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JZK 150mm plastic electronic digital vernier gauge caliper ruler measuring tool with LCD display. This is for a high quality 6 150mm electronic digital vernier caliper. It is made from plastic and has an extra large LCD display screen so you can easily read the measurements. Readings can be displayed in either millimetres or inches…
Portable electronic diamond tester pen for diamond, sapphire, ruby, crystal, agate, jade, gems multi gemstone precious stones hardness test tool, Diamond Selector II V2 If the number of lights equal or exceed 9, and it beeps, it means the diamond is true. If the number of lights is 9 and it beeps, it means the…
Max.display: 1999, 3 1 2 digitsRange selection: Manual rangePolarity: Automatic polarizationOverload indication: Only digit 1 on the displayDC voltage: 200 mV 2V 20V 200V ± (0.5% + 2)600V ± (0.8% + 2)Alternating voltage: 200 V 600 V ± (1.2% + 10)DC: 200μA 2mA 20mA ± (1.0% + 2)200mA ± (1.5% + 2)10A ± (3.0% +…
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