Cti20414_vb_brochure_a4.indd
Built on the proven track record of the classic vbSeries® portable vibration analyzers and
balancers, the all-new vbSeries data collectors, analyzers, and balancers have been re-engineered
from the ground up to off er leading-edge reliability, accuracy, and usability.
oved er onomics for wa
gonomics for w lkaro
alkar und data col ection
ound data collection
ge, high r solution (HVG
esolution (HV A) backlit LC
True left and right-
- and right handed operation
-handed operation
• Multi-channel on ro
Multi-channel on r ute re
ecor ings - Col ectors and analyzers only
dings - Collectors and analyzers only
• 1 GB memory – Vir
1 GB memory – Virtual y unlimited spectra and wa
tually unlimited spectra and w veform storage
• 10 hour battery life
10 hour battery life
Lightweight, rugged IP65-rated cases
, rugged IP65-rated cases
• DC-coupled sensor suppor
DC-coupled sensor support
• 12 800 lines of re
12 800 lines of r solution (max)
• Single, Dual, or Four-
Single, Dual, or Four channel re
ecor ings depending on model
dings depending on model
• Triax. compatibility - vb6™ and vb8™ instruments only
Triax. compatibility - vb6™ and vb8™ instruments only
CSA Class I, Division 2 Hazard
A Class I, Division 2 Hazar ous Locations cer
dous Locations certifi
USB host port for data transfer to external USB memory
t for data transfer to external USB memory
Choose the model most suitable for your needs
Choose the model most suitable for your needs
Our tier d instrument range enables yo
ed instrument range enables y u to select an appro
ou to select an appr priate set of feature
opriate set of featur s at a cost-
es at a cost eff
price. Choose a model tailore
price. Choose a model tailor d to yo
equir ments with the added peace of mind pro
ements with the added peace of mind pr vided by our
r ck solid 5 year wa
ock solid 5 year w rranty.
THE COMPLETE VIBRATION ANALYSIS PACKAGE
The vb8™ analyzer is a uniquely sophisticated and feature-packed
instrument that remains intuitive in operation and fl exible enough to suit
every level of vibration analysis, from novice through to expert.
The Ascent® software included contains the collective experience of over
25 years of expert in-depth machine fault analysis.
1. Users with no prior experience or without a previously recorded
vibration history can now establish a measurement program utilizing
proven baseline values from ISO standards and The Proven Method
from Technical Associates.*
2. Experienced users can now generate meaningful spectral alarm bands
automatically rather than just relying on basic overall alarms or spectral
3. Veteran analysts can now objectively evaluate and compare their
fi ndings against a time-tested and proven historical foundation.
Ascent Level 2 software
• Fully automated measurement parameter and alarm setups based on
The Proven Method from Technical Associates*.
• ISO 2372 and 10816 standards
Enhanced instrument functionality
• 4 channel simultaneous recordings
• Triax. enabled
• 12 800 line FFT resolution
• 1 GB memory – Virtually unlimited spectra storage
• Large, high resolution (HVGA) backlit LCD
• Comfortable, ergonomic case design
• Support for acceleration, velocity, displacement, DC-coupled, current,
and voltage output sensors (both AC- and DC-coupled)
• 2 plane balancing with up to 4 sensors - Simultaneous acquisition
• Unique Commtest 6Pack™ recording system - Take up to 12
measurements simultaneously (HF, LF and Demodulation spectra and
waveforms) across two channels
• Numeric parameter input via keypad with trend and alarm capability in
• Upgradable using the Profl ash system and free fi rmware updates for
* The incorporation of The Proven Method is
available exclusively in Ascent® software
EASY AND EFFICIENT TWO CHANNEL CAPABILITY
The vb7™ analyzer off ers the power and convenience of dual-channel
measurement and dual-plane balancing. Its balancing functions enable
quick diagnosis and correction of dynamic unbalance, the most common
form of unbalance. The vb7 instrument's combination of accuracy,
intuitive operation, ease of use, and outstanding storage capacity ensures
the vb7 analyzer delivers a premium return on investment. The vb7
instrument includes the powerful Ascent® software in the purchase price.
