990 Vibration Transmitter New Bently Nevada - 990-04-70-02-05

Bently Nevada 990 Vibration Transmitter 990-04-70-02-05: Reliable Machinery Vibration Monitoring

Core Technical Specifications

• Brand & Model: This is the Bently Nevada 990-04-70-02-05 transmitter from the trusted 990 series.
• Measurement Range: The unit measures a 0-4 mils peak-to-peak (0-100 µm pp) vibration scale.
• Frequency Response: It detects vibrations within a broad 5 to 6,000 Hz range.
• Output & Accuracy: The device provides a standard 4-20 mA, 2-wire signal with ±1.5% full-scale accuracy.
• Power Supply: It operates on a 12-35 Vdc loop power, with 28 Vdc recommended for hazardous areas.
• Environmental Tolerance: This model holds approvals for CSA Division 2, ATEX Zones 0/2, and ABS maritime use.

Installation & Compatibility Details

• Sensor Compatibility: The transmitter works with one Bently Nevada 3300 NSv proximity probe.
• Cable Configuration: It supports an extension cable with a maximum of 3 meters (10 feet) from the BNC connector.
• Probe Gap Setting: For optimal performance, set the probe gap between 0.5 and 1.75 mm (20-55 mils).
• Target Requirements: The minimum target diameter for a clear signal is 9.5 mm (0.375 inches).
• Loop Resistance: The maximum loop resistance is 1,000 Ω at 35 Vdc, including cable resistance.

Key Operational Features

• Fault Protection: A built-in 23 mA current limit prevents damage from overloads.
• Diagnostic Response: The output drops below 3.6 mA within 100 µs if a system fault occurs.
• Recovery Time: After a fault clears, the system recovers its normal output within 2 to 3 seconds.
• Compact Design: Weighing only 0.43 kg (0.9 lbs), it installs easily in tight spaces.
• Connection Type: This specific 990-04-70-02-05 model comes with bulkhead screw connections.

Packaging & Shipping Information

• Each unit ships as brand new and in original factory packaging.
• We maintain stock of this Bently Nevada 990 series transmitter for prompt dispatch.
• We ship orders within 5 business days using reliable carriers like FedEx, UPS, or DHL.
• Our standard policy supports a 30-day return period for your convenience.

Frequently Asked Questions (FAQ)

• What is the measurement range of this transmitter?
  This model covers a 0 to 4 mils peak-to-peak (0 to 100 micrometers) full-scale range.
• What probe do I need to use with the 990 transmitter?
  You must use one Bently Nevada 3300 NSv series proximity probe for proper operation.
• Is this device safe for use in hazardous locations?
  Yes, the 990-04-70-02-05 holds CSA Division 2 and ATEX Zone 0/2 approvals for such areas.
• What is the output signal type?
  It provides a standard two-wire 4-20 mA analog output proportional to vibration.
• What is the required target size for the probe?
  The target must have a minimum diameter of 9.5 mm (0.375 inches) for accurate measurement.
• Do you have the product in stock?
  Yes, we stock the Bently Nevada 990 vibration transmitter and related accessories.

For further technical details, please refer to the product datasheet.

Contact Information for Inquiries: sales@nex-auto.com or call us at +86 153 9242 9628.

Partner: NexAuto Technology Limited