Introduction

The Bently Nevada 990-05-XX-01-05 165335-10 is a loop-powered vibration transmitter designed 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 external signal conditioning requirements, reducing installation complexity while maintaining stable and accurate vibration measurement performance. The model is widely applied in OEM machinery environments where reliability, standardized output, and space-efficient installation are essential.

Technical Specifications

Parameter	Specification
Product Model	990-05-XX-01-05
Configuration Code	165335-10
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 165335-10 Vibration Transmitter is engineered for continuous vibration monitoring of rotating machinery in industrial automation systems where stable signal output, compact installation, and long-term reliability are critical.

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 equipment
Marine and offshore mechanical systems

It is widely used in OEM machinery installations requiring standardized 4–20 mA output for direct PLC and DCS integration.

Advantages

Integrated vibration sensing and signal conditioning in a compact loop-powered design
Direct 4–20 mA output for seamless control system integration
Reduced wiring complexity and lower installation cost
Stable long-term signal performance for continuous monitoring
Strong immunity to industrial electromagnetic interference (EMI)
OEM-optimized architecture for space-constrained equipment panels
Supports predictive maintenance and condition-based monitoring strategies
Proven reliability in harsh industrial environments

Technical FAQs

Q1: What is the function of the 165335-10 code?
It is an internal OEM configuration or production identifier used to distinguish a specific variant within the 990 transmitter series.

Q2: What does “XX” represent in the model number?
It indicates configurable system length options, typically 5 m or 7 m depending on 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 inside 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 operate in continuous monitoring mode?
Yes, it is designed for continuous vibration trend monitoring.

Q8: Is it compatible with PLC and DCS systems?
Yes, it directly interfaces with standard industrial analog input systems.

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

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

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