... 3.Good service 4.reasonable price MTQ Series Ampere-hour MeterProduct usageSuitable for measuring the electroplating, electrochemical oxidation and ... .With alarm, stop, automatic liquid pump interface.3.ⅡAmpere hour for single project design, multi-range, with alarm, stop ... , automatic liquid pump interface.4.Ⅲ Ampere-hour meter quantitative process design, stand-alone single-use, simple ...