Description
BENTLY 3500/20 125744-02 Vibration Monitoring Module
This 3500/20 125744-02 card serves as the backbone for vibration monitoring in critical rotating equipment. Used across oil & gas, power generation, and heavy manufacturing sectors, it provides continuous protection for turbines, compressors, and pumps. A recent client in a steel plant told me this module caught early bearing wear signs in their rolling mill, preventing $80k+ in potential downtime.
| Brand | Bently Nevada |
| Model | 3500/20 |
| Part Number | 125744-02 |
| Voltage | 24V DC nominal (18-32V range) |
| Dimensions | 155 x 100 x 25mm |

Engineered for harsh industrial environments, this module works alongside 3500/40M proximity probes and 3500/42M tachometer modules. Found in both new installations and retrofits, it’s particularly popular for legacy turbine protection systems where vibration monitoring accuracy within ±0.25% is required. The card’s dual-channel architecture allows simultaneous monitoring of radial vibration and shaft position.
As an authorized distributor with 8+ years’ experience handling Bently Nevada systems, we maintain genuine stock for immediate delivery. All units come with our 12-month warranty and technical support from engineers who’ve worked on actual plant installations. For current pricing or cross-referencing with older 3300 series systems, message me on WhatsApp or email 2645963284@qq.com.
Pro Tip: When replacing older 3500/20 cards, always verify firmware version compatibility with your existing 3500 rack. We’ve helped clients migrate from version 1.04 to current 2.xx releases without system downtime.









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