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The 3500/70M (Assembly Number 176449-09) is a specialized four-channel monitoring module designed for the Bently Nevada 3500 Machinery Protection System. This module is engineered to interface with velocity...
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The 3500/70M (Assembly Number 176449-09) is a specialized four-channel monitoring module designed for the Bently Nevada 3500 Machinery Protection System. This module is engineered to interface with velocity transducers to provide continuous monitoring of casing vibration and mechanical health. It translates raw seismic signals into peak or RMS velocity measurements, comparing these values against user-defined alarm setpoints to prevent machinery failure in pumps, fans, and motors.
| Specification | Details |
|---|---|
| Channel Capacity | 4 independent velocity input channels |
| Signal Conditioning | Integrated high-pass and low-pass filtering for signal clarity |
| Transducer Compatibility | Supports standard 2-wire and 3-wire velocity sensors |
| Internal Resolution | 24-bit A/D conversion for high-fidelity vibration analysis |
| Buffered Outputs | Front-panel BNC connectors for portable data collector access |
| Local Bus Power | Standard 3500 rack power supply interface |
| Dimensions | 2.6 cm x 25.6 cm x 24.4 cm |
| Net Weight | 0.85 kg |
| Operating Temperature | -30°C to +65°C |
The 176449-09 module is primarily used in balance-of-plant equipment where casing vibration is the primary indicator of mechanical stress. By monitoring the velocity of the machine housing, the 3500/70M can detect imbalances, misalignments, or structural looseness before they lead to catastrophic bearing or seal failures.
Q: Can the 176449-09 module also provide displacement data?
A: While primarily a velocity monitor, the 3500/70M can be configured to integrate the velocity signal to provide a displacement output (typically in mils or micrometers), depending on the specific firmware version and rack configuration.
