Brand:Bently Nevada PLC Item No.:990-04-XX-01 Product Origin:USA Product Dimensions:100.1 x 73.9 x 53.3 mm Product Weight:0.43 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Bently Nevada 990-04-XX-01 is a loop-powered vibration transmitter engineered for reliable monitoring of industrial rotating machinery. It converts mechanical vibration into a standardized 4–20 mA output signal, enabling seamless integration with automation and protection systems.
Its compact integrated architecture eliminates the need for external signal conditioning, reducing system complexity while maintaining stable and accurate vibration measurement performance. The modular “XX” configuration allows flexible system adaptation for OEM applications where installation constraints and wiring standardization are critical.
Technical Specifications
Parameter
Specification
Product Model
990-04-XX-01
Full-scale Range
0–4 mils pp (0–100 μm pp)
System Length
5 m or 7 m (configuration dependent)
Mounting Type
35 mm 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 990-04-XX-01 Vibration Transmitter is designed for continuous vibration monitoring of rotating machinery in industrial automation systems where reliable signal stability and long-term equipment protection are required.
It is commonly applied in:
Centrifugal and reciprocating compressors
Industrial pump and pumping systems
HVAC ventilation and cooling units
Electric motors and drive assemblies
Turbine auxiliary systems
Petrochemical and refinery rotating equipment
Marine and offshore machinery systems
This “XX” configuration represents flexible system length options within the 990 platform, making it suitable for OEM machinery integration and standardized 4–20 mA control architectures.
Advantages
Integrated vibration sensing and signal conditioning in a compact transmitter design
Direct 4–20 mA output for PLC and DCS compatibility
Reduced wiring complexity and simplified installation process
Stable long-term signal output for continuous condition monitoring
High immunity to industrial electromagnetic interference (EMI)
OEM-friendly modular configuration (system length selectable via suffix)
Supports predictive maintenance and asset health monitoring strategies
Proven reliability in harsh industrial environments
Technical FAQs
Q1: What does “XX” mean in the model code?
It typically represents configurable system length options (commonly 5 m or 7 m depending on configuration).
Q2: What output signal does the transmitter provide?
It provides a 4–20 mA analog signal proportional to vibration amplitude.
Q3: Is external signal conditioning required?
No, signal conditioning is fully integrated into the transmitter.
Q4: What type of machinery is it used for?
It is used on pumps, compressors, motors, fans, and other rotating equipment.
Q5: Can it be used for continuous monitoring?
Yes, it is designed for continuous vibration trend monitoring applications.
Q6: Does it support PLC integration?
Yes, it directly interfaces with standard PLC/DCS analog input modules.
Q7: Does it provide waveform diagnostics?
No, it provides overall vibration level monitoring rather than waveform analysis.
Q8: Is it suitable for harsh environments?
Yes, it is designed for industrial environments with vibration, humidity, and temperature variations.
Q9: What installation type does it support?
It supports DIN rail or machine-mounted configurations depending on setup.
Q10: Is it used in predictive maintenance systems?
Yes, it is widely used in condition-based maintenance and asset monitoring systems.
