panel meter Accuracy: Class1.0,1.5,2.5 panel meter(analog voltage panel meter,voltage meter)Technical data:Accuracy:class1.0,1.5,2.5Relative humidity:25 and 80Endurance:AC45-65HZ 2KV 1minTransport temperature:-30~55Ambient temperature:23±10External magnetic field:0.4KA/mInstallation position:vertical±10ºThe standard accords to IEC51 voltage panel meter