Ascent Level 2 enables you to program the instrument with thousands
of separate machine defi nitions, covering a number of route choices. A
library of over 300 customizable parameter sets is also available, enabling
a vast array of measurement options.
Ascent Level 2 software
• Route enabled - Build routes in Ascent and send these to the instrument
• CBDb - Commtest Bearing Database with over 30 000 bearings
• Orbit and Bode plots
• Waveform analysis tools - Perfect for the power user
• User-designable SQL/HTML reports - Unlimited reporting fl exibility
• Statistical alarm creation and adjustment
Enhanced instrument functionality
• Improved ergonomics for walkaround data collection
• 2 channel simultaneous recordings
• True left- and right-handed operation
• Wide measurement range - 1000 g, 25 000 mm/s, 2500mm
• 2 plane balancing
• ≥ 95 dB dynamic range
• 6400 line FFT resolution
• 1 GB memory – Virtually unlimited spectra and waveform storage
• Laser speed sensor for automatic capture of machine running speed
• Keyphasor® tach mode
• 5 year warranty on the instrument hardware
HIGH RESOLUTION, FOUR CHANNEL MEASUREMENTS FOR PROACTIVE
The vb6™ data collector is a four channel, route-enabled product
that provides everything you need for advanced, high resolution data
collection. This instrument includes a wide range of recording and
measurement types at up to 12 800 lines of resolution. The vb6 includes
the powerful Ascent® software in the purchase price.
Ascent Level 1 enables you to program the instrument with thousands
of separate machine defi nitions, covering a number of route choices. A
library of over 300 customizable parameter sets is also available, enabling
a vast array of measurement options.
Ascent Level 1 software
• Route enabled - Build routes in Ascent and send these to your
• CBDb - Commtest Bearing Database with over 30 000 bearings
Enhanced instrument functionality
• 4 channel simultaneous recordings
• 12 800 line FFT resolution
• Laser speed sensor for automatic capture of machine running speed
• 1 GB memory – Virtually unlimited spectra storage
• ≥ 95 dB dynamic range
• Large, high resolution (HVGA) backlit LCD
• Voltage output sensor support
• User-defi ned recordings for Temperature, Pressure, Mass Flow, Force,
• 5 year warranty on the instrument hardware
THE ECONOMICAL SOLUTION FOR THE PROACTIVE MAINTENANCE
The vb5™ data collector is a single channel, route-enabled product
that provides everything you need for cost-eff ective data collection and
analysis. Using this instrument, maintenance professionals can easily
take recordings with up to 6400 lines of resolution and greater than 95
dB of dynamic range, and all at a low price that represents exceptional
value for money. The vb5 instrument includes the powerful Ascent®
software in the purchase price.
Ascent Level 1 enables you to program your instrument with thousands
of separate machine defi nitions, covering a number of route choices.
A library of over 300 customizable parameter sets is also available,
enabling a vast array of measurement options.
Ascent Level 1 software
• Route enabled - Build routes in Ascent and send these to your
• CBDb - Commtest Bearing Database with over 30 000 bearings
Enhanced instrument functionality
• 1 channel recordings
• 6400 line FFT resolution
• 1 GB memory – Virtually unlimited spectra storage
• ≥ 95 dB dynamic range
FOUR CHANNEL UNBALANCE
Lightweight and extremely portable, the vbBalancer+™ 4 channel and
vbBalancer™ 2 channel instruments are easily carried onsite to any
problematic machine. Their 10 hour battery life and 1 GB of internal
memory ensure progress is uninterrupted, practically eliminating the need
to pause in order to connect to a PC or power supply. The vbBalancer
instruments also carry the legendary 5 year warranty and free lifetime
Unbalance causes high levels of mechanical stress and vibration that are
transferred directly to the bearings resulting in a proportional reduction
in normal bearing life. With a few basic parameters, the vbBalancer
instruments calculate acceptable unbalance levels to ensure machinery
operates within international ISO 1940 guidelines.
vbBalancer instrument setup is minimal, quick, and easy. Only a few
calibration runs are required, with or without removing your trial weight.
