MAIN CHARACTERISTICS range VIGILOHM range of product VIGILOHM product name VIGILOHM IM device short name IM10 product or component type INSULATION MONITORING DEVICE device application MEDIUM NETWORK earthing system IT language CHINESE COMPLEMETARY CHARACTERISTICS network rated voltage 0...600 V AC 45...440 HZ DEVICE CONNECTED TO NEUTRAL type of measurement NETWORK INSULATION RESISTANCE 0.1 KOHM...10 MOHM local signalling GREEN INDICATOR LIGHT SATISFACTORY INSULATION RESISTANCE threshold setting PREVENT 1 KOHM..1 MOHM time delay range SIGNALLING CIRCUIT 0...300 S response time