pen type digital multimeter with non-contact voltage indication

accessories accuracy alternating apparatus auto background beige black button cable calibration closeup contact current detail detector device digit digital diode direct display dmm electrical electronics electrotechnics electrotechnology engineer engineering expert finger gauge gray green hand hold human indicator industry information instrument isolated letters logic measurement measuring multimeter multitester non nopeople number occupation ohmmeter pen pink probe range red resistance signal skilled support technical technology test tester testing tool type voltage white work yellow