Bently Nevada 1800/20-12-90-02-00 Thrust Position Transmitter

Product Overview

The Bently Nevada 1800/20-12-90-02-00 is a loop-powered axial thrust position transmitter designed for continuous machinery protection and monitoring.
It integrates a Proximitor® sensor and signal conditioning electronics into one compact, field-mounted device.
Therefore, installation becomes simpler while maintaining the measurement accuracy expected in critical rotating equipment.
This transmitter delivers a stable 4–20 mA output, making integration with PLC and DCS systems straightforward.
Moreover, it supports reliable thrust position measurement in demanding industrial automation environments worldwide.

Key Features and Functional Benefits

The integrated design reduces cabling, panel space, and overall system complexity in the field.
In addition, loop-powered operation simplifies power requirements and improves system reliability during long-term operation.
The device provides continuous axial thrust position feedback, enabling early detection of abnormal shaft movement.
Moreover, its rugged construction supports stable performance under vibration, temperature variation, and harsh plant conditions.
Therefore, maintenance teams gain actionable data for predictive maintenance and asset protection strategies.

Technical Specifications

Output Signal: 4–20 mA, loop-powered
Measurement Type: Axial thrust position
Sensor Technology: Integrated Bently Nevada Proximitor® sensor
Power Supply: Loop-powered, 24 VDC typical
Operating Temperature Range: -40 °C to +85 °C
Dimensions: 120 × 80 × 60 mm
Weight: 1.3 kg 

Typical Applications and System Integration

This transmitter is commonly installed on turbines, compressors, pumps, and large industrial motors.
For instance, it monitors thrust bearing wear by continuously tracking axial shaft position changes.
Moreover, the standardized current output allows seamless integration with existing condition monitoring systems.
It fits naturally into predictive maintenance programs supporting reliability-centered maintenance strategies.
Therefore, operators gain higher availability and reduced risk of catastrophic machinery failure.

Reliability, Support, and Maintenance

Bently Nevada designs this transmitter for long service life in mission-critical industrial environments.
In addition, the integrated electronics reduce potential failure points associated with separate sensor assemblies.
Routine inspection requirements remain minimal, helping maintenance teams reduce overall lifecycle costs.
Therefore, plants benefit from consistent measurement performance and trusted global technical support resources.

FAQ

Q1: What type of signal does the 1800/20-12-90-02-00 provide?
A1: It provides a loop-powered 4–20 mA output suitable for PLC, DCS, and condition monitoring systems.

Q2: Does this model require an external Proximitor® module?
A2: No, the Proximitor® sensor and signal conditioning electronics are fully integrated into the transmitter housing.

Q3: What machinery is this transmitter typically used on?
A3: It is widely used on turbines, compressors, pumps, and motors requiring axial thrust position monitoring.

Q4: Can it operate in harsh industrial environments?
A4: Yes, it is designed for wide temperature ranges and reliable operation in demanding industrial conditions.

Q5: Is this product suitable for predictive maintenance programs?
A5: Yes, continuous thrust position monitoring supports early fault detection and proactive maintenance planning.