It carries signals by three channels at most with the function of 16-segment program PID control.The universe input means could input thermocouple,resistance bulb,standard current and voltage,frequency and provide feed output. Historical data and curves can be printed when it is connected with printer.The data can be read and put in the computer when it is connected with the portable computer or PDA through RS232 interface.Then we can treat with the data through data management software.Through RS485 interface,mointor and control system can be set when equipped with professional configuration software like MCGS. The meter is in strong display functions:high precise rod display, whilst trend curve display,historical curve display,limit-beyond alarm,alarm status display and intelligent review the historical trend there by we can find out the alarm point conveniently.And we can also check the data in certain date conveniently through review fuction. Meanwhile, it could display the set value,test value,valve and hand mark in 16 segments ranging from 0 to 9999 seconds(or minutes)Homepage: .cn/indexe.html