3.7V DIY Transistor Graphic Tester LCD Digital Multimeter Diode Inductor Capacitor ESR Meter + Shell

Description The tester uses 3 7V rechargeable lithium battery battery model 14500 powered portable design but you can use the T MINIUSB outlet to charge the battery and power the system for a long time in the indoor use of more economical and convenient eliminating the need always to be replaced battery of economic input Features 1 One key measurement operation auto power off delay Shutdown current is only 20nA support for battery operation 2 Automatic test PNP and NPN bipolar transistor N P channel MOSFET JFET FET diodes two diodes thyristors resistors capacitors inductors 3 Automatic test pin definitions 4 Measuring the current amplification factor B of the bipolar transistor and the turn on voltage of the emitter junction Uf 5 Darlington transistor amplification factor can be identified by the high threshold voltage and high current 6 It can te bipolar transistors and MOSFETs internal protection diodes and displayed on the screen 7 Measuring the threshold voltage and the gate capacitance of the MOSFET 8 Support two resistance measurements the potential can be measured If the potentiometer is adjusted to its end the tester can not distinguish between the middle and the ends of the pin 9 Resistance measurement resolution is 0 1 ohms the maximum value of 50M ohms measurements Capacitance measurement range from 25pf to 100mF 10 UF 10 Resolution up to 1 pF inductance measurement range 0 01MH 20H otherwise it will appear as a re