Description
The Bently Nevada Commtest VB7 Dual Channel Vibration Analyzer is your ideal solution for efficient, high-precision vibration analysis and balancing. Whether you’re working on machinery diagnostics or maintenance, this portable, rugged device ensures quick and reliable results. With advanced features, superior resolution, and ease of use, the VB7 helps keep your operations running smoothly and efficiently.
The Bently Nevada Commtest VB7 Dual Channel Vibration Analyzer is your ideal solution for efficient, high-precision vibration analysis and balancing. Whether you’re working on machinery diagnostics or maintenance, this portable, rugged device ensures quick and reliable results. With advanced features, superior resolution, and ease of use, the VB7 helps keep your operations running smoothly and efficiently. Don’t miss out on the essential tool for machine monitoring and diagnostics.
Bently Nevada Commtest VB7 Features
Dual Channel Measurement: Simultaneous data collection for more accurate results.
High-Resolution Recording: Offers up to 6,400 lines of resolution and 40 kHz Fmax for precision analysis.
Portable & Ergonomic: Lightweight design for all-day comfort during on-site inspections.
Advanced Balancing Capabilities: Includes dynamic balancing for corrective maintenance with minimal downtime.
Versatile Sensor Compatibility: Compatible with accelerometers, velocity sensors, and tachometers for broad testing applications.
Durable Construction: Built to perform in hazardous and demanding environments, certified for Class 1 Division 2 areas.
Bently Nevada Commtest VB7 Benefits
Enhanced Productivity: Quickly diagnose and address vibration issues to minimize equipment downtime.
Improved Efficiency: Perform complex vibration analysis and balancing tasks with ease.All-Day Comfort:
The lightweight design and ergonomic features allow for extended use without fatigue.
Reliable Results: The VB7’s high-accuracy measurements and advanced analysis features ensure dependable data for decision-making.
Safe for Hazardous Areas: Ideal for industrial environments with its Class 1 Division 2 certification.
Bently Nevada Commtest VB7 data recording
Thevb7 Portable Data Collector, Analyzer and Balancerhas plenty of storage and long battery life, and is backed by a five
year warranty.Thevb7 Portable Data Collector, Analyzer and Balanceris one of Bently Nevada hardware monitoring assets that work with System 1 software.
Bently Nevada Commtest VB7 Specifications
Sensor input
2 channels
Compatible sensor types
Accelerometer, velocity, displacement, current
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 – 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 – 300 000 RPM (0.2 – 5 kHz)
Output to drive strobe
Up – 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
Size
9.9″ W x 5.8″ L x 2.4″ H (252 x 148 x 60 mm)
Weight
2.7 lb (1.2 kg) Including battery and strap
Bently Nevada Commtest VB7 include
BNC adapter cable
Carry Case
Power supply
Power Cord
Car Charger for cigarette lighter
USB Cable, Type A to Type B, 6′
Neck Strap with Sensor Keeper
Battery Pack (installed)
Accelometer Coiled Cable
vbSeries Instrument Reference Guide
Quick Start Guide
Implementation Success Training CD
Accelerometer +5% tolerance and a broad 3dB frequency response from 0.4 Hz to 14 kHz
Magnetic Base with Adjustable Stand
Tachometer Extension Cable, 5 meter
BNC Extension Cable, 5 meter (red)
Accessory Bag
Laser tachometer
BNC Extension Cable, 5 meter (green)
2GB RAM, RS232 Interface, Windows XP Pro Laptop Computer
65W AC/DC Adapter 19.5V 3.34A Output w/F2951 Power Cord
Reflective Tape
Ascent Reference Guide CD
Accelometer Magnetic Base, Male





























