USB 4~20mA DC Current Loop Data Logger Recorder LED Alarm

Features:
Able to measure and store up to 32,000 DC current data.
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 create and customize new unit easily and freely.
Able to customize compound graph from selected logging data by inputting formula.
Able to name each channel and enable / disable specified channel freely.
Able to enter a password to set data download limit.
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.
Ultra-portable design, easy to use.

Note:
1. Before getting started, users need to install USB driver and DGraph software, provided on the CD which is included in product packing box.
2. All the software can run under Windows XP, Vista, 7 or 8 (32 bit and 64 bit Versions).

Specifications:
Material: ABS, PC
Color: Blue
DC current measurement range: 4~20mA
Accuracy: ±1%±1count
Resolution: 0.05mA
Memory capacity: 64KBytes
Sample rate: 1 second to 12 hours
Internal input impedance: 120 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 Current Loop Data Logger
1 * CD
1 * User Manual (English)