Product Details:
Power Voltage : 220VAC±10% 50/60Hz 24VAC/DC±10%
Sensing range : 20~1500uH
Reaction time : 100ms
Frequency : 2 degrees selections
Indicator Power indicator : Red LED , Status indicator: Green LED
Internal protection : Isolation Transformer, Voltage Regulator Tube, Voltage Dependent Resistor
Operating temp : -40?~80?