... 3) Accuracy: 0.2%.4) Display: 2 or 3 line 4 digits LED display, easy to read.5) Application: ... Temperature Controller, Digital Adjustor, thermocouple (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer, Voltage Meter, Ampere Meter, Counter, Tacho Meter, Frequency Meter, flowmeter, ... -13217608016(Barbara Guo) 86-13435730867(Peter Liao). DH series Digital Voltage and Ampere meter