The vbBalancer instrument stores your previous balance run data. No
need to waste valuable time performing calibration runs on repetitive or
routine balance jobs.
Unbalance is computed quickly and the large backlit LCD display and
user-friendly graphical interface indicate the angular position for weight
The vbBalancer+ instrument enables full 4-sensor monitoring of both
horizontal and vertical axes on each bearing. This ability provides
confi dence that a balance on any one axis has not worsened vibrations
on the other.
Sensor Input
Accelerometer, Velocity,
Accelerometer, Velocity,
Accelerometer, Velocity,
Displacement, Current, Voltage
Displacement, Current
Displacement, Current, Voltage
AC coupled range
DC coupled range
Analog to digital conversion
Sensor excitation current
0 mA or 2.2 mA (confi gurable),
0 mA or 2.2 mA (confi gurable),
0 mA or 2.2 mA (confi gurable),
0 mA or 2.2 mA (confi gurable),
Warns if short circuit or not
Warns if short circuit or not
Warns if short circuit or not
Warns if short circuit or not
Laser sensor with refl ective
Laser sensor with refl ective
Laser sensor with refl ective
Laser sensor with refl ective
tape included in kit
tape included in kit
tape included in kit
tape included in kit
Laser sensor range
10 cm to 2 m nominal
10 cm to 2 m nominal
10 cm to 2 m nominal
10 cm to 2 m nominal
Other Sensor types supported
Contact, TTL pulse
Contact, TTL pulse,
Contact, TTL pulse,
Contact, TTL pulse,
Power supply to sensor
TTL Pulse rating
max, off -state 0.8 V
max, off -state 0.8 V
max, off -state 0.8 V
max, off -state 0.8 V
Speed range
30 RPM to 300 000 RPM (0.5 Hz
30 RPM to 300 000 RPM (0.5 Hz
30 RPM to 300 000 RPM (0.5 Hz
30 RPM to 300 000 RPM (0.5 Hz
›1000 g (10 000 m/s2),
›1000 g (10 000 m/s2),
›1000 g (10 000 m/s2),
›1000 g (10 000 m/s2),
›1000 in/sec (25 000 mm/s),
›1000 in/sec (25 000 mm/s),
›1000 in/sec (25 000 mm/s),
›1000 in/sec (25 000 mm/s),
›100 in (2500 mm)
›100 in (2500 mm),
›100 in (2500 mm),
›100 in (2500 mm),
Dynamic signal range
Less than -70 dB typical
Less than -70 dB typical
Less than -70 dB typical
Less than -70 dB typical
g or m/s2, in/s or mm/s, mil or
g or m/s2, in/s or mm/s, mil or
g or m/s2, in/s or mm/s, mil or
g or m/s2, in/s or mm/s, mil or
mm or μm adB, vdB
mm or μm adB, vdB, amps and
mm or μm adB, vdB amps and
mm or μm adB, vdB amps and
Magnitude & Cursors
Overall RMS value, dual
Overall RMS value, dual
Overall RMS value, dual
Overall RMS value, dual
cursors, harmonics
cursors, harmonics
cursors, harmonics
cursors, harmonics
± 0.1 dB from 10 Hz to 15 kHz;
± 0.1 dB from 10 Hz to 15 kHz;
± 0.1 dB from 10 Hz to 15 kHz;
± 0.1 dB from 10 Hz to 15 kHz;
± 3 dB from 1 Hz to 40 kHz
± 3 dB from 1 Hz to 40 kHz
± 3 dB from 1 Hz to 40 kHz
25, 50, 100, 125, 150, 200, 300,
25, 50, 100, 125, 150, 200, 300,
25, 50, 100, 125, 150, 200, 300,
25, 50, 100, 125, 150, 200, 300,
