Atec Commtest-VB5 User Manual

Page 2

SPECIFICATIONS

vb5

DATA COLLECTOR

REMARKS

Sensors

Sensor input

1 channel

Compatible sensor types

Accelerometer

AC coupled range

16 V peak-peak

Allows for ± 8 V sensor output

swing (± 80 g)

Connectors

1 x BNC (CH1)

Safety feature: Break-free

inline connector

Analog to digital conversion

24-bit ADC

Sensor excitation current

0 mA or 2.2 mA (configurable),

24 V maximum

2.2 mA required for IEPE/ICP

type accelerometer

Sensor detection

Warns if short circuit or not

connected

Tachometer

Sensor

Laser sensor optional

Sensor triggers on beam

reflection

Laser sensor range

10 cm to 2 m nominal

Dependent on size of reflective

tape

Other sensor types supported

Contact, TTL pulse

Instrument has optically

isolated input

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 RPM to 300 000 RPM (0.2 Hz

to 5 kHz)

Pulse width at least 0.1 ms

Accuracy

+/- 0.1 %

Parameter Indication

Maximum levels

›1000 g (10 000 m/s2),

›1000 in/sec (25 000 mm/s),

›100 in (2500 mm)

Effective limit is sensor

sensitivity and

output voltage

Dynamic signal range

> 95 dB (typical at 400 line

resolution)

Harmonic distortion

Less than -70 dB typical

Other distortions and noise

are lower

Units

g or m/s2 or adB

in/s or mm/s or vdB

mil or mm or μm

0-peak, peak-peak or RMS

Auto-scale by 1000x when

required

US & SI options for both adB

& vdB

Magnitude & cursors

Overall RMS value, waveform

True pk-pk, dual cursors,

harmonics

Digital readouts on chart

Base accuracy

± 1% (approx. 0.1 dB)

% of reading

High Frequency attenuation

≤

0.1 dB 100 Hz to 10 kHz

≤

3 dB >10 kHz to 40 kHz

Attenuation tolerances are in

addition to base accuracy

AC coupling attenuation

≤

0.1 dB 10 Hz to <100 Hz

≤

3 dB 1 Hz to <10Hz

Attenuation due to Integration

≤

0.1 dB 10 Hz to <100 Hz

≤

1.5 dB 1 Hz to <10 Hz

Values apply to single

integration (Accel. to Veloc.),

double the values for double

integration (Accel. to Displ.)

Spectrum Display

Fmax ranges

25, 50, 100, 125, 150, 200,

300, 400, 500, 600, 800, 1000,

1200, 1600, 2000, 2500, 3000,

4000, 5000, 6000, 8000, 10 000,

15 000, 20 000, 30 000,

40 000 Hz

Or equivalent CPM values

Or orders-based from 1X to

999X

Fmin possible range

0 to Fmax

Instrument zeroes all spectral

lines below Fmin

Resolution

400, 800, 1600, 3200, 6400 lines

3200 lines max. for dual

channel measurements

Frequency scale

Hz, CPM, Orders

Linear scale with zooming

Amplitude scale

Acceleration, velocity,

displacement

Linear or log scales

Auto or manual scaling

Window shapes

Hanning, rectangular

Overlap

(0, 12.5, 25, 37.5, 50, 62.5, 75,

87.5) %

Dependent on Fmax and

number of lines

Number of averages

1, 2, 4, 8, 16, 32, 64, 128

Increases sampling time

proportionally

Averaging types

Linear, exponential,

peak hold

Demodulation bandwidths

23 bandwidth options

From 125 Hz to 1250 Hz up to

16 kHz to 20 kHz

6Pack

Up to 40 kHz & 3200 lines

Spectrum and waveform for

low freq, high freq, demod.

SPECIFICATIONS

vb5

DATA COLLECTOR

REMARKS

Waveform Display

Number of samples

1024, 2048, 4096, 8192, 16 384

Time scale

10 ms to 256 seconds

Or orders based from 1 to

999 revs

Data Logging

Output formats

Instrument screen, transfer to

Ascent

, XML

Data storage

Dual 1 GB non-volatile flash

memories

Database mirror copy on

second flash memory

Data storage structure

Folders / machines / points /

locations /routes

No limits are applied,

50 character names

Max folder size

10 000 measurement locations

Display & Communication

Display

Graphic Grayscale LCD

White LED backlight

Resolution & size

480 x 320 (HVGA), 5.5” (140

mm)

Readable in direct sunlight

Supported languages

ENG, FRE, SPA, POR, RUS, CHI

Firmware releases in English,

translations follow

Communication with PC

USB and Ethernet

PROFLASH to upgrade

instrument firmware

USB host port

USB 2.0, supplying 5V, 250mA

Save folders to USB flash drive

Battery & Charger

Battery type

Custom Lithium Ion pack,

7.4 V, 4500 mAh

Operating time

10 hours

Backlight on (60 second

time-out)

Charger type

Internal charging,

automatic control

External Power pack 12 V DC,

3 A output

Charge rate

3 A nominal

3 hours for complete charge

Mechanical

Size

9.9” W x 5.8” L x 2.4” H

(252 x 148x 60) mm

Weight

2.7 lb (1.2 kg)

Including battery and strap

Environment

Operating temperature

14 °F to 122 °F (-10 to 50) °C

Storage temp. & humidity

-4 °F to 140 °F (-20 to 60) °C,

95% RH

If storage exceeds 1 month: Up

to 95 F (35 C), 85% RH

EMC

EN61326

Ruggedness

4’ (1.2 m) drop onto concrete,

IP65

Procedure: 26 drops following

MIL-STD-810F-516.5-IV

Hazardous locations

CSA Class I, Division 2 (Groups

A, B, C, D)

Certification