Channel Configuration

Number of channels: 4 independent channels

Paired configuration: Channels operate in paired programming mode

Each channel pair supports two selectable measurement functions

Independent alarm configuration available for each channel

Input Types

Compatible with Proximitor® probes (e.g., 3300XL series)

Compatible with Seismic sensors (e.g., Velomitor® CT)

Supports a wide range of machinery measurements, including radial vibration and thrust position

Output

4–20 mA analog output per channel

Supports Modbus/TCP and other industrial communication protocols

Seamless integration with DCS and PLC systems

Measurement Functions & Performance
Supported Measurement Functions

Radial vibration

Thrust position

Differential expansion

Eccentricity

Acceleration

Velocity

Absolute shaft vibration

Frequency Response

0.108 Hz to 8,678 Hz

Frequency range depends on selected filtering configuration

Suitable for mechanical condition monitoring across low- to high-speed rotating machinery

Alarm & Protection Functions

Fully configurable Alert and Danger alarm setpoints

Alarms drive Bently Nevada 3500 system relay outputs

Enables reliable machinery protection and trip logic

Mechanical & Environmental Specifications
Mechanical Characteristics

3500 system standard single-slot module

Fully compatible with 3500 rack installation

BENTLY 3500/42M（147034-02） Proximitor Seismic Monitor

Power Supply

Powered directly from the 3500 system backplane

Compatible with 3500/20 Rack Interface Module (RIM) and 3500/22 Transient Data Interface (TDI)

Environmental Conditions

Operating temperature: 0 °C to +60 °C

Designed for stable operation in harsh industrial environments