Introduction

The 990-16-XX-01-CN (106M1675-01) is a compact loop-powered vibration transmitter designed for industrial machinery protection systems. It converts proximity probe vibration signals into a stable 4–20 mA output for integration with PLC, DCS, and SCADA platforms.

It is commonly deployed in turbines, compressors, pumps, and other rotating assets where continuous vibration monitoring is critical to avoid unplanned downtime and improve equipment reliability. The CN configuration is typically used for region-specific compliance and deployment flexibility in industrial automation environments.

Technical Specifications

Parameter	Value
Model	990-16-XX-01-CN
Part Number	106M1675-01
Product Type	990 Vibration Transmitter
Output Signal	4–20 mA
Power Supply	12–36 VDC (loop powered)
Input Type	Bently Nevada proximity probe (NSv compatible)
Operating Temperature	-40°C to +85°C
Frequency Response	2 Hz – 10 kHz (typical application range)
Accuracy	±1% full scale
Communication	Analog 4–20 mA
Mounting Type	DIN rail / panel mount
Dimensions	100.1 × 73.9 × 53.3 mm
Weight	0.43 kg (0.95 lb)

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Bently Nevada 3300 NSv Proximity Probe System

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Applications

The Bently Nevada 990-16-XX-01-CN 106M1675-01 990 Vibration Transmitter Module is designed for continuous vibration monitoring of rotating machinery in industrial automation systems, delivering stable signal conversion for protection and predictive maintenance applications.

Typical applications include:

Gas turbine condition monitoring systems
Steam turbine vibration protection and diagnostics
Centrifugal compressor performance monitoring
Industrial pump cavitation and imbalance detection
Electric motor bearing health supervision
Refinery rotating equipment protection systems
Power generation auxiliary machinery monitoring
Heavy-duty HVAC mechanical systems

Advantages

Integrated signal conditioning reduces external system complexity
Stable 4–20 mA output for direct PLC/DCS integration
High reliability under harsh vibration, temperature, and humidity environments
Compatible with Bently Nevada 3300 NSv proximity probe systems
Compact OEM-grade design suitable for tight installations
Built-in NOT OK diagnostic fault detection
Long operational life with minimal maintenance requirements
Designed for continuous industrial monitoring environments

Technical FAQs

Q1: What probe system is compatible with this transmitter?
A1: It is compatible with Bently Nevada 3300 NSv proximity probe systems.

Q2: Does it require external signal conditioning?
A2: No, signal conditioning is fully integrated inside the module.

Q3: What output signal does it provide?
A3: It provides a standard 4–20 mA vibration output signal for control systems.

Q4: Is this a loop-powered device?
A4: Yes, it operates as a 2-wire loop-powered transmitter.

Q5: Can it be used in turbine applications?
A5: Yes, it is widely used in turbines, compressors, and rotating machinery.

Q6: What type of machinery is it most commonly used on?
A6: It is typically used on pumps, fans, motors, compressors, and turbines.

Q7: Does it support predictive maintenance strategies?
A7: Yes, it enables early fault detection through continuous vibration monitoring.

Q8: Is it suitable for harsh environments?
A8: Yes, it is designed for industrial vibration, humidity, and temperature stress conditions.

Q9: Can it interface directly with PLC or DCS systems?
A9: Yes, it connects directly through a standard 4–20 mA input channel.

Q10: Is field calibration required?
A10: No, it is factory calibrated for long-term stable operation.

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Bently Nevada 990-16-XX-01-CN 106M1675-01 990 Vibration Transmitter