature and humidity tracking. Global PLC Spare HUB's Insight emphasizes that deploying electrostatic sensors directly above critical web paths allows engineers to intercept static accumulation before electrostatic discharge damages sensitive electronic microcircuits.

Comprehensive Technical Breakdown

• Manufacturer / Brand: Keyence
• Model & Series: SK-050 (SK Series In-Line Type Sensor Head)
• Operating Modes: High-precision mode and wide-range mode
• Reference & Measuring Distance: High-precision mode covers 5 to 50 mm (reference at 25 mm); wide-range mode covers 60 to 120 mm (reference at 100 mm)
• Potential Measuring Range: ±2 kV (high-precision) up to ±50 kV (wide-range)
• Potential Measuring Accuracy: ±10 V (high-precision); ±100 V (wide-range)
• Sampling Cycle: Approx. 1.4 ms for static potential; 1 s for environmental metrics
• Environmental Metrics: Temperature range of 0 to 50°C (±1°C accuracy); relative humidity of 10 to 85% RH (±5% RH accuracy)
• Ion Balance Capability: Measuring range of ±1 kV with ±10 V accuracy and 1 V display resolution
• Physical Build: PC body case, SUS metal parts, and PVC cable weighing approx. 35 g

Installation and Mechanical Guidelines

• Position the sensor head strictly within the defined 5 to 50 mm or 60 to 120 mm envelope depending on target voltage intensity.
• Secure the lightweight 35 g unit using vibration-damped mounting brackets to eliminate structural sway.
• Route the flexible PVC cable safely away from high-voltage power lines to prevent electromagnetic induction noise.
• Verify that ambient shop floor conditions remain free of liquid water condensation to protect internal optics.

Commissioning and Maintenance Protocol

• Perform initial zero-adjustment calibration under uncharged baseline conditions using the main controller interface.
• Inspect the optical aperture periodically for dust films that could attenuate incoming electrostatic field readings.
• Clean sensor windows gently with isopropyl alcohol wipes if airborne particulate accumulation causes signal drift.

System Compatibility and Compliance

• Designed for direct hardware integration with Keyence modular static elimination controller platforms.
• Constructed from industrial-grade polycarbonate and stainless steel components for chemical durability.
• Complies with standard electrical safety limits for low-voltage industrial instrumentation enclosures.

Package Contents and Warranty Policy

• One SK-050 electrostatic sensor head unit
• Integrated PVC connecting cable
• Comprehensive 12-month replacement warranty backed by Global PLC Spare HUB

Global Logistics and Shipping Terms

• Rigid protective packaging ensures safe international delivery for delicate instrumentation.
• Express global dispatch handled via trusted couriers including FedEx, UPS, and DHL.
• Guaranteed order processing and shipment turnaround within 24 to 48 hours.

Target Equipment, Applications, and Diagnostics

• Target Equipment: Semiconductor wafer handlers, film converting lines, high-speed printers, and electronic assembly conveyors.
• Applications: Real-time surface static monitoring, ionizer performance verification, and cleanroom environmental tracking.
• Diagnostic Capabilities: Detects sudden static spikes and ion imbalance trends instantly, giving engineers actionable data to prevent ESD component failure.

Selection Guidelines and Expert Advice

• Select the high-precision mode configuration when monitoring delicate semiconductor surfaces requiring tight ±10 V accuracy thresholds.
• Opt for wide-range placement if your process handles heavy web charging up to ±50 kV on high-speed plastic film lines.
• Account for local ambient humidity fluctuations since extreme dry air shifts static generation rates drastically.

Frequently Asked Questions (FAQ)

Q: What is the primary operational difference between the high-precision and wide-range modes on the SK-050?

A: High-precision mode operates at closer distances (5 to 50 mm) to capture micro-voltages up to ±2 kV, whereas wide-range mode extends distances up to 120 mm to measure heavy charges reaching ±50 kV.

Q: How does the integrated temperature and humidity tracking assist line engineers?

A: It correlates environmental shifts with static build-up trends, helping technicians identify when dry shop floor air is amplifying electrostatic risks.

Q: What field troubleshooting steps should I take if potential readings become erratic?

A: Field experience indicates that erratic signals usually stem from contaminated sensor windows or grounding loops on the PVC cable shield; inspect both elements first.

Q: Can this sensor evaluate neutralizing performance from standalone static eliminators?

A: Yes. The dedicated ion balance measuring mode checks residual offset voltages down to ±1 kV to verify bar performance.

Q: How should I choose the mounting standoff distance for optimal data capture?

A: Reference distances of 25 mm for precision mode and 100 mm for wide-range mode provide the most linear response curves according to calibration standards.

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