The Bently Nevada 3300/16-02-01-01-00-00-02, 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 Bently Nevada 3300 Machinery Monitoring System.
Hardware Specifications
Parameter
Specification
Model
3300/16-02-01-01-00-00-02
Brand
Bently Nevada
Product Type
XY/Gap Dual Vibration Monitor
System Platform
Bently Nevada 3300 Machinery Monitoring System
Origin
USA
Weight
Approx. 1.0 kg
Dimensions
1 rack slot module format
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
Power Consumption
System rack supplied power; specific consumption depends on rack configuration
Signal Input
One or two proximity probe systems
Input Impedance
10 kOhm
Full Scale Range
0 to 5 mils peak-to-peak
Transducer Input
3300 8 mm, 3300 XL 8 mm, or 7200 5 mm and 8 mm Proximitor Sensors
Transducer Sensitivity
200 mV/mil or 8 V/mm
Frequency Response
4 to 4,000 Hz or 1 to 600 Hz low-speed mode
Recorder Output
+4 to +20 mA, +1 to +5 VDC, 0 to -10 VDC
Output Load
Current output: 0 to 600 Ohm; voltage output: minimum 10 kOhm
Accuracy
Within +/-0.33% of full scale typical; +/-1% maximum
Trip Multiply Function
3X alarm limit multiplication during startup
Alarm Relay
Epoxy-sealed relay configuration
Safety Barrier
No internal safety barriers
Agency Approval
Standard configuration without agency approval
Display Type
Non-multiplexing vertical LCD bargraph
Rack Position
One rack slot, excluding power supply and system monitor reserved slots
Eddy-Current Probe Scaling and Rotor Dynamics Monitoring
The 3300/16 monitor processes eddy-current proximity probe signals for radial shaft vibration and average shaft position measurement. It applies probe scaling parameters based on compatible Bently Nevada transducer systems, including 3300 8 mm and 3300 XL 8 mm probes.
The monitor evaluates dynamic vibration signals and gap voltage feedback from rotating equipment. In addition, the system architecture supports rotor dynamics analysis by providing buffered raw vibration outputs for external diagnostic instruments.
The proximity input circuit validates probe operating conditions through gap voltage behavior. Standard Bently Nevada monitoring practices use negative gap voltage targets, typically near -10 VDC, to confirm correct probe installation and shaft position measurement range.
The monitor also reduces measurement interference through signal conditioning functions designed for vibration channel separation and cross-talk suppression between monitoring inputs.
Frequently Asked Questions
Q: What type of transducer systems can the 3300/16-02-01-01-00-00-02 accept? A: The monitor accepts Bently Nevada 3300 8 mm, 3300 XL 8 mm, and 7200 series 5 mm or 8 mm proximity probe systems with 200 mV/mil sensitivity.
Q: How does the 3X Trip Multiply function operate? A: The 3X Trip Multiply function increases programmed alarm thresholds by three times during machine startup conditions to prevent unnecessary trips during acceleration.
Q: Does this module provide internal safety barriers? A: No. The 3300/16-02-01-01-00-00-02 configuration does not include internal safety barriers and requires external protection when hazardous area installation requires isolation.
Field Installation Guidelines
Install the 3300/16 module in an available Bently Nevada 3300 rack position according to the rack configuration requirements. The power supply and system monitor positions must remain reserved.
Connect proximity probe wiring using shielded cables and maintain proper cable routing separation from high-current power conductors. Ground cable shields according to the monitoring system installation manual to reduce electrical noise.
Verify the probe gap voltage before commissioning. Confirm that the proximity probe operates within the specified measurement range and that the vibration channel polarity matches the installed transducer configuration.
Use the front-panel buffered outputs for diagnostic connections only. Avoid excessive cable loading on buffered signal outputs because additional loading can affect signal quality.
Confirm alarm relay wiring, bypass status, and Trip Multiply operation before placing the machine protection system into service.
