Bently Nevada Velomitor Sensor User Manual

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Bently Nevada Velomitor Sensor Specifications

General

Sensitivity	100 mV/g
Frequency Response	0.5 Hz to 10 kHz
Output	4-20 mA
Case Material	Stainless Steel
Housing Material	Stainless Steel
Power Requirement	18 to 30 VDC
Power Supply	18 to 30 VDC
Connector	MIL-C-5015
Operating Temperature	-50°C to +120°C

Summary

Operating Information

Application

Details the intended use cases for Velomitor sensors.

Principle of Operation

Explains the piezoelectric sensing mechanism of the Velomitor sensor.

Ordering Options and Accessories

Lists available sensor options, part numbers, and accessories.

Compatible Monitoring Systems and Connections

Identifies compatible Bently Nevada monitoring systems.

Cable Options

Describes various cable types and their part numbers for sensors.

Transducer Accessories

Lists optional accessories for Velomitor sensors.

Installation

Receiving Inspection

Procedures for inspecting sensor components upon delivery.

Installing the Transducer

Step-by-step guide for mounting the Velomitor sensor.

Installing Connecting Cable

Instructions for properly connecting sensor cables.

Maintenance

Recommended Maintenance Equipment

Lists necessary equipment for sensor maintenance and testing.

Test Setup

Details the required equipment and connections for testing.

Performance Test Procedure

Step-by-step guide to test sensor performance.

Polarity Test Procedure

Procedure to verify the sensor's phase response.

Installation Note

Important considerations for clean sensor connections.

Field Testing and Troubleshooting

Fault Indication #1 Cause/Solution

Troubleshooting guide for monitor OK LED being off.

Fault Indication #2 Cause/Solution

Troubleshooting guide for low vibration and noise.

Fault Indication #3 Cause/Solution

Troubleshooting guide for no vibration signal despite OK status.

Specifications

Standard Use Specifications (330500, 330525)

Technical performance and environmental specs for standard models.

Nuclear Use Specifications (330530)

Technical specs for radiation-resistant sensor, pre/post-radiation.

Mechanical Drawing (330500, 330530)

Dimensional drawings and tolerances for 330500/330530 sensors.

Mechanical Drawing (330525)

Dimensional drawings and tolerances for the 330525 sensor.