3-Axis G-Force Datalogger User's Guide Model VB300

3-Axis G-Force Datalogger User's Guide Model VB300
User's Guide
3-Axis G-Force Datalogger
Model VB300
Congratulations on your purchase of the VB300 G-Force Datalogger. The Model VB300 can measure and record
shock and vibration (acceleration) readings over its ± 18g measurement range. This device will record 3-axis
g-force and related peaks to provide a history of shock and vibration conditions. The real time clock provides time
stamps for all data.
The user can easily configure the logging rate, high/low alarm and start-mode, and download the stored data by
plugging the VB300 into a PC's USB port and running the supplied PC software. Measurement data can be plotted,
printed and exported for use with other applications such as word processors and spreadsheets. The data logger
is supplied with a long-life 1000 hour lithium battery.
The VB300 memory uses a 4MB Flash device that can hold 168042 Normal recordings or 112028 Motion
Detection recordings per axis.
This meter is shipped fully tested and calibrated and, with proper use, will provide years of reliable service.
Records 3-axis g force shock and vibration
Built-in accelerometer
Measures static and dynamic acceleration
Real time operation (time stamped data)
Normal and Motion detection mode
Real time FFT frequency analysis
Manual and Automatic datalogger start modes
Selectable data sampling rate
Status Indication via Red and Green LEDs
USB Interface for Set-up and Data Download
User-Programmable motion thresholds
Long battery life - 1000 hours
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Meter Description
1. USB connector
4. Datalogger Start / Stop Button
5. Axis reference diagram
Note: Battery compartment access screws (2) located on rear of unit. Refer to the battery installation section for further details.
Pedestal Mount Description
1. Mounting screw holes
2. Swivel latch
3. Swivel latch lock
4. Mounting magnets
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Mounting the VB300
The VB300 fits securely in the supplied mounting pedestal. Unscrew the pedestal latch and snap the VB300 into the
pedestal. Secure the latch and follow one of the mounting methods below. There are three mounting methods for
affixing the pedestal to the area under test:
1. Magnetically: Powerful magnets are built into the rear of the pedestal
2. Adhesive: Use glue (not supplied) to affix the pedestal to the area under test
3. Screws: Three mounting holes are provided on the pedestal for screw mounting (screws not supplied)
LED Status Indication
LEDs not flashing
-No logging in process
-No battery found
- Install battery
-Battery completely discharged
- Replace the battery and
download the data
Press and hold the datalogger
Start/Stop button on the VB300
until the red LED flashes four
times to stop logging
If the unit is datalogging it will
stop automatically. The Data will
NOT be lost. Replace battery
Green single flash every 10 sec. *
-Logging, no alarm**
Red single flash every 30 sec. *
-Low Battery
Red and Green alternating flashing
every 60 seconds;
-Datalogger memory is full
-Download data
To save power, the VB300’s LED flashing cycle can be changed to via the supplied software.
To save power, alarm LEDs for temperature can be disabled via the supplied software.
When the battery is low, all operations will be disabled automatically. NOTE: Logging automatically stops
when the battery weakens (logged data will be retained).
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Datalogging Software Program
Install the supplied WindowsTM PC Datalogger Software by placing the supplied program disk in the PC’s CD-ROM
drive. If the installation program does not automatically open and provide on-screen prompts (as shown in diagram
below), open and browse the CD-ROM drive, then find and double-click on the SETUP.EXE file included on the
program disk. Follow the on-screen prompts as shown below to complete the installation.
Before running the datalogger software, please connect the VB300 to the PC and install the USB Driver software as
described in the next section.
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The PC will prompt for the USB Driver installation immediately after the main software program is installed. A
window similar to the one shown below will appear to prompt for the installation. Simply click INSTALL to continue.
To install the driver manually, plug the VB300 into an available USB port on the PC. If this is the first time that the
VB300 is connected to the particular port on the PC, the following screen will appear:
Make sure the program disk is still in the PC CD-ROM drive. Select the ‘recommended’ installation and follow the
on-screen prompts to complete the driver installation. If this is a repeat connection of the VB300 to the USB port,
the driver installation process will be automatically skipped.
With the VB300 inserted in the PC’s USB port, double-click the program icon (located on the desktop) to launch the
program. The main software screen will appear.
Instructions for using the Datalogger Software are contained in the HELP Utility available from the HELP menu in
the software program. Please read the HELP Utility thoroughly in order to fully understand the software and the
related functionality of the VB300.
When the VB300 is connected to the USB port, its battery discharges at a higher rate than normal. To
conserve battery life, do not leave the VB300 connected to the USB port for a prolonged period of time.
