... the analyzer of the solar junction box, is a universal measurement and analysisdevice for the equipement in the solar junction box. ... conponents are isolated Hall sensor; 2)They accept Positive and negative junction;3)With special photovoltaic fuse, DC1kV withstand ... ,DC 0(4)~20mA,DC 0~10V general technical parameterstemperature and humidityWorking temperature : -25~+60°C, humidity 95%, the ...