The Bently Nevada 990-05-70-02-00 vibration transmitter is a two-wire, loop-powered device designed primarily for OEMs of centrifugal air compressors, small pumps, motors, and fans.It provides a simple 4 to 20 mA proportional vibration signal as input to the machinery control system.
Key Features
Integrated Proximitor Sensor:Eliminates the need for an external unit.
Non-isolated "PROX OUT" and "COM" terminals: Offers a dynamic vibration and gap voltage signal output for diagnostics.
Non-interacting zero and span potentiometers: Supports loop adjustment.
Test Input pin: Enables quick verification of loop signal output.
Not OK/Signal Defeat circuit: Prevents false alarms due to faulty probes.
DIN-rail clips or bulkhead mounting screws: Simplifies installation.
Technical Specifications
Power Supply: 12-40 VDC, 2-wire, loop-powered
Output Signal: 4-20 mA, proportional to vibration amplitude
Input Signal: From 3300 NSv proximity probe
Mounting:DIN-rail or bulkhead
Temperature Range: -20°C to +70°C
Humidity: 95% RH, non-condensing
Benefits
Simplicity: Easy to install and configure.
Reliability: Rugged design for harsh environments.
Accuracy: Precise vibration measurement.
Compatibility: Works with various machinery types.
Diagnostic Capabilities: Provides valuable information for troubleshooting.
Precautions
Proper Installation: Ensure correct wiring and mounting.
Environmental Considerations: Avoid exposure to excessive vibration, shock, or corrosive environments.
Calibration: Periodic calibration is recommended for optimal performance.
Applications
Centrifugal Air Compressors: Monitoring vibration levels to detect bearing wear and imbalance.
Small Pumps, Motors, and Fans: Early detection of mechanical faults.
OEM Integration: Providing vibration data for machine control systems.
Additional Information
Note: This is a general overview of the Bently Nevada 990-05-70-02-00 vibration transmitter. Specific requirements and applications may vary. Please consult the product datasheet and contact the manufacturer
for further information.
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