Brand:Bently Nevada PLC Item No.:990-04-70-01-CN 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 990-04-70-01-CN is a loop-powered vibration transmitter designed for reliable monitoring of industrial rotating machinery. It converts mechanical vibration signals into a standardized 4–20 mA output for direct integration into automation and protection systems.
Its integrated architecture eliminates the need for external signal conditioning modules, reducing system complexity while maintaining stable and accurate vibration measurement performance. It is widely used in OEM machinery applications where long-term reliability and simplified installation are critical.
Technical Specifications
Parameter
Specification
Product Model
990-04-70-01-CN
Full-scale Range
0–4 mils pp (0–100 μm pp)
System Length
7.0 m (23 ft)
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 990-04-70-01-CN Vibration Transmitter is designed for continuous condition monitoring of rotating machinery in industrial automation systems, providing reliable vibration signal conversion for predictive maintenance and equipment protection.
Typical applications include:
Centrifugal and reciprocating compressors
Industrial process pump systems
HVAC ventilation and cooling equipment
Electric motors and drive trains
Turbine auxiliary systems
Petrochemical and refinery rotating machinery
Marine and offshore mechanical equipment
It is particularly suitable for OEM machinery integration requiring compact installation and standardized 4–20 mA output for control system compatibility.
Advantages
Integrated vibration sensing and signal conditioning in a compact housing
Direct 4–20 mA output compatible with PLC/DCS systems
Simplified wiring and reduced installation cost
Stable long-term signal transmission for continuous monitoring
Strong EMI resistance for industrial environments
OEM-optimized compact mechanical structure
Supports predictive maintenance and condition-based monitoring
High reliability in harsh operating conditions
Technical FAQs
Q1: What output signal does this transmitter provide? It provides a 4–20 mA analog output proportional to vibration amplitude.
Q2: Does it require external signal conditioning? No, signal conditioning is fully integrated inside the device.
Q3: What equipment is it typically used on? It is used on pumps, compressors, motors, fans, and other rotating machinery.
Q4: Can it support continuous monitoring applications? Yes, it is designed for continuous vibration trend monitoring.
Q5: Is it compatible with PLC and DCS systems? Yes, it directly interfaces with standard industrial analog input modules.
Q6: Does it support waveform diagnostics? No, it provides overall vibration level monitoring rather than waveform analysis.
Q7: Is it suitable for harsh environments? Yes, it is designed for industrial environments with vibration, humidity, and temperature variation.
Q8: What is the installation type? It supports DIN rail or machine-mounted installation depending on configuration.
Q9: Is it used in predictive maintenance systems? Yes, it is widely used in condition-based maintenance programs.
Q10: Does it require frequent calibration? No frequent calibration is required under normal industrial operation.
