Automatic identification of zeners, avalanche diodes, VDRs, TVS's Selectable test currents: 2mA, 5mA, 10mA and 15mA Test voltages are below levels described in the Low Voltage Directive 2006/95/EC, measures breakdown voltage (0.00V to 50.00V) with a resolution as fine as 20mV Fitted gold plated crocodile (alligator) clips. Full 1 year Manufacturers Warrenty Peak Atlas ZEN50 Diode Tester