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Help CenterBently 3500/42M Displacement/velocity Acceleration Monitoring IN STOCK
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Shenzhen Changxin automation equipment Co., Ltd
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Contact Name: Anne
Whatsapp: +86 13328779317
Email：cxdcs@foxmail.com
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Bently Nevada 3500/42M Product Description
3500/42M is a four-channel speed-type vibration monitoring module of the Bently 3500 series TSI system, used to receive signals from magnetic-electric, piezoelectric speed sensors or acceleration sensors. It is mainly used to monitor the absolute vibration of bearing housings and the vibration of the machine shell. It can measure the amplitude of normal frequency vibration and filtered amplitude, supports two-level alarm settings, can be linked with relay modules to achieve safe interlock shutdown of the equipment, can output buffer signals for on-site calibration and fault diagnosis, supports hot-swappable rack, complies with API670 rotating machinery protection specifications, and is often used in combination with the 3500/40M eddy current displacement module.
Key Technical Parameters
Model: 3500/42M, Common hardware part number: 135489-01
Channel configuration: 4 independent vibration signal inputs
Supported sensor types: Speed sensors, acceleration sensors (with built-in integration function that can be converted to speed measurement)
Measurement range: 0 - 1000 μm/s (peak-to-peak), can be software-defined range
Frequency response: 1 - 10 kHz (-3dB)
Measurement accuracy: Full scale ±1% FS
Sensitivity options: 20mV/(mm/s), 100mV/(inch/s), etc. various sensor compatible gears
Alarm settings: Each channel independent warning (Alert), danger (Danger) two-level alarm, supports alarm delay shielding
Panel configuration: Each channel BNC buffered signal output, OK, fault, bypass, channel alarm LED indicators
Power supply method: Powered by the back panel of the 3500 rack, typical power consumption 7W
Operating environment temperature: -30℃ to +65℃, storage temperature: -40℃ to +85℃
Relative humidity: 5% to 95% RH, no condensation
Protection level: IP20, semi-high slot installation, supports online non-stop hot-swappable
Certifications: CE, UL, API670, SIL safety-related industrial certifications
Product Performance
Built-in integration operation function, can directly connect to acceleration sensors, automatically convert into vibration velocity values, without the need for external integration preamplifier, more flexible on-site wiring and equipment selection.
Supports narrowband filtering function, can extract 1x frequency and 2x frequency vibration components, used for fault analysis and diagnosis of bearing faults, rotor imbalance, misalignment, etc.
Has self-check function for sensor breakage and signal over-limit faults, triggers fault alarm immediately when sensor circuit is abnormal, preventing protection from malfunction or false operation.
Each channel is equipped with BNC buffered output interface, can be externally connected to oscilloscopes, data acquisition instruments, convenient for on-site circuit calibration, vibration waveform capture and accident traceability analysis.
Supports channel bypass function, when conducting single-channel maintenance, can temporarily shield the alarm of this channel, without affecting the normal monitoring and interlock protection of the other three channels.
Monitoring data can be uploaded to DCS, SIS and System 1 status monitoring software through the rack communication module, achieving vibration trend analysis, fault warning, historical data storage.
Can be combined with the 3500/34 TMR triple redundant relay module to achieve ETS emergency trip protection for bearing seat vibration exceeding limits.
Application Domains
Power plants, gas-fired, hydropower plants: Steam turbine generator sets, water turbine generator sets, bearing housings of steam turbine generator sets for online monitoring and safety protection
Petroleum chemical industry: Large centrifugal compressors, axial flow fans, steam turbines, expansion machines, machine shell vibration monitoring
Metallurgical industry: Blast furnace blowers, self-owned power plant steam turbine sets, large rolling mill drive equipment bearing vibration monitoring
Air separation, coal chemical plants: Multi-stage compression units, large pump sets, hot blast stoves of waste heat boilers, vibration safety interlock
Fault Warning and Shutdown Protection for Key Rotating Machinery in Combined Heat and Power Plants and Waste Incineration Stations
List of Matching Models of the Same Series
3500/40M: Four-channel eddy current sensor module, used for shaft vibration, axial displacement, and differential expansion measurement
3500/45: 8-channel RTD temperature monitoring module, monitoring bearing and winding temperatures
3500/25: Dual-channel phase-lock module, providing speed and phase reference signals
3500/32, 3500/33: Standard alarm relay output module
3500/34: TMR three-out-of-two safety relay module, used for ETS trip circuit
3500/92: Communication gateway module, enabling data interaction between TSI system and upper-level monitoring system
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