Bently Nevada Commtest VB8 | Four Channel Vibration Analysis System

The Bently Nevada Commtest VB8 Four Channel Vibration Analysis System is a uniquely sophisticated and feature-packed instrument that remains intuitive in operation and flexible enough to suit every level of vibration analysis, from novice through to expert.

The Baker Hughes System 1 software is available with or without rental of this unit. Please contact us if you are interested.

Product Info Product Options Related Products

Sensor input	4 channels simultaneous sampling
Compatible sensor types	Accelerometer, velocity, displacement, current, voltage output and 4 – 20 mA
AC coupled range	16 V peak-peak Allows for ± 8 V sensor output swing (± 80 g)
DC coupled ranges	0 V – 20 V, -10 V – 10 V, -20 V – 0 V
Analog to digital conversion	24-bit ADC
Sensor excitation current	0 mA or 2.2 mA (configurable), 24 V maximum
Laser sensor range	10 cm to 2 m nominal
Power supply to sensor	5 V, 50 mA
TTL pulse rating	3.5 V (4 mA) min, 28 V (5 mA) max, off-state 0.8 V
Speed range	10 to 300,000 RPM (0.2 to 5 kHz), pulse width at least 0.1 ms
Output to drive strobe	Up to 140 Hz (8400 CPM)
Demodulation bandwidths	23 bandwidth options From 125 Hz – 1250 Hz up to 16 kHz – 20 kHz
Long time waveform Fmax	25 Hz – 40 kHz 10 kHz max for two or more channels
Dimensions (W x L x H)	9.9” x 5.8” x 2.4” (252 x 148 x 60) mm
Weight	2.7 lb. (1.2 kg)
Operating temperature	14°F – 122°F (-10°C – 50°C)

Fully automated measurement parameter and alarm setups based on The Proven Method from Technical Associates
ISO 2372 and 10816 standards
4 channel simultaneous recordings
Triax-enabled
12 800 lines FFT resolution
Support for 80 kHz Fmax
1GB memory – Virtually unlimited spectra storage
Modal Impact Testing & Cross Channel Spectrum (ODS)
Ability to export data in Universal File Format (UFF) for additional analysis in ODS software such as Vibrant Technology ME'scope
Large, high resolution (HVGA) backlit LCD
Support for acceleration, velocity, displacement, DC-coupled, current and voltage output sensors
Simultaneous acquisition – 2 plane balancing with up to 4 sensors
Unique Commtest 6Pack™ recording system
Numeric parameter input via keypad with Ascent® trend and alarm capability
Cable Test mode
Upgradable Proflash system

Our Testing Kit Includes:

COMM-VB8-CASE01 | Soft carry Case with shoulder strap
GENE-USB-72 | USB Cable Type A, to Type B 72"
COMM-VB8-CHARGER01 | DC Car Charger/ Adapter
COMM-CBCC0027 | BNC adapter cable
COMM-MAGF0104 | Accelometer Magnetic Base, Female
COMM-T296 | Triple BNC to lemo Cable
COMM-VB8-CHARGER02 | Power Supply 12V---3000mA with power cord
COMM-MVBX0250 | vbSeries Instrument Reference Guide
COMM-VB8-MAN01 | Quick Start Guide
COMM-780A-D2-NR | Accelerometer
COMM-VB*-CD01 | Implementation Success Training CD
COMM-NSSK0275 | Neck Strap with Sensor Keeper
COMM-VB8-COIL-CBL01 | Accelorometer Coiled Cable
COMM-LASA0315 | Laser tachometer
COMM-L188 | Tachometer Extension Cable, 5 meter
COMM-CB5G0024 | BNC Extension Cable, 5 meter (green)
COMM-CB5R0025 | BNC Extension Cable, 5 meter (red)
COMM-VB-CASE02 | Accessory Bag
COMM-VB8-MBS01 | Magnetic Base with Adjustable Stand
DELL-LATITUDE-D630 | DELL Latitude D630 Intel Core 2 Duo 2.20GHz 2GB Memory 80GB HDD 14.1 Windows 7 Professional
DELL-AA22850 | 65W AC/DC Adapter 19.5V 3.34A Output w/F2951 Power Cord
COMM-VB-R-TAPE01 | Reflective Tape
COMM-VB*-CD02 | Ascent Reference Guide CD
COMM-BATT0206 | Battery Pack (installed)