... times/Sec..3) Reliable performance,simple installment,dedication.4) Big LED display, range: -1999--9999, Decimal point can be set freely ... , Digital Adjustor,thermocouple (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer, Voltage Meter, Ampere Meter, Counter, Tacho Meter ... : 086-13217608016(Barbara Guo) 086-13435730867(Peter Liao) DP3 series LED Ampere meter