① use128×64Dot matrix LCD screen. Chinese character menu, recording and curve display functions ；

② Basic error is better than±0.2％F·S.16positionA/Dconverter. Measurement and control cycle0.2Seconds, can be increased to0.1In seconds.8Segment line function;

③ Anti interference design, suppressing fast pulse group interference and other electromagnetic interference generated by relays, contactors, etc. on site, achieving anti-interference capabilityIIIlevel ；

④ The input signals include thermistor, thermocouple, DC current, DC voltage, remote pressure gauge, etc