Description
Bently Nevada 3500/92 Vibration Monitor
Series: 3500 Machinery Protection System
Part Number: 3500/92-01-00-00 (Standard Configuration)
Functional Overview
The 3500/92 is a 4-channel vibration monitor module designed for critical machinery protection, providing:
- Continuous monitoring of shaft relative vibration (via proximity probes)
- Instantaneous trip outputs with <2ms response time
- ISO 10816-3 compliant severity alarms
Key Specifications
| Parameter | Value |
|---|---|
| Input Channels | 4 (accepts 3300 XL 8mm probes) |
| Frequency Range | 0.5 Hz to 10 kHz (±3dB) |
| Dynamic Range | 200 µm p-p (0.5-1000 Hz) |
| Alarm Accuracy | ±1% of setting |
| Power Requirement | +15V/-15V DC @ 1.2A |
Monitoring Functions
1. Peak-to-Peak Vibration: - Range: 0-500µm (8V/mm sensitivity) - Alarm Thresholds: 2 programmable levels 2. Gap Voltage: - Monitoring range: -2V to -18V DC - Probe fault detection: <1V or >20V 3. Phase Reference: - 1X/2X tracking with Keyphasor® input - Accuracy: ±1° @ 3000 RPM
Physical Characteristics
- Dimensions: 318mm × 45mm × 223mm (H×W×D)
- Weight: 2.3 kg
- Mounting: 3500 Series rack (slot configurable)
- Connectors:
- Front: 9-pin D-sub for diagnostics
- Rear: 44-pin ribbon for system integration
Certifications & Compliance
- Safety: SIL 2 (IEC 61508)
- EMC: EN 61326-1 Class A
- Environmental:
- Operating Temp: -40°C to +70°C
- Humidity: 5-95% non-condensing
Bently Nevada 3500/92 Vibration Monitor PDF
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