The Bently Nevada 3300/16-12-01-02-00-00-00, also cataloged as the 3300/16 XY/GAP Dual Vibration Monitor, operates as a dedicated hardware component for radial vibration and shaft gap measurement within the 3300 Series Monitoring System.
Hardware Specifications
Parameter
Specification
Model
3300/16-12-01-02-00-00-00
Brand
Bently Nevada
Origin
USA
Product Type
XY/GAP Dual Vibration Monitor
System Platform
3300 Series Asset Condition Monitoring System
Input Type
Proximity probe/Proximitor transducer voltage input
Number of Channels
Two independent radial vibration channels with shaft gap monitoring
Input Impedance
10 kOhm
Transducer Sensitivity
100 mV/mil (4 V/mm) or 200 mV/mil (8 V/mm), programmable
Frequency Response
4 to 4,000 Hz (240 to 240,000 cpm) or 1 to 600 Hz (60 to 36,000 cpm), programmable
Measurement Range
0 to 5 mils peak-to-peak or equivalent configured full-scale range
Accuracy
+/-0.33% of full scale typical, +/-1% maximum at 25 deg C
Alarm Adjustment
Digital Alert and Danger setpoint adjustment from 0 to 100% full scale
Output Signal
+4 to +20 mA DC recorder output configuration
Display Type
Non-multiplexing vertical bar graph LCD
LED Indicators
OK, Alert, Danger, and Bypass status indicators
Operating Temp
0 deg C to +65 deg C
Storage Temp
-40 deg C to +85 deg C
Relative Humidity
Up to 95%, non-condensing
Eddy-Current Probe Scaling and Rotor Dynamics Monitoring
The Bently Nevada 3300/16 processes dynamic signals from eddy-current proximity probe systems and converts displacement voltage signals into vibration amplitude and shaft position values. The module supports programmable transducer scaling for 100 mV/mil and 200 mV/mil sensitivity configurations.
Furthermore, the monitor validates mechanical clearance conditions through shaft gap measurement. The gap channel evaluates the average probe voltage position and supports rotor dynamics analysis by tracking radial movement, vibration amplitude changes, and shaft position variations.
The module design maintains signal conditioning performance by separating vibration measurement channels and gap monitoring functions. Therefore, the system can detect mechanical changes without requiring external signal conversion equipment.
Frequently Asked Questions
Q: What type of transducers can the Bently Nevada 3300/16-12-01-02-00-00-00 accept? A: The module accepts voltage signals from Bently Nevada proximity probe and Proximitor transducer systems, including compatible 3300 XL 8 mm probe configurations.
Q: Does the 3300/16 provide shaft gap measurement in addition to vibration monitoring? A: Yes. The module provides XY radial vibration monitoring and an additional gap measurement function for shaft position evaluation.
Q: Can alarm values be adjusted during operation? A: The module provides digitally adjustable Alert and Danger alarm setpoints. Field adjustment procedures must follow the installed monitoring system configuration requirements.
Field Installation Guidelines
Install the module only in a compatible Bently Nevada 3300 Series rack configuration.
Verify proximity probe wiring polarity and shield termination before applying power.
Maintain separation between transducer signal cables and high-current power conductors to reduce electrical interference.
Connect cable shields according to the plant grounding standard and avoid multiple-point shield grounding paths.
Confirm probe gap voltage and transducer scaling parameters before placing the monitor into service.
Verify channel OK status indicators after installation to confirm proper field wiring and sensor operation.
Perform alarm setpoint verification after mechanical commissioning and rotor operating condition checks.
