The recorder is a precision measuring instrument with perfect definition, high precision, and reliable, multi-functions, ease operated by using unique heat-printing record and advanced technology of microprocessor controlling. It can be recorded and printed uninterrupted. The every channel of the recorder can select receive a few kinds of thermocouple, resistance, voltage and electric signal directly. The measured signal can be displayed by data and also can be effected trend recording as well as data recording. This meter can record the scale number, time and every signal curve on 100mm width paper, and also can print numbers by every channel track. It can set the kind of signal, position of decimal point, display range, record borderline, alarm scale, round error, correct system error, record ruler, time interval, chart speed and contrast via keyboard operation and also can save all the setting results. The recorder is widely used in medicine, petroleum, chemistry, metallurgy, electric power and research institution.