Description
Product Summary
- Bently Nevada 135489-01 is a seismic monitor I/O module.
- Built for proximity and accelerometer signal handling.
- Supports four independent measurement channels.
- Internal barrier design improves system safety.
- Ideal for rotating machinery protection systems.
Design Highlights
- Internal terminations reduce wiring errors.
- Fast signal conditioning improves response speed.
- Compact width saves rack space.
- Clear LEDs simplify system checks.
Input Capability
- Accepts proximity probe signals.
- Accepts accelerometer sensor signals.
- Four-channel architecture increases data density.
- Stable excitation ensures sensor consistency.
Signal Processing Performance
- Direct filter range from 4 Hz to 4000 Hz.
- Alternate filter range from 1 Hz to 600 Hz.
- Low-frequency gap filter at 0.09 Hz.
- Accuracy remains stable across filter settings.
- Typical accuracy reaches ±0.33% full scale.
Output Functions
- Buffered transducer output on each channel.
- Coax connectors allow clean signal access.
- Output impedance rated at 550 ohms.
- Integrated transducer power at -24 Vdc.
Recorder Output Parameters
- Current output range from 4 to 20 mA.
- Signal level follows monitor full scale.
- Voltage compliance up to +12 Vdc.
- Load resistance supports 0 to 600 ohms.
- Resolution reaches 0.3662 microamp per bit.
Status Indication
- OK LED confirms normal operation.
- TX/RX LED shows communication activity.
- Bypass LED displays bypass condition.
Environmental Ratings
- Operating temperature from -30 °C to +65 °C.
- Storage temperature from -40 °C to +85 °C.
- Humidity tolerance up to 95 percent.
- Designed for non-condensing environments.
Compliance and Approvals
- Meets EN 61000-6-2 immunity standards.
- Meets EN 61000-6-4 emission standards.
- RoHS compliant per Directive 2011/65/EU.
- Approved for Class I Zone 2 locations.
- Certified for ATEX and IECEx Zone 2 use.
Mechanical Data
- Height 241.3 mm.
- Width 24.4 mm.
- Depth 163.1 mm.
- Net weight approximately 0.46 kg.
Typical Applications
- Steam and gas turbine monitoring.
- Compressor vibration supervision.
- Critical pump protection systems.
- Balance of plant machinery.
Service and Logistics
- 12-month warranty</span against manufacturing defects.
- Worldwide shipping via FedEx, UPS, and DHL.
- Industrial-grade packaging for safe transport.
Professional FAQ
- Is this module suitable for continuous operation?
- Yes, it is designed for 24/7 industrial use.
- Does it simplify commissioning work?
- Internal terminations reduce setup time.
- Can it improve fault diagnosis?
- Buffered outputs allow live signal checks.
- What should engineers verify before purchase?
- Confirm sensor type and channel requirements.
- Is this module future-proof?
- It supports modern compliance and safety needs.
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Partner:
Powergear X Automation Limited ,
Oiltech Controls Limited
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