DIFFER THE MAGNATIC AND NONMAGNETIC METALS
BLACK SEISMIC ABS PLASTIC
● Product material: black, seismic ABS plastic.
● Alarm prompt: sound or vibration.A long tone and vibrato, voice alarm audio vibration alarm by continuous vibration and gaps.
● Identify tip: long tone is black metal, tremolo for non-ferrous metal.Continuous vibration for ferrous metals, clearance vibration for non-ferrous metal.
● Signal hint: more than 10 color LED display light signal according to the size of the metal content in proportion to render the signal.
● The working instructions: while light is lit up, the color is blue.
● Fault indicator: work light is not bright.
● Power supply system: 9V dry battery or 9 v nimh batteries.
● Protection grade: IP31
● Working temperature: - 40 ∽ + 80 ℃
● Relative humidity: 0-95%, without condensation.
● Operating frequency: 16 KHZ
● Product weight: 200g
● Appearance size: 350 (L) x50(W)x 30 mm (H)
● Packing standard: 25 units