Hioki leads the industry in non-metallic contact test and measurement technology that promotes safety on the worksite. The Hioki 3481 is a pen-style, non-metallic contact voltage detector with a bright LED light that promotes safety and work efficiency even in dim worksites. When voltage is detected, the LED lights red along with an audio signal. Basic specifications Measurement function Voltage detection Operating voltage range 40 V to 600 V AC (When brought into contact with a 2 mm^2 insulated cable equivalent to 600 V polyvinyl chloride insulated wire)Maximum sensitivity variable range 40 V to 80 V AC (80 V at the time of shipment) Operating frequency 50 Hz/ 60 Hz Pilot light Red LED lights up and the buzzer sounds when the wire is live Battery check White LED is dim or out when the batteries are low. Auto power off The power will be turned off automatically if the instrument remains idle for 3 minutes after the power is turned on. Power supply LR44 button alkaline batteries ×3, Continuous use: 5 hr (Power ON standby state) Dimensions and mass 20 mm (0.79 in)W× 126 mm (4.96 in)H× 15 mm (0.59 in)D (excluding projections), 30 g (1.1 oz) (including LR44 button alkaline batteries) Accessories Instruction manual ×1, LR44 button alkaline batteries ×3 (for trial purposes only)
