Introduction

The Bently Nevada 990-05-XX-01-05 147202-01 is a loop-powered vibration transmitter engineered for reliable condition monitoring of industrial rotating machinery. It converts mechanical vibration signals into a standardized 4–20 mA output for seamless integration into automation and protection systems.

Its compact integrated architecture eliminates the need for external signal conditioning modules, reducing system complexity while maintaining stable and accurate vibration measurement performance. This model is widely used in OEM applications where space efficiency, long-term reliability, and standardized control integration are critical.

Technical Specifications

Parameter	Specification
Product Model	990-05-XX-01-05
Configuration Code	147202-01
Full-scale Range	0–5 mils pp (0–125 μm pp)
System Length	5 m or 7 m (configuration dependent)
Mounting Type	DIN rail / bulkhead mounting
Output Signal	4–20 mA proportional vibration signal
Power Supply	2-wire loop powered
Input Voltage	12–35 VDC
Operating Temperature	-35°C to +85°C
Storage Temperature	-51°C to +100°C
Housing Material	Industrial-grade metal enclosure
Dimensions	100.1 × 73.9 × 53.3 mm
Weight	0.43 kg (0.95 lb)

Applications

The Bently Nevada 990-05-XX-01-05 147202-01 Vibration Transmitter is designed for continuous vibration monitoring of rotating machinery in industrial environments where reliable signal conversion, stable output, and long-term operational integrity are required.

Typical applications include:

Centrifugal and reciprocating compressors
Industrial pump systems and booster stations
HVAC ventilation and air handling units
Electric motors and drive assemblies
Turbine auxiliary systems
Petrochemical and refinery rotating machinery
Marine and offshore mechanical systems

It is widely used in OEM machinery installations that require compact integration and standardized 4–20 mA output for control and protection systems.

Advantages

Integrated vibration sensing and signal conditioning in a compact transmitter design
Direct 4–20 mA output for PLC and DCS system compatibility
Reduced wiring complexity and simplified installation
Stable long-term signal performance for continuous monitoring applications
Strong resistance to industrial electromagnetic interference (EMI)
OEM-optimized mechanical structure for space-constrained equipment layouts
Supports predictive maintenance and condition-based monitoring strategies
Proven reliability in harsh industrial environments

Technical FAQs

Q1: What is the function of the 147202-01 code?
It is an internal configuration or modification code used to identify a specific OEM variant of the 990 series transmitter.

Q2: What does “XX” represent in the model number?
It indicates configurable system length options, typically 5 m or 7 m depending on the assembly configuration.

Q3: What output signal does this transmitter provide?
It provides a 4–20 mA analog output proportional to vibration amplitude.

Q4: What does the “05” represent?
It indicates a 0–5 mils peak-to-peak full-scale vibration measurement range.

Q5: Does it require external signal conditioning?
No, signal conditioning is fully integrated within the transmitter.

Q6: What equipment is it typically used on?
It is used on pumps, compressors, motors, fans, and other rotating machinery.

Q7: Can it be used for continuous monitoring?
Yes, it is designed for continuous vibration trend monitoring applications.

Q8: Is it compatible with PLC and DCS systems?
Yes, it directly interfaces with standard industrial control systems using 4–20 mA inputs.

Q9: Does it support waveform-level diagnostics?
No, it provides overall vibration amplitude rather than waveform analysis.

Q10: Is it suitable for harsh industrial environments?
Yes, it is designed for industrial environments with vibration, humidity, and temperature variation.

Look forward to your comments!Comment