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990-04-50-01-CN

Bently Nevada 990-04-50-01-CN
Dual-Channel Vibration Monitor (China Edition)

Key Features:
• CN-GB 3836 Explosion-Proof Option
• 0-1000μm Range with ±1% Accuracy
• 220V AC China Grid Power

China Adaptations:
✓ Dual CN/EN Interface
✓ Sinopec/PetroChina Configurations
✓ GB/T 13824 Certified

Applications:

Hydropower Turbine Monitoring

Refinery Compressors

High-Speed Rail Systems

Compliance:
• CNEX Zone 2
• China RoHS 2.0

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Bently Nevada 990-04-50-01-CN
China-Market Dual-Channel Vibration Monitor

Key Specifications:
• Input Configuration:

2x Proximity Probes (8mm/5mm, GB/T 13823 compliant)

1x Tach Input (CN-standard MPU)

Measurement Capabilities:
✓ Vibration Range: 0-1000μm pk-pk (0-40 mils)
✓ Frequency Response: 0.5Hz-10kHz (±1dB)
✓ Accuracy: ±1% of reading
✓ Phase Accuracy: ±1° @ >10Hz

China-Specific Features:

Dual CN/EN Interface

GB 3836-2010 Explosion-Proof Option

Sinopec/PetroChina Project Configuration

I/O Configuration:

Outputs:
• 4-20mA (Isolated)
• RS-485 Modbus RTU (CN-GB Protocol)
• USB 2.0 (Chinese Encryption)

Relays: 4x Alarm (5A @ 380VAC CN Standard)

Electrical Specifications:

Power Supply: 220V AC ±10% (China Grid)

Isolation: 2500V AC (Enhanced for CN Standards)

Environmental Ratings:

Operating Temp: -20°C to +60°C (Yangtze Climate)

Protection: IP42 (GB 4208)

EMC: GB/T 18268 Industrial Standard

Certifications:
• China RoHS 2.0
• CNEX (NEPSI) Zone 2
• GB/T 13824 Vibration Standard

Applications:

Three Gorges Hydro Units

Sinopec Refinery Compressors

High-Speed Rail Traction Motors