Product Details
The Bently Nevada 3500/40M Proximitor Monitor 140734-01N is a four-channel machinery protection monitor designed for the 3500 rack system. It accepts inputs from proximity transducers, conditions the incoming signals to generate precise vibration and position measurements, and compares them against user-programmable alarm setpoints to ensure continuous online protection for critical rotating equipment.
Channel Configuration and Measurement Functions
The module processes channel pairs to perform up to two concurrent measurement functions, supporting radial vibration, thrust position, differential expansion, eccentricity, and REBAM bearing condition. Each channel provides a short-circuit-protected, buffered coaxial transducer output on the front panel with 550 ohms output impedance, allowing raw or conditioned signals to be tapped for external diagnostic tools without disrupting protection operations.
| Parameter | Specification |
|---|---|
| Brand | Bently Nevada |
| Model | 3500/40M 140734-01N |
| Module Type | Proximitor Monitor |
| Number of Channels | 4 channels |
| Transducer Power Supply | -24 Vdc |
| Radial Vibration Sensitivity | 3.94 mV/um (100 mV/mil) or 7.87 mV/um (200 mV/mil) |
| Input Impedance | 10 kohms (standard I/O) |
| Operating Temperature Range | -30 deg C to +65 deg C |
| Storage Temperature | -40 deg C to +85 deg C |
| Humidity | Up to 95%, non-condensing |
| Dimensions (Main Module) | 241.3 mm x 24.4 mm x 241.8 mm |
| Weight (Main Module) | 0.91 kg |
Alarm Management and Rack Integration
Users configure Alert and Danger setpoints through the 3500 Rack Configuration Software, with independent time delays to prevent spurious trips. Three front-panel status LEDs—OK, TX/RX communication, and Bypass—provide visual status verification during normal operation and maintenance.
Frequently Asked Questions
Q: What transducer types are compatible with the 3500/40M monitor?
A: It accepts inputs from Bently Nevada proximity transducers to monitor vibration and position parameters on fluid-film bearing machinery.
Q: How can external diagnostic equipment access the sensor signals?
A: Technicians can tap raw or conditioned signals using the short-circuit-protected coaxial buffered output connectors located on the front panel of each channel.
Q: Can channels run different measurement types simultaneously?
A: Yes, channel pairs can be programmed independently, allowing channels 1 and 2 to execute one measurement function while channels 3 and 4 execute a different or identical function.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.































