Description
Product Core Brief
- Model: 330780-90-00
- Brand: Bently Nevada
- Series: 3300 XL 8 mm
- Core Function: Conditions eddy current probe signals for monitoring systems.
- Product Type: Proximitor Module
- Key Specs: 8mm System | Panel Mount | 7.87 mV/µm
- Condition: New Original (New Surplus)
330780-90-00
Product Introduction
BENTLY 330780-90-00 is a Proximitor module for 3300 XL 8 mm proximity probes. It converts raw eddy current signals into standardized voltage or current outputs.
This unit features a panel mount design and 7.87 mV/µm sensitivity. The BENTLY 330780-90-00 includes RFI/EMI filtering to meet European EMC standards. Verify power supply voltage before installation.
Key Technical Specifications
- System Type: 3300 XL 8 mm
- Sensitivity: 7.87 mV/µm (200 mV/mil)
- Mounting Style: Panel Mount
- Supply Voltage: -17.5 to -26 Vdc
- Max Current: 12 mA
- Frequency Response: 0 to 10 kHz
- Operating Temp: -35 °C to +85 °C
- Output Type: Voltage or Current
Quality Control Process (Engineer’s Perspective)
- Incoming Verification: Trace source via serial number. Inspect PCB for flux residue or pin corrosion.
- Live Functional Test: Power-on self-check. Run signal handshake test. Log temperature during 24 hr load.
- Electrical Parameter Test: Measure insulation resistance (500 V Megger, >10 MΩ). Verify ground continuity.
- Firmware Verification: Read firmware version. Photograph DIP switch positions.
- Final QC & Packaging: Seal in anti-static bag. Apply QC Passed label with date.
Replacement Pitfall Guide
❗ Mounting Hardware: The BENTLY 330780-90-00 is panel mount. DIN rail units use different hole patterns.
❗ Power Supply: This module requires negative DC voltage (-24 Vdc typical). Positive voltage will destroy the internal circuitry.
❗ System Matching: Only use with 3300 XL 8 mm probes. 5 mm or 11 mm probes have different sensitivities and will cause calibration errors.
❗ Cable Length: Total system length (probe + extension) must match the 9.0 m configuration. Verify the second digit in the part number.
❗ ESD & Handling: Use anti-static mat. Dry environments increase failure risk during handling.
Keep these in mind and you’ll cut 90% of rework time.
330780-90-00
Compatibility Matrix & Benchmarks
- 330780-90-00 → 330780-91-00 : Needs Adaptation — DIN rail vs panel mount
- 330780-90-00 → 330780-50-00 : Incompatible — 5.0 m system length
- 330780-90-00 → 330780-90-05 : Direct — verify certification suffix
Benchmarks:
- Signal-to-noise ratio: >60 dB (calibrated system)
- Temperature drift: <0.5 mV/°C (compensated design)
Need me to pull up the matching 3300/42M rack for this module? Let me know which one you’d like.