400, 500, 600, 800, 1000, 1200,
400, 500, 600, 800, 1000, 1200,
400, 500, 600, 800, 1000, 1200,
400, 500, 600, 800, 1000, 1200,
Fmax possible ranges
1600, 2000, 2500, 3000, 4000,
1600, 2000, 2500, 3000, 4000,
1600, 2000, 2500, 3000, 4000,
1600, 2000, 2500, 3000, 4000,
5000, 6000, 8000, 10 000, 15
5000, 6000, 8000, 10 000, 15
5000, 6000, 8000, 10 000, 15
5000, 6000, 8000, 10 000, 15
000, 20 000, 30 000, 40 000 Hz
000, 20 000, 30 000, 40 000 Hz
000, 20 000, 30 000, 40 000 Hz
000, 20 000, 30 000, 40 000 Hz
Fmin possible range
400, 800, 1600, 3200, 6400
400, 800, 1600, 3200, 6400, 12
400, 800, 1600, 3200, 6400
400, 800, 1600, 3200, 6400, 12
Acceleration, velocity,
Acceleration, velocity,
Acceleration, velocity,
Acceleration, velocity,
displacement, current or user
displacement, current or user
displacement or current
Hanning, rectangular
Hanning, rectangular
Hanning, rectangular
Hanning, rectangular
(0, 12.5, 25, 37.5, 50, 62.5, 75,
(0, 12.5, 25, 37.5, 50, 62.5, 75,
(0, 12.5, 25, 37.5, 50, 62.5, 75,
(0, 12.5, 25, 37.5, 50, 62.5, 75,
Number of averages
1, 2, 4, 8, 16, 32, 64, 128
1, 2, 4, 8, 16, 32, 64, 128
1, 2, 4, 8, 16, 32, 64, 128
1, 2, 4, 8, 16, 32, 64, 128
Linear, exponential,
Linear, exponential,
Linear, exponential,
Linear, exponential,
peak hold, synchronous
peak hold, synchronous
21 bandwidth options
21 bandwidth options
21 bandwidth options
21 bandwidth options
Number of samples
1024, 2048, 4096, 8192, 16 384
1024, 2048, 4096, 8192,
1024, 2048, 4096, 8192, 16 384
1024, 2048, 4096, 8192,
Time scale
10 ms to 640 seconds
10 ms to 640 seconds
10 ms to 640 seconds
10 ms to 640 seconds
Time synchronous averages
1, 2, 4, 8, 16, 32, 64, 128
1, 2, 4, 8, 16, 32, 64, 128
1, 2, 4, 8, 16, 32, 64, 128
Long time waveform
Up to 40 kHz Fmax
Up to 40 kHz Fmax
Simultaneous sampling
Accelerometer, Velocity,
Allows for ± 8 V sensor output
e.g. for reading prox-probe gap
Safety feature: Break-free inline connector
0 mA or 2.2 mA (confi gurable),
0 mA or 2.2 mA (confi gurable),
2.2 mA required for ICP®-type accelerometer
Warns if short circuit or not
Warns if short circuit or not
Laser sensor with refl ective
Laser sensor with refl ective
tape included in kit
tape included in kit
Sensor triggers on beam refl ection
10 cm to 2 m nominal
10 cm to 2 m nominal
Dependent on size of refl ective tape
Contact, TTL pulse
Contact, TTL pulse,
Optically isolated input
max, off -state 0.8 V
max, off -state 0.8 V
30 RPM to 300 000 RPM (0.5 Hz
30 RPM to 300 000 RPM (0.5 Hz
›1000 g (10 000 m/s2),
›1000 g (10 000 m/s2),
›1000 in/sec (25 000 mm/s),
›1000 in/sec (25 000 mm/s),
Eff ective limit is sensor sensitivity and
›100 in (2500 mm)
›100 in (2500 mm)
Less than -70 dB typical
Less than -70 dB typical
Other distortions and noise are lower
g or m/s2, in/s or mm/s, mil or
g or m/s2, in/s or mm/s, mil or
0-peak, peak-peak or RMS.
