990-04-50-02-05 | Bently Nevada | Thrust Transmitter

Bently Nevada 990-04-50-02-05 990 Series Hazardous Area Vibration Transmitter

Specifications & Features

• Brand: Bently Nevada
• Model: 990-04-50-02-05
• Measurement Range: 0 to 4 mils pp (0 to 100 µm pp)
• Accuracy: ±1.5% of full scale over the entire range
• Output Signal: 4–20 mA, two-wire loop powered
• Temperature Range: -20 °C to +70 °C operating
• Unit Weight: 0.43 kg (0.9 lb)
• Power Supply: +12 to +35 V DC

Model Suffix Code Breakdown

• 04: Specifies the 0-4 mils peak-to-peak full-scale measurement range.
• 50: Indicates a 5.0-meter integral probe cable length.
• 02: Denotes a bulkhead screw mounting style.
• 05: Represents a comprehensive certification package including CSA Division 2, ATEX Zone 0 & 2, and ABS Marine approval.

Setup & Installation Guide

• Mount the transmitter securely using the provided bulkhead screws.
• Set the air gap for the connected 3300 NSv probe to 0.5–1.75 mm from the target surface.
• Connect the unit to a +12 to +35 V DC power supply and the 4-20 mA output loop.
• Ensure compatibility by using non-contacting 3300 NSv probes with extension cables up to 3 meters total.

Frequently Asked Questions (FAQ)

• Q: What does the "05" suffix mean in the model number?
  A: The "05" suffix indicates that this Bently Nevada 990 transmitter carries CSA Div 2, ATEX Zone 0/2, and ABS marine certifications.
• Q: What is the cable length for this model?
  A: Model 990 04 50 02 05 comes with a fixed, integral 5.0-meter (16.4 ft) cable, as shown by the "50" suffix.
• Q: How do I mount this transmitter?
  A: This version includes hardware for bulkhead mounting using screws, as indicated by the "02" suffix code.
• Q: What is the fault response time?
  A: The unit provides a very fast fault alert, with the output current dropping below 3.6 mA in less than 100 microseconds upon a fault detection.
• Q: What is your shipping and return policy?
  A: We ship via major carriers, process orders within 5 days, and offer a standard 30-day return policy for qualified items.

Access the complete manual with wiring diagrams and compliance certificates. Download the official 990 Vibration Transmitter Datasheet PDF here.

Contact: Email sales@nex-auto.com or call/WhatsApp +86 153 9242 9628 for immediate assistance.