Description
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 Bently Nevada Commtest VB8 Portable Data Collector, Analyzer and Balancer instrument is a four-channel vibration data collector,analyzer and balancer. You can use this device for on-route and off-route data collection, machine-side analysis and diagnosis as well as on-site dynamic balance correction.
The Bently Nevada Commtest VB8 Data Collector, Analyzer and Balancer is certified for Class 1 Division 2 hazardous areas. It is ergonomically designed and lightweight for all day comfort.
The Bently Nevada Commtest VB8 provides recordings with up to 12,800 lines ofresolution and up to 80 kHz Fmax. Our patented adaptive settling algorithm and 6Pack recording system offer quick,
one-step data recording.The Bently Nevada Commtest VB8 , Analyzer and Balancer has plenty of storage and long battery life, and is backed by a five year warranty.The vb8 is one of Bently Nevada hardware monitoring assets that work with System 1 software.
Bently Nevada Commtest VB8 Feature :
- 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
Bently Nevada Commtest VB8 Specification
| 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) |
Bently Nevada Commtest VB8 Include :
- 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)





























