Product Description
The 3500/62-01-00 is a Dual-Channel Velocity Input Module from the Bently Nevada 3500 Monitoring System, a leading framework for machinery protection. The part number 136499-01 likely refers to a specific kit, revision, or accessory package for this module. This module is designed to accept input from velocity transducers (seismometers), which measure bearing housing or structure vibration. It conditions these signals and provides dedicated, programmable alarms (Alert and Danger) to protect machinery from damage due to excessive vibration. It is a key component for monitoring mechanical equipment where direct shaft measurement with proximity probes is not feasible.
Key Parameters and Specifications
The following table summarizes the key technical parameters for this model.
| Parameter | Specification / Value |
|---|---|
| Compatible System | Bently Nevada 3500 Rack System |
| Product Type | Dual-Channel VELOCITY Input Monitor Module |
| Channels | 2 (Two independent and isolated channels) |
| Input Sensor | Velocity Transducer (Typically 100 mV/in/sec or 100 mV/mm/sec sensitivity) |
| Input Signal | Vibration Velocity |
| Frequency Response | Typically 4.5 Hz to 1000 Hz (450 to 60,000 CPM) |
| Dynamic Range | 0 to 2.0 in/sec peak (0 to 50.8 mm/sec peak) - Typical |
| Alarm Setpoints | Two programmable levels per channel: Alert (Warning) and Danger (Shutdown) |
| Outputs | Buffered sensor input, dynamic vibration signals, and alarm relays. |
| Power Supply | Powered directly from the 3500 rack backplane. |
| LED Indicators | OK, Alert, Danger, Bypass, and Module Fault for each channel. |
| Operating Temperature | 0°C to 65°C (32°F to 149°F) |
| Dimensions & Weight | Dimensions: Standard 3500 module; ~ 221 mm (H) x 30 mm (W) x 195 mm (D) / ~ 8.7" x 1.2" x 7.7" Approx. Weight: 0.45 kg (1.0 lb) |
Application Scenarios
This module is used for machinery protection in applications where the vibration of the machine casing or structure is the primary indicator of mechanical health, rather than the shaft itself.
Power Generation: Monitoring steam turbine and gas turbine bearing housings, as well as auxiliary equipment like pumps and fans.
Oil & Gas: Protecting low-speed or large rotating equipment such as reciprocating compressors, large cooling tower fans, and some types of pumps where shaft access is not available.
Water & Wastewater: Monitoring pumps and motors in treatment facilities to detect imbalance or bearing issues.
Heavy Industry & Manufacturing: Vibration monitoring of gearboxes, large motors, conveyors, and other structural-vibration-critical machinery in industries like mining, pulp and paper, and metals.
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