Description
Product Core Brief
- Model: 79492-01
- Brand: BENTLY NEVADA
- Series: 3300 Proximitor System
- Core Function: Conditions eddy current proximity probe signals for vibration and displacement monitoring.
- Product Type: Proximitor Signal Conditioner Module
- Key Specs: 3300/35 Assembly | Proximity Probe Input | Analog Output
- Condition: New Original (New Surplus)
BENTLY 79492-01
Product Introduction
BENTLY 79492-01 is a proximitor signal conditioner module designed for the 3300/35 system. It accepts inputs from eddy current proximity probes and converts raw sensor signals into standardized outputs for monitoring systems.
This module is commonly paired with 3300 series sensors to provide vibration and displacement measurements. The 3300/35+79492-01 assembly integrates the signal conditioning electronics directly with the probe interface for simplified installation.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Module Type | Proximitor Signal Conditioner |
| Part Number | 79492-01 |
| System Compatibility | 3300/35 |
| Input Sensor Type | Eddy Current Proximity Probe |
| Output Signal | Analog (Proportional to Gap/Vibration) |
| Typical Application | Radial Vibration, Axial Displacement |
| Compliance | API 670 |
Quality Control Process (Engineer’s Perspective)
- Incoming Verification: We check source traceability and verify serial numbers against anti-counterfeit databases. Visual inspection confirms no physical damage or connector corrosion.
- Live Functional Test: Power-on self-checks validate basic operation. We run continuous load tests exceeding 24 hours with temperature logging to ensure stability.
- Electrical Parameter Test: Insulation resistance is verified using a 500 V Megger, requiring >10 MΩ. Ground continuity is also strictly checked.
- Firmware Verification: We read and record internal firmware versions. DIP switch and jumper settings are photographed for future reference.
- Final QC & Packaging: The unit is sealed in an anti-static bag. A QC Passed label with the inspection date is applied before shipping.
Replacement Pitfall Guide
❗ Sensor System Length Mismatch: Proximitor systems are calibrated for specific cable lengths. Verify your extension cable and probe cable combination matches the 79492-01 configuration, or you will experience scaling errors.
❗ 3300/35 vs. 3300/36 Confusion: The 3300/35 is a single-channel conditioner. Do not confuse it with the 3300/36 which provides dual-channel output in a single housing.
❗ Power Supply Requirements: This module requires regulated -24 Vdc sensor power. Ensure your power supply can handle the inrush current during sensor initialization.
❗ Gap Voltage Verification: After installation, verify the gap voltage is within the linear operating range (typically -9 Vdc to -11 Vdc for standard probes). Incorrect gap causes non-linear output.
❗ ESD Damage: Use an anti-static mat during installation. Dry environments significantly increase electrostatic discharge risks to sensitive electronics.
Keep these in mind and you’ll cut 90% of rework time.
BENTLY 79492-01
Compatibility Matrix & Benchmarks
- 79492-01 → 3300/35-01-00 : Direct — Complete 3300/35 Assembly
- 79492-01 → 3300/36 : Needs Adaptation — Single Channel vs. Dual Channel
- 79492-01 → 3500/40M : Companion — Connects to 3500 Series Monitor Modules
- Signal Linearity: ±1% over specified gap range
- Frequency Response: 0 to 10 kHz (Vibration Mode)
