990-05-50-03-CN Vibration Transmitter - Bently Nevada

Bently Nevada 990-05-50-03-CN Vibration Transmitter

Key Technical Specifications

• Brand & Model: Bently Nevada 990-05-50-03-CN
• Full-Scale Range: 0 to 5 mils peak-to-peak (0 to 125 μm pp).
• Frequency Response: 5 Hz to 6,000 Hz (+0, -3 dB).
• System Cable Length: Supports up to 5.0 meters (16.4 feet).
• Loop Accuracy: Within ±1.5% over the full-scale range.
• Power Supply: Requires +12 to +35 Vdc input.
• Signal Output: 4 to 20 mA dc in a two-wire configuration.
• Current Limiting: 23 mA typical for protection.
• Maximum Loop Resistance: 1,000 Ω at 35 Vdc.
• Mounting: Uses convenient DIN clips and screws.

Installation & Operation Details

• Sensor Input: Accepts one 3300 NSv Proximity Probe with an extension cable.
• Probe Gap: Install the probe 0.5 to 1.75 mm (20 to 55 mils) from the target.
• Minimum Target: Requires a minimum target size of 9.5 mm (0.375 in) diameter.
• Adjustments: Features non-interacting external zero and span adjustments.
• NOT OK Response: Output drops below 3.6 mA within 100 µs during a fault.
• Hazardous Areas: Suitable for use in Non-Hazardous, Zone 2, or Division 2 locations.
• Weight: 0.43 kg (0.9 lbm) for easy handling.

Frequently Asked Questions (FAQ)

• What is the output signal of this transmitter?
  The 990-05-50-03-CN provides a standard 4-20 mA two-wire output signal.
• What probe is compatible with this unit?
  It is designed to work with one Bently Nevada 3300 NSv series proximity probe.
• What is the required power supply?
  You need a +12 to +35 Vdc power source connected to the transmitter terminals.
• What is the measurement range in metric units?
  The full-scale vibration range is 0 to 125 micrometers peak-to-peak.
• Is this device safe for hazardous locations?
  Yes, it carries approvals for use in Zone 2 / Division 2 hazardous areas.