2-Wire Vibration Transmitter Bently Nevada 990-08-70-01-CN

Bently Nevada 990 Country-Specific Approved Transmitter

Technical Specifications & Model Code

• Brand: Bently Nevada
• Model: 990-08-70-01-CN
• Measurement Range: 0 to 8 mils peak-to-peak (0 to 200 µm pp)
• Frequency Response: 5 Hz to 6,000 Hz (max -3 dB loss)
• Output Signal: 4 to 20 mA DC, two-wire setup
• Power Supply: +12 to +35 V DC (Use 28 V DC for hazardous areas)
• Accuracy: ±1.5% of full-scale range
• Max Loop Resistance: 1,000 Ω at 35 V DC
• Weight: 0.43 kg (0.9 lb)

Model Suffix Details

• 990: Core Vibration Transmitter Series
• 08: Measures 0-8 mils peak-to-peak full scale
• 70: System cable length of 7.0 meters (23.0 feet)
• 01: Mounting with 35 mm DIN rail clips
• CN: Includes country-specific safety approvals

Installation & Setup Instructions

• Snap the transmitter onto a standard 35 mm DIN rail using the integrated clips.
• Connect one 3300 NSv proximity probe and a compatible extension cable.
• Adjust the probe gap to between 0.5 mm and 1.75 mm (20-55 mils) from the target shaft.
• Apply a clean +12 to +35 V DC power source to the designated terminals.
• For hazardous area use, ensure the power supply does not exceed 28 V DC.

Key Features & System Integration

• Country-specific CN approvals ensure local regulatory compliance.
• Tool-less DIN rail mounting allows for extremely fast installation.
• The standard 4-20mA output interfaces with any modern control system.
• Wide power input range offers flexibility in different plant environments.
• This Bently Nevada device is fully compatible with the 3300 NSv probe series.

Frequently Asked Questions (FAQ)

• What does the "CN" suffix mean in the model number?
  The CN suffix indicates the transmitter carries specific safety certifications for use in certain countries, ensuring local market compliance.
• Is this unit suitable for hazardous areas?
  Yes, the 990-08-70-01-CN is approved for use in Non-Hazardous, Zone 2, or Division 2 areas when powered correctly.
• Why is 28 Vdc specified for hazardous areas?
  Using a lower voltage (28V DC max) in hazardous locations is a common safety requirement to limit potential ignition energy.
• Do you have the certification documents for this model?
  Yes, certification details are available. Please contact our sales team for specific documentation requests.
• How do I mount it if I don't have a DIN rail?
  The -01 variant is designed for DIN rail clips only. For screw mounting, please inquire about the -02 or -03 suffix models.

For full certification lists, detailed wiring guides, and environmental limits, access the complete technical file.
Download 990 Vibration Transmitter Datasheet PDF

Contact Information Inquiries: sales@nex-auto.com , +86 153 9242 9628
Partner: NexAuto Technology Limited