Induction Tube Apparatus With 6 Coils, Tube Dimensions (L X D): 1500 X 20 mm, Coil Width: 10 mm, Distance Between Coils: 19 Cm, Due To The Magnet'S Free-Fall Acceleration Caused By Gravity, The Voltage Peaks Increase Proportionally With The Time.
Range -30/60[degree]C and -20/140[degree]F, Accuracy +/- 1C or +/- 2F. Complete with three distinct arrows displays max, min and current temperatures. Unit is white plastic casing with color coded dual scales and reset knob for fast, multiple applications.