84661-20 - BENTLY - Products - Easy Semiconductor Technology (Hong Kong) Limited 易擇半導體科技(香港)有限公司

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The vast blue oceans of the Earth are the cradle of life and a crucial foundation for human sustainable development. Easy Semiconductor Technology (Hong Kong) Limited has always adhered to the concept of environmental protection and actively engaged in marine environmental protection initiatives. To assist marine

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Become part of our mission to advance intelligent manufacturing. We provide a platform where professional growth aligns with sustainable impact. Beyond a rewarding career, our unique program for controller recycling and education extends the value of technology while cultivating future talent. Together, we can ensure that technological progress and environmental stewardship grow hand in hand.

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84661-20

Bently Nevada 84661-20
Magnetic Speed Sensor (MPU)

Key Features:
• Variable Reluctance Operation
• 1-30V RMS Output (Speed Dependent)
• 10Hz-15kHz Frequency Range

Installation Specs:
✓ 0.25-2.5mm Air Gap
✓ Requires ≥60 Gear Teeth
✓ 5m Integral Cable

Environmental:

-40°C to +120°C

20g Vibration Rated

Certifications:
• API 670 Annex K
• ATEX Zone 2

Applications:

Turbine Speed Monitoring

Gear Tooth Counting

Overspeed Protection

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Bently Nevada 84661-20
Magnetic Speed Sensor (MPU)

Key Specifications:
• Operating Principle: Variable Reluctance
• Target Requirements: Ferrous gear teeth (≥60 teeth)
• Air Gap Range: 0.25-2.5mm (0.01-0.1")

Electrical Characteristics:
✓ Output Signal: AC voltage (sine wave)
✓ Voltage Range: 1-30V RMS (speed dependent)
✓ Frequency Range: 10Hz-15kHz
✓ Sensitivity: 20mV/mil/s (typical)

Mechanical Configuration:

Housing: 316 Stainless Steel

Thread Size: 1/2"-20 UNF

Cable: 5m Integral High-Temp Cable

Connector: MIL-C-5015

Environmental Ratings:

Operating Temp: -40°C to +120°C

Vibration Resistance: 20g (10Hz-2kHz)

Shock Survival: 100g (11ms)

Certifications:
• API 670 5th Ed. (Annex K)
• ATEX/IECEx Zone 2
• DNV-GL Marine Approved

Typical Applications:

Turbine Speed Monitoring

Gearbox Tooth Count Verification

Overspeed Protection Systems