Bently Nevada 128240-01 | Prox/Seismic I/O Module

Product: 128240-01 Prox/Seismic I/O Module

Input Specifications:

• Signal Types: Accepts 1 to 4 signals from proximity, velocity, or acceleration transducers.
• Power Consumption: 7.7 watts, typical.
• Input Impedance: 10 kΩ for Proximitor and acceleration inputs.

Sensitivity Levels:

• Radial Vibration: 3.94 mV/μm (100 mV/mil) or 7.87 mV/μm (200 mV/mil).
• Thrust Position: Same as radial vibration.
• Eccentricity: Same as radial vibration.
• Differential Expansion: 0.394 mV/μm (10 mV/mil) or 0.787 mV/μm (20 mV/mil).
• REBAM: 40 mV/μm (1000 mV/mil) or 80 mV/μm (2000 mV/mil).
• Acceleration: 10 mV/(m/s²) (100 mV/g).
• Velocity: Ranges from 20 mV/(mm/s) peak (500 mV/(in/s) peak) to 4 mV/(mm/s) peak (100 mV/(in/s) peak).

Output Specifications:

• Transducer Outputs: Coaxial connector per channel, short-circuit protected.
• Output Impedance: 550 Ω.
• Transducer Power Supply: -24 Vdc.
• Recorder Output: +4 to +20 mA, proportional to monitor full-scale.
• Voltage Compliance (current output): 0 to +12 Vdc range across load.
• Load Resistance: 0 to 600 Ω.

Signal Conditioning:

• Accuracy: ±0.33% of full-scale typical, ±1% maximum.
• Frequency Response (Direct filter): Adjustable from 4 Hz to 4000 Hz or 1 Hz to 600 Hz.
• Not 1X Filter: 60 cpm to 15.8 times running speed.

Physical Specifications:

• Monitor Module Dimensions: 241.3 mm x 24.4 mm x 241.8 mm (9.50 in x 0.96 in x 9.52 in).
• Weight: 0.34 kg (2.0 lb).