... ), used the advanced technology, to be designed high quality and performance, isolated, high accuracy, universal use, to be aimed to monitor ... mV DCetcPhotoelectrical isolation in input, power and output modular, with strong anti-interference ability.High accuracy: +-(0.2%FS+1) ... still run accurately when the power is off with using hard clock in recorder.Boundary dimension:2888288*280mmInstallation ...