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Basic Datalogger Operation
This section covers only the starting and stopping of the Datalogger’s recording functions. All other information is
provided in the HELP utility within the software program.
1. Configure the Datalogger’s sample rate, motion detection threshold, record mode, LED flash cycle and more
using the supplied software program. Refer to the instructions included in the software program’s HELP utility
to configure the datalogger and to otherwise use the software.
2. If AUTO start is selected in the software, the datalogger will begin logging data the moment the software
window is closed. If MANUAL is selected, press and hold the datalogger start/stop button until the green LED
flashes; the datalogger LED flashes periodically (flash interval time selectable in software) indicating that the
datalogger is recording.
3. To stop datalogging, press and hold the start/stop button while the unit is datalogging. The red LED will
quickly flash indicating that datalogging has stopped. Refer to the LED status table earlier in this manual for
interpreting the LED flash information.
4. Refer to the software HELP utility for transferring the data from the logger to the PC.
The axis (or combination of axis) parallel to the earth surface will indicate the 1g force related to gravitational
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Range: ± 18g
Resolution: 0.00625g
± 0.5g
Frequency Range
0 to 60Hz
Datalog Memory
4MB Flash stores 168042 Normal recording records or 112028 Motion Detection
records per axis.
Logging rate
Selectable sampling interval: From 50ms up to 24 hours
Data format
Time stamped peak acceleration and freefall; Average and Peak Vector sums
Computer PC interface
Hardware requirements
8MB RAM; 2MB Hard Drive space for software program; USB jack
System requirements
WindowsTM XP, VISTA, WindowsTM 7 (32 and 64 bit)
Operating temperature
32 to 104oF (0 to 40oC)
Storage temperature
0 to 140oF (-10 to 60oC)
Battery type
3.6V Lithium (1/2 AA) 1.0Ah (Saft LS-14250 or equiv)
Power consumption
1mA (typical, while recording); < 15µA while idling
Battery life
1000 hours approx.
3.7 x 1.1 x 0.8” (95 x 28 x 21mm) / 6oz (172g)
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Battery Replacement
The VB300 does not lose its stored readings when the battery expires or when the battery is replaced. The data
logging process will however be stopped and cannot be re-started until the battery has been replaced and the
logged data has been downloaded to PC.
The battery life is rated for approx. 1000 hours. If in doubt, replace the battery before logging critical data. Use
only 3.6V lithium batteries. Before replacing the battery, remove the datalogger from the PC.
Note: When the VB300 is connected to the USB port, its battery discharges at a higher rate than normal. To
conserve battery life, do not leave the VB300 connected to the USB port for a prolonged period of time.
1. Remove the two Phillips screws identified with the two smaller arrows in the diagram below.
2. Slide the battery compartment cover in the direction of the larger arrow.
3. Replace the battery with one of the same type (3.6V lithium, ½ AA 1.0Ah, Saft LS-14250 or equiv).
4. Close the battery compartment and tighten with the two screws.
WARNING: Handle lithium batteries carefully, observe warnings on battery casing. Dispose of in accordance with
local regulations.
EXTECH INSTRUMENTS CORPORATION (a FLIR company) warrants this instrument to be free of defects in parts and workmanship for one
year from date of shipment (a six month limited warranty applies to sensors and cables). If it should become necessary to return the
instrument for service during or beyond the warranty period, contact the Customer Service Department for authorization. Visit our website
www.extech.com for contact information. A Return Authorization (RA) number must be issued before any product is returned to Extech. The
sender is responsible for shipping charges, freight, insurance and proper packaging to prevent damage in transit. This warranty does not apply
to defects resulting from action of the user such as misuse, improper wiring, operation outside of specification, improper maintenance or
repair, or unauthorized modification. Extech specifically disclaims any implied warranties or merchantability or fitness for a specific purpose
and will not be liable for any direct, indirect, incidental or consequential damages. Extech's total liability is limited to repair or replacement of
the product. The warranty set forth above is inclusive and no other warranty, whether written or oral, is expressed or implied.
Calibration and Repair Services
Extech offers repair and calibration services for the products we sell. Extech also provides NIST certification for most products. Call the
Customer Service Department for information on calibration services available for this product. Extech recommends that annual
calibrations be performed to verify meter performance and accuracy.
Support lines: U.S. 877-439-8324, Intl. 603-324-7800
Technical support: Option 3; E-mail: [email protected]
Repair & Returns: Option 4; E-mail: [email protected]
Product specifications subject to change without notice
Visit our website: www.extech.com
Extech Instruments Corporation, 9 Townsend West, Nashua, NH 03063
ISO 9001 Certified since 1995
Copyright © 2010 Extech Instruments Corporation (a FLIR company)
All rights reserved including the right of reproduction in whole or in part in any form.
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