Product DescriptionTechnical Specifications
| Specification | Details |
|---|---|
| Model | 3500/40M 176449-01+125680-01 |
| Manufacturer | Bently Nevada (GE) |
| Module Type | Proximitor Monitor Module |
| Signal Inputs | 1–4 Proximitor transducers |
| Power Consumption | 7.7 Watts typical |
| Input Impedance | 10 kΩ (Proximitor & acceleration inputs) |
| Transducer Sensitivity | Radial, Thrust, Eccentricity: 3.94–7.87 mV/μm |
| Differential Expansion | 0.394–0.787 mV/μm |
| REBAM Sensitivity | 40–80 mV/μm |
| Buffered Outputs | Coaxial connectors, 550 Ω impedance |
| Transducer Power | -24 Vdc |
| Frequency Response | Direct 4 Hz–4 kHz or 1–600 Hz, Gap 0.09–0.41 Hz, Spike 0.152–8678 Hz |
| Accuracy (Direct & Gap) | ±0.33% typical, ±1% max |
| Accuracy (1X/2X) | ±0.33% typical, ±1% max |
| REBAM Accuracy | ±5% maximum |
| Thrust/Differential Accuracy | ±0.33% typical, ±1% max |
| Eccentricity Accuracy | ±0.33% typical, ±1% max |
| Front Panel LEDs | OK, TX/RX, Bypass |
| Operating Temperature | -30°C to +65°C |
| Compliance | CSA/NRTL/C Class 1, Div 2 |
FAQ
Q1: How many proximity inputs does this module support?
A1: The 3500/40M 176449-01+125680-01 supports up to four Proximitor transducer signals simultaneously.
Q2: What is the typical power consumption?
A2: The module consumes 7.7 Watts under normal operating conditions.
Q3: What transducer power does the module provide?
A3: It provides -24 Vdc with short-circuit protected coaxial outputs.
Q4: What is the frequency range of the Direct filter?
A4: The Direct filter is user-programmable between 4–4000 Hz or 1–600 Hz.
Q5: What accuracy does the module offer for radial vibration?
A5: Radial vibration accuracy is ±0.33% typical and ±1% maximum full-scale.