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SDI 3340 G-Logger front
SDI 3340 G-Logger back
SDI 3340 G-Logger Datasheet
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SDI's Model 3340 G-Logger® is a low-cost, stand-alone portable data acquisition systems with the same powerful monitoring, FFT analysis, and display capabilities typically found in much more expensive systems.  The 3340 gives users a quick, powerful, and comprehensive real-time data stream with fast setup at a very affordable price.

  • Start and stop data acquisitions with button and/or schedule

  • Collect information on peak

  • View a list of peak events and event data in any display mode

  • Add a GPS module to also collect GPS data

  • Uses internal battery power, external power packs or AC power

  • Compatible with all of Silicon Designs industrial accelerometers

  • Automatic and manual calibration routines via +/-1G flip

  • Adjustable filters and FFT for live or post collection data analysis

  • Included software features familiar and convenient user interface built on a LabView platform

  • Three input channels for three 1- axis modules or one 3-axis module

  • 16-bit sample rates from 1 to 10,000 samples/second per axis

  • Automatic setup in less than 5 minutes upon wiring of Silicon Designs accelerometer modules

The 3340 G-Logger® Data Acquisition System is the advanced version of SDI’s Model 3330.  The 3340 incorporates all the powerful functions of the 3330, plus the 3340 is:

  • Powered by USB, AA batteries, or an AC power supply via a USB cable

  • Programmable for scheduled monitoring

  • Includes event detection and isolation during playback

  • Supports optional GPS data collection


The 3340 is the ideal tool for quick and simple evaluation of vibration and movement for use exclusively with SDI accelerometer modules and chips in test sockets.  It features three channels for input, which allows for one tri-axial module or up to three single axis modules, or pair with the SDI EB-L or EB-J Test Set​.  It also supplies all the power needed for the accelerometers, so no additional power source is needed. 


The included software features a user interface built on a LabView platform.  The 3340 acquires accelerometer data and graphically displays it simultaneously in three different formats, either in real-time or from a previously acquired data file:

  • Data versus time, like an oscilloscope

  • Spectrum, which shows magnitude versus frequency (FFT)

  • Meters, which show current measurements such as DC, RMS, and peaks


Expand or contract the time scale of the display window to see fine details or aggregate data, and pause, fast forward, or rewind the data as desired.  Record directly to a computer or a class 6 or higher SD memory card in 16-bit sample rates from 1 to 10,000 samples/second per axis.  


Automatically or manually configuring the 3340 with SDI accelerometers takes under 5 minutes, or SDI can preconfigure your 3340 at the time of purchase.  The 3340 software automatically populates the standard calibration data for compatible SDI accelerometers, or easily enter the specific data for individual accelerometers for absolute precision.  The 3340 also can perform calibration checks on demand at any time in an accelerometer’s life cycle to verify the calibration data using a simple +/-1G flip. 


Download the complete User Manual for a detailed explanation of all the features and function of the 3340.


SDI Accelerometer Apps



Case Size                            5.5" x 4.25" x 2.5"

Weight                                 425 grams / 15 oz. + batteries

Case Material                     Die Cast Aluminum, Plastic



Connection                         25 Pin Female D-Sub

USB Connection                 Micro USB (B)

Memory Type                     SD Card, Micro SD w/ Adaptor

Max SD Card Size              32 GB


Operating Temperature               0°C to +55°C  (max)

Storage Temperature                   -40°C to +85°C (max)

Humidity                                        0% - 90% Non-condensing


Operating Systems                      Windows 10, 8, 7, XP

Host Connection                           USB2 Type A

Power Supply                               Via USB Cable

Max Power Consumption            750 mW

TCP/IP Remote Operation           Network Connection Req.

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SDI 3340 G-Logger Datasheet
SDI 3340 G-Logger User Guide
SDI 3340 G-Logger Quick Start Guide
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