Product Description

Overview

The Bently Nevada 86739-01 Dual Vibration Monitor is part of the 3500 Series Machinery Protection System, which supports continuous surveillance of critical rotating assets. This module monitors two independent vibration channels and provides programmable relay outputs for machine protection. Moreover, it integrates directly with other 3500 modules through the rack backplane, enabling stable and high-speed data exchange for plant-wide condition monitoring.

Operators rely on the 86739-01 because it offers fast response times and reliable alarm handling in demanding processes. In addition, its design supports long-term performance across wide temperature ranges, making it suitable for high-load industrial environments where equipment uptime directly affects operational efficiency.

Technical Specifications

General Information

• Manufacturer: Bently Nevada

• Model Number: 86739-01

• Product Type: Dual Vibration Monitor / Relay Module

• Series Compatibility: 3500 Machinery Protection System

• Country of Origin: USA

• Condition: In stock

• Weight: 2.8 kg 

Functional Performance

• Channels: 2 independent vibration inputs

• Functions: Dual-channel vibration monitoring with relay outputs

• Relay Outputs: 2 electromechanical SPDT relays

• Contact Rating: 5 A at 30 VDC or 250 VAC

• Relay Logic: Latching or non-latching; energized or de-energized operation

• Integration Method: Direct backplane connection within 3500 rack

Environmental Conditions

• Operating Temperature: –30 °C to +65 °C

• Storage Temperature: –40 °C to +85 °C

Logistics

• Shipping Port: Xiamen

• Payment Methods: T/T, Western Union

FAQ

Q1: Is the 86739-01 compatible with all 3500 racks?
Yes, it integrates directly through the standard 3500 backplane.

Q2: What alarms does this module provide?
It includes Alert and Danger alarm relays for immediate machine protection.

Q3: How many vibration channels does the unit monitor?
The module supports two fully independent vibration channels.

Q4: Can the relay logic be customized?
Yes, users can configure latching, energization mode, and alarm behavior.

Q5: Which industries typically use this monitor?
It is widely used in power generation, oil and gas, chemicals, and heavy industry.