The Bently Nevada 3300/26 is a specialized dual accelerometer RMS monitor designed for industrial vibration monitoring applications. This unit provides reliable signal processing for accelerometers, converting raw vibration inputs into standard 4-20 mA output signals for integration into PLC, DCS, or SCADA control systems.
Features
Dual-channel monitoring capability for efficient space utilization in equipment racks.
Standard 4-20 mA proportional output for seamless compatibility with industrial control loops.
Frequency response characteristics optimized for broad-spectrum vibration analysis.
Robust construction intended for high-reliability monitoring environments.
Technical Specifications
Product Model
3300/26-XX-XX-XX-00-00-01-00
Function
Dual Accelerometer RMS Monitor
Sensitivity
100 mV/g (10 mV per m/s2)
Frequency Response (No Filter)
2.7 Hz to 90 kHz (-3 dB nominal)
Frequency Response (Integrated)
10 Hz to 90 kHz
Output Impedance
100 Ohm
Operating Temperature
0 degC to +65 degC (+32 degF to +150 degF)
Storage Temperature
-40 degC to +85 degC (-40 degF to +185 degF)
Relative Humidity
Up to 95%, non-condensing
Installation Guidelines
Ensure all power is disconnected before installing or removing the module from the 3300 rack system.
Maintain proper grounding practices to minimize electromagnetic interference (EMI) and noise in the signal path.
Use shielded twisted-pair cabling for sensor inputs to preserve signal integrity.
Verify that the module is fully seated in the rack backplane to ensure reliable communication and power distribution.
Operate within the specified environmental temperature and humidity ranges to maintain measurement accuracy and component longevity.
FAQ
What is the primary function of the 3300/26 module?
The 3300/26 acts as an interface between accelerometers and industrial control systems, performing RMS signal conversion to provide a 4-20 mA output proportional to the vibration level.
Can this module be used in high-temperature environments?
The specified operating temperature range is 0 degC to +65 degC. Ensure the cabinet or rack housing provides adequate ventilation or cooling if the ambient temperature exceeds these limits.
