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data logger

Please note that the X2-5, X16-5, X200-5, X16-1E and B1100 products are not in stock at this time. GCDC can not produce these products due to the supply chain issues of 2022 and the obsolescence of critical semiconductor components. We are in the process of redesigning this product family to use new and improved components. Contact for updated status of our product development efforts. In the meantime, please check our other products, such as the HAM logger, or the MEL logger, or the new IMU-GPS logger.

High-Sensitivity 2g USB Accelerometer X2-5

The X2-5 is our newest high sensitivity data logger incorporating the Analog Devices ADXL355 digital sensor. The ADXL355 sensor is a significant improvement over the Kionix KXRB5-2050 sensor used in the previous X2-2 logger. The X2-5 offers 20-bit resolution, 2g/8g range, selectable sample rate up to 2000 Hz, and digital filtering options. The logger operates from an internal 500mAh lithium-polymer rechargeable battery that recharges when connected to a USB port. The X2-5 acts as a USB Mass storage device (like a USB flash drive) when connected to a computer, which provide quick and convenient access to data files. Data is stored as plain text Comma Separated Values format (.csv), ready to be imported into any spreadsheet, word processor, or end user application. Read more about our data logger product-line features.

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  • Low cost, compact size (4"x1"x1")
  • high-sensitivity, low noise 3-axis accelerometer
  • 2g and 8g range modes
  • User selectable sample rates of 4, 8, 16, 31, 62, 125, 250, 500, 1000, 2000 Hz
  • 20-bit resolution
  • Internal hardwired rechargeable Lithium-Polymer battery, charges via USB
  • Push button switch to start and stop data recording
  • Easily readable comma separated text data files
  • Accurate (50 PPM) time stamped data using Real Time Clock (RTC)
  • Micro-resolution feature for 0.1 millisecond timing precision
  • Data recorded to 8Gb microSD card (included)
  • Data transfer compatible with Windows/Linux/Mac via USB interface (no special software required)

For more details, specifications, and how to use the X2-5, please refer to the user manual (.pdf). The user manual includes an example data file and instructions for converting the data and time stamps.

The X2-5 logger is configured using a simple text file called config.txt located on the microSD card. Below is an example:

        ; Example X2-5 Config file
        ; 2g range
        gain = low
        ; set to record constantly at 1000Hz
        samplerate = 1000
        deadband = 0
        ; set file length
        samplesperfile = 192000
        ; LEDs on
        statusindicators = normal
        ; make device start upon USB disconnect 

Data is stored to simple text formatted .csv type files, which are easily imported into any spreadsheet or analysis software (Matlab, Octave, R, etc). Below is a example data file:

                    ;Title,, X2-5, Analog Dev ADXL355
                    ;Version, 1779, Build date, Aug 23 2019,  SN:CCDC10025D82812
                    ;Start_time, 2022-01-02, 00:22:43.050
                    ;Uptime, 1212,sec,  Vbat, 4154, mv
                    ;SampleRate, 1000,Hz
                    ;Deadband, 0, counts
                    ;DeadbandTimeout, 0.000,sec
                    ;Time, Ax, Ay, Az