Bently Nevada | Two-wire Vibration Transmitter 990-05-70-01-CN

Technical Specifications for 990-05-70-01-CN

• Brand: Bently Nevada
• Model: 990-05-70-01-CN
• Product Type: 2-Wire Vibration Transmitter
• Country of Origin: U.S.A.
• Full-Scale Option: 0-5 mils (0-125 µm pp)
• System Length Option: 7.0 meters (23.0 feet)
• Mounting Option: 35 mm DIN rail clips
• Weight: 0.43 Kg
• Power Supply: 12-35 VDC
• Loop Resistance: Max 1,000 Ω
• Probe Gap: 0.5 – 1.75 mm (20 – 55 mils)
• Agency Approval: Country-specific (CN)
• Output Impedance: 10 kΩ, calibrated for 10 MΩ load
• Probe Input: 3300 NSv Proximity Probe
• Cable Length: Max 3 meters (10 feet) for Proximitor sensor output

Applications

This 2-wire vibration transmitter is commonly used in industries where precise vibration measurement is crucial, including:

• Power Generation: Ensuring safe and efficient operation of turbines and generators.
• Oil & Gas: Monitoring machinery in challenging, hazardous environments.
• Industrial Manufacturing: Vibration monitoring of pumps, motors, and compressors to prevent mechanical failures.
• Automotive & Aerospace: Ensuring the reliability of machinery in high-performance environments.

FAQ

Q1: What is the operating temperature range of the Bently Nevada 990-05-70-01-CN Vibration Transmitter?
A1: The device operates within a temperature range from 0°C to +70°C (+32°F to +158°F) with ±10% stability of the incremental scale factor.

Q2: What is the minimum target size required for this vibration transmitter?
A2: The minimum target size required is 9.5 mm (0.375 inches) diameter.

Q3: What is the maximum loop resistance for this device?
A3: The maximum loop resistance is 1,000 Ω, including cable, at 35 VDC.

Q4: How does the device handle “Not OK” conditions?
A4: The signal output will fall below 3.6 mA within 100 µs of a “Not OK” condition and will restore to normal within 2-3 seconds once the issue is resolved.

Q5: Can the Bently Nevada 990-05-70-01-CN be used in hazardous locations?
A5: Yes, the device is suitable for use in non-hazardous, Zone 2 or Div 2 hazardous areas.

For more detailed information:990 Vibration Transmitter Datasheet