mm or μm adB, vdB
mm or μm adB, vdB
Auto-scale by 1000x when required
US & SI options for both adB & vdB
Overall RMS value, dual
Overall RMS value, dual
cursors, harmonics
cursors, harmonics
Digital readouts on chart
For DC level (%F.S.) & AC measured at 100 Hz
Acceleration and velocity. From value measured
25, 50, 100, 125, 150, 200, 300,
25, 50, 100, 125, 150, 200, 300,
400, 500, 600, 800,1000, 1200,
400, 500, 600, 800,1000, 1200,
Or equivalent CPM values
1600, 2000, 2500, 3000, 4000,
1600, 2000, 2500, 3000, 4000,
Or orders-based from 1X to 999X
vb instrument zeroes all spectral lines below Fmin
3200 lines max. for dual channel measurements
Linear scale with zooming
Acceleration, velocity or
Acceleration, velocity or
Linear or log scales, auto or manual scaling
Dependent on Fmax and number of lines
Increases sampling time proportionally
160 ms to 32 seconds
160 ms to 32 seconds
Or orders based from 1 to 999 revs
Only available when tachometer triggered
Logging Features
Data storage
Data storage structure
Folders / machines / points /
Folders / machines / points /
Folders / machines / points /
Folders / machines / points /
locations /routes
locations /routes
locations /routes
locations /routes
10 000 measurement locations
10 000 measurement locations
10 000 measurement locations
10 000 measurement locations
Direct print reports
Via Ethernet to PCL-enabled
Via Ethernet to PCL-enabled
2 planes, 2 sensors
2 planes, 4 sensors
Acceleration, velocity,
Acceleration, velocity,
Angle 0° to 360°, fi xed position,
Angle 0° to 360°, fi xed position,
circumference arc
circumference arc
Remove trial weights
Manual data entry
Against machines in data
Against machines in data
Channel selection
Single or dual channel
Up to 4 channels simultaneous
Display & Communications
480 x 320 pixels (HVGA)
480 x 320 pixels (HVGA)
480 x 320 pixels (HVGA)
480 x 320 pixels (HVGA)
Graphic Greyscale LCD
Graphic Greyscale LCD
Graphic Greyscale LCD
Graphic Greyscale LCD
4.6" x 3.1" (117 x 79) mm
4.6" x 3.1" (117 x 79) mm
4.6" x 3.1" (117 x 79) mm
4.6" x 3.1" (117 x 79) mm
White LED, 4V, 100 Cd/m2
White LED, 4V, 100 Cd/m2
White LED, 4V, 100 Cd/m2
White LED, 4V, 100 Cd/m2
Communications with PC
Battery & Charger
Custom Lithium Ion pack,
Custom Lithium Ion pack,
Custom Lithium Ion pack,
Custom Lithium Ion pack,
Internal charging,
Internal charging,
Internal charging,
Internal charging,
automatic control
automatic control
automatic control
automatic control
(252 x 148x 60) mm
(252 x 148x 60) mm
(252 x 148x 60) mm
(252 x 148x 60) mm
2.7 lb (1.2 kg) including battery
2.7 lb (1.2 kg) including battery
2.7 lb (1.2 kg) including battery
2.7 lb (1.2 kg) including battery
14 °F to 122 °F (-10 to 50) °C
14 °F to 122 °F (-10 to 50) °C
14 °F to 122 °F (-10 to 50) °C
14 °F to 122 °F (-10 to 50) °C
Storage Temp & Humidity
-4 °F to 140 °F (-20 to 60) °C,
-4 °F to 140 °F (-20 to 60) °C,
-4 °F to 140 °F (-20 to 60) °C,
-4 °F to 140 °F (-20 to 60) °C,
IP65 / 4' (1.2 m) drop onto
IP65 / 4' (1.2 m) drop onto
IP65 / 4' (1.2 m) drop onto
IP65 / 4' (1.2 m) drop onto
concrete / MIL-STD-810F-IV
concrete / MIL-STD-810F-IV
concrete / MIL-STD-810F-IV
concrete / MIL-STD-810F-IV
Hazardous Locations
CSA Class I, Division 2 (Groups
