84661-20_BENTLY_PRODUCT_吉林易择科技技术发展有限公司

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

Grace +86 13600179521

DESCRIBE

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

SERVICE HOTLINE Grace +86 13600179521

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