Docooler USB DC Voltage Data Logger Recorder LED Alarm 0~30V

Features:
Able to easily set the records, download data and then display and analyze the data curve by powerful software DGraph.
Able to set the record alarm values by DGraph: when the data is over the limit of the recorder, alarm is active via LED.
Able to setup sample rate (from 1 second to 12 hours).
Able to choose sample mode: instant (default), average, maximum and minimum.
All data from different data loggers and all different measurement parameters can be graphed and analyzed together.
Three ways to start logging: immediately, start by button, start at date & time.
User can input two point calibration value for each channel when setup.
Logger can be used as a portable measuring instrument when in non-recording mode.
Logger status, alarm indication and low battery indication via LED light.
USB interface, directly connected with PC for setup and data download.
Powered by replaceable lithium battery, logged data will not lost when no power.
Specifications:
Material: ABS, PC
Color: Blue
DC voltage measurement range: 0~30V
Accuracy: ±1%±1count
Resolution: 0.04V
Memory capacity: 64KBytes
Sample rate: 1 second to 12 hours
Internal input impedance: R1+R2=1.1Megohm+91Kilo-ohm
Power supply: 1 * 1/2AA 3.6V 1200mAh lithium battery (not included)
Battery life: 3 years
Operating range: 0~100%RH; -35~80Centigrade (-31~176Fahrenheit)
Storage range: Recommended: 20~60%RH; 10~50Centigrade (50~122Fahrenheit)
Logger size: 13 * 3.7 * 2.5cm / 5.1 * 1.5 * 1in Logger weight: 56g / 2oz
Package size: 17 * 11 * 5cm / 6.7 * 4.3 * 2in
Package weight: 166g / 5.9oz
Package including:
1 * DC Voltage Data Logger 1 * CD 1 * User Manual (English)