CSA Class I, Division 2 (Groups
CSA Class I, Division 2 (Groups
CSA Class I, Division 2 (Groups
Recording Types
Route enabled
Time Synchronous Averaging
Cross-channel phase
Folders / Machines
Folders / Machines
No limits are applied, 50 character names
10 000 measurement locations
10 000 measurement locations
Via Ethernet to PCL-enabled
Via Ethernet to PCL-enabled
2 planes, 2 sensors
2 planes, 4 sensors
Acceleration, velocity,
Acceleration, velocity,
Angle 0° to 360°, fi xed position,
Angle 0° to 360°, fi xed position,
e.g. weights on fan blades, linear dist around
circumference arc
circumference arc
Removed weight automatic recalculation
Allows re-entry of previous balance jobs
Against machines in data
Against machines in data
No limits are applied
Single or dual channel
Up to 4 channels simultaneous
480 x 320 pixels (HVGA)
480 x 320 pixels (HVGA)
Graphic Greyscale LCD
Graphic Greyscale LCD
4.6" x 3.1" (117 x 79) mm
4.6" x 3.1" (117 x 79) mm
White LED, 4V, 100 Cd/m2
White LED, 4V, 100 Cd/m2
Route/Measurement transfer and Profl ash
fi rmware upgrade
Save folders to USB fl ash drive
Custom Lithium Ion pack,
Custom Lithium Ion pack,
Backlight on (60 second timeout)
Internal charging,
Internal charging,
External Power pack 12 V DC, 3 A output,
automatic control
automatic control
3 hours for complete charge
(252 x 148x 60) mm
(252 x 148x 60) mm
2.7 lb (1.2 kg) including battery
2.7 lb (1.2 kg) including battery
14 °F to 122 °F (-10 to 50) °C
14 °F to 122 °F (-10 to 50) °C
-4 °F to 140 °F (-20 to 60) °C,
-4 °F to 140 °F (-20 to 60) °C,
IP65 / 4' (1.2 m) drop onto
IP65 / 4' (1.2 m) drop onto
concrete / MIL-STD-810F-IV
concrete / MIL-STD-810F-IV
CSA Class I, Division 2 (Groups
CSA Class I, Division 2 (Groups
Bently Nevada, Inc
GE Energy (New
Zealand) Ltd
Suite 12, Knoxville
Level 2, 22 Moorhouse
Ave, Christchurch
Tel: 865 588 2946
Fax: 865 588 2949
Tel: +64 3 943 0701
USA toll free: 877 582 2946
Fax: +64 3 943 0727
* Acceleration, Velocity, Displacement and Current units only.
Ascent®, vbSeries®, vbOnline® and Commtest® are registered trademarks and vb5™, vb6™, vb7™,
vb8™, vbBalancer™, vbBalancer+™ and 6Pack™ are trademarks of GE Energy (New Zealand) Ltd.
All product specifi cations are subject to change without notice.
GE Energy (New Zealand) Ltd. All rights reserved.
Source: http://www.cstonline.cl/archivos_upload/13235354133.pdf
Doi:10.1016/j.jcis.2007.09.008
Journal of Colloid and Interface Science 316 (2007) 762–770 Structure and size of spontaneously formed aggregates in Aerosol OT/PEG mixtures: Effects of polymer size and composition M. Mercedes Velázquez Margarita Valero Francisco Ortega J. Benito Rodríguez González a Departamento de Química Física, Universidad de Salamanca, E-37008 Salamanca, Spain b Departamento de Química Física I., Facultad de Ciencias Químicas, Universidad Complutense de Madrid, E-28040 Madrid, Spain
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Revista Mexicana de Ciencias Agrícolas Vol.6 Núm.4 16 de mayo - 29 de junio, 2015 p. 815-825 Cnidoscolus chayamansa hidropónica orgánica y su capacidad hipoglucemiante, calidad nutraceutica y toxicidad* Cnidoscolus chayamansa organic hydroponic and its hypoglycemic capacity, nutraceutical quality and toxicity