Bently Nevada | 990-05-50-02-CN Vibration Transmitter

The Bently Nevada 990-05-50-02-CN vibration transmitter

Key Technical Specifications

• Brand & Model: This unit is part of the trusted Bently Nevada 990 series.
• Full-Scale Range: The device measures from 0 to 5 mils peak-to-peak (0-125 μm pp).
• Frequency Response: It captures a broad frequency range from 5 Hz to 6,000 Hz.
• Signal Output: The transmitter provides a standard 4 to 20 mA dc two-wire output.
• Loop Accuracy: Output accuracy remains within ±1.5% over the full-scale range.
• Power Supply: It operates on a +12 to +35 Vdc input.
• Maximum Loop Resistance: Supports up to 1,000 Ω at 35 Vdc, including cable.

Installation & Setup Guidelines

• Probe Requirements: You must use one 3300 NSv non-contacting proximity probe.
• Target Gap: Set the probe gap between 0.5 and 1.75 mm (20-55 mils) from the target.
• Minimum Target: Ensure the target diameter is at least 9.5 mm (0.375 inches).
• Mounting: This unit uses a bulkhead screw mounting (Option 02) for secure installation.
• Cable Length: Keep the cable from the probe to the BNC connector under 3 meters (10 feet).

Environmental & Operational Features

• Hazardous Areas: The 990-05-50-02-CN carries country-specific approvals (Option CN) for use in Non-Hazardous and Zone 2/Div 2 areas.
• Diagnostics: The NOT OK circuit forces the output to less than 3.6 mA within 100 µs if a fault occurs.
• Adjustments: It offers convenient, non-interacting zero and span adjustments.
• System Length: The system length option for this model is 5.0 meters.

Frequently Asked Questions (FAQ)

• Q: What probe is compatible with this transmitter?
  A: The 990-05-50-02-CN is designed to accept one Bently Nevada 3300 NSv series proximity probe.
• Q: What is the output signal and its accuracy?
  A: It provides a 4-20 mA signal with an accuracy of ±1.5% over the 0-5 mils range.
• Q: Can I use this in hazardous locations?
  A: Yes, this specific model includes approvals for use in Zone 2 or Division 2 hazardous areas.
• Q: What power supply does it need?
  A: It requires a +12 to +35 Vdc power source at the transmitter terminals.
• Q: What is your return policy?
  A: We support a 30-day return policy for items in original condition.

For complete details, download the full 990 datasheet here.

Contact Information Inquiries: sales@nex-auto.com | +86 153 9242 9628

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