USB Portable Economical Temperature Humidity Data Logger

Description

SSN**2 INTRODUCTION
This data logger measures and stores temperature and humidity readings. Some 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 PCs 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(*2 bit and *4 bit Versions). User can easily use DGraph software to setup sample rate(from *0 seconds to *2 hours), 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.

APPLICATIONS
This data logger is used mainly to monitor and verify humidity&temperature-sensitive goods, equipment or areas. Example:
Cold Chain Refrigeration Transportations HVAC Food&Pharmaceutical Warehouse

FEATURES
Portable, precise, compact and low cost
USB interface directly communicate with PC for setup and data download
Unique and uniform PC control software: DGraph
Each unit has single serial number
User can set access password fo each data logger
Alarm and status indication via LED
Start logging method: Immediately, Button, Start at
Replaceable lithium battery and data is not lost if exhausted
Two point calibration for each channel
Start logging method: Immediately, Button, Start at
Replaceable lithium battery and data is not lost if exhausted
Alarm and status indication via LED
Alarm limit settings for all channels
User can customize compound graph
User can customize new unit easily
User can name each channel and enable/disable it

SPECIFICATIONS
Measurement Range: **5 to *0?(**1 to **6?); 0 to **0%RH
Accuracy(Typ.): 0.3?(0. 5?); 3%
Resolution(Typ.): 0.1?(0.2?); 0.1%
Memory Capacity: *4KBytes(Total *2,**0 readings)
Sample Rate: User selectable from once every *0 seconds to once every *2 hours
PC Software: DGraph software and USB driver required (Included in CD)
Power Supply: User replaceable 1/2AA 3.6V lithium battery, ***0mAh
Battery Life: Approx. 3 *@********************e
Dimensions: **0mm*7mm*3mm(4.8"1.5"0.9")
Case Material and Weight: ABS; Approx. *0 grams(2.*2 oz)