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SSN-31 INTRODUCTION This data logger can measure and store DC Voltage readings automatically. The professional applications can be provided by the PC software DGraph. Logger status, alarm indication and low battery indication are via flashing red/green LED and yellow LED. The button on housing can be used to start logging, or confirm and clear LED alarm when LED alarm is hold status.
User can plug data logger straight into PC's USB port without any cables. Before getting started, user need to install USB driver and DGraph software, provided on the CD which is included in product packing box. All the software can run under Windows XP, Vista, 7 or 8(32 bit and 64 bit Versions). User can easily use DGraph software to setup sample rate, high/low alarm limit and start/stop method, and download data to PC, etc.. And then user can view, analyse and print the data, or export other file formats (txt, xsl, csv, bmp, jpg).
Especially, for some professional applications, user can set access password, name each channel, enable/disable specified channel, input calibration data for each channel, disable LED indication for saving power, and select sample mode(Instant, Average, Maximum and Minimum), etc..
FEATURES Portable, precise, compact and low cost Easy to log and analyse data Unique and uniform PC software DGraphcan meet your higher requirements Elaborate design makes it perfectly work in more application field Strict design ensure long term reliable work Enhanced electrostatic protection design to prevent unexpected damage Each unit have single serial number identified by DGraph software to manage data simply All data from different data logger and all different measurement parameters can be graphed and analysed together USB interface directly communicate with PC for setup and data download User can set access password for data logger User can name each channel and enable/disable specified channel freely LED alarm enable/disable, LED alarm hold enable/ disable and alarm limit settings for all channels via DGraphTM User can input formula to customize compound line User can create and customize new unit easily and freely Logging status indication via red/green LED and battery status indication via yellow LED Start logging method: Immediately, Button, Delayed User can input two point calibration value for each channel when setup Replaceable lithium battery and logged data are not lost if battery exhausted
SPECIFICATIONS DC Voltage Measurement range: 0 to 30V Accuracy(Typ.): ±1%±1count Resolution: 0.04V Memory Capacity: 64KBytes Sample Rate: 1sec. to 12hr. Start Method: Immediately, Start by button, and Start at date&time Stop Method: Stop when memory full, overwrite when memory full, stop by button and stop until specified number of sample points finished Sample Mode: Instant (default), average, maximum and minimum, This will decide how to dispose data at idle time between a sample interval Button: Software config to start logging by button, or clear and reset LED alarm when LED alarm is hold LED: Red&green LED, Logger Status indication(Include Delay to Start, Logging, Alarm, Finished) (Software can disable this two LED for saving power) Yellow LED, Low battery indication Alarm: User programmable high or low alarm limit for each channel(If necessary); LED alarm and hold Communication: Direct USB connection; Need to install the driver provided on CD PC Software: DGraph software and USB driver required (Included on CD)(Compatible with Windows XP, Windows Vista, Windows 7&8(32 bit & 64bit Versions)) Power Supply: User replaceable 1/2AA 3.6V Lithium Battery 1200mAh Battery Life: Approx. 3 Years at 1 Minute Sample Rate Internal Input Impedance: R1+R2=1.1MΩ+91KΩ Operating Range: 0 to 100%RH -35 to 80ºC(-31 to 176ºF) Storage Range Recommended: 20 to 60%RH 10 to 50ºC(50 to 122ºF) Case Material: ABS Dimensions; 130mm×37mm×23mm(5.1"×1.5"×0.9") Weight: Approx. 69 grams(2.43oz) Standard Compliance: CE
