ماژول تستر قطعات الکترونیکی LCRT4 بدون نمایشگر   این برد بدون نمایشگر بوده و مخصوص تعویض برای بردهایی می باشد که میکروکنترلربرد دستگاه دچار مشکل شده اند میکروکنترلر دستگاه پروگرام شده و فقط نیاز به نصب LCD می باشد  معرفی  تستر قطعات الکترونیکی LCRT4 می تواند مقادیر مورد نظر قظعه مورد تست را به صورت خودکار اندازه گیری نماید به همین دلیل استفاده از آن برای کاربر بسیار آسان بوده و برای علاقه مندان به الکترونیک  توسعه دهندگان الکترونیک طراحان و تعمیر کاران الکترویک انتخاب بسیار مناسبی است تستر قطعات الکترونیکی LCRT4 می تواند مقادیر قطعاتی همچون مقاومت خازن سلف دیود ترانزیستور  SCR  MOSFET و  را اندازه گیری کند به کمک این دستگاه می توان نوع قطعه  قطب ها  مقدار HFE ترانزیستور ولتاژ ترشولد و  را تشخیص داد  Introduction  The tester is stable and easy to use which can automatically read out the accurate data and is suitable for electronic enthusiasts electronic developers designers and electronic repair It can measure all kinds of resistance capacitance inductance two tubestransistors SCR MOS field effect tube can determine the device type polar pin output HFEthreshold voltage the junction capacitance of the field effect tube It is particularly suitable for transistor pairing and hybrid surface mount component identification is the best partner of amateur DIYer  1 One key to boot one key test automatic recognition device type automatic switching range automatically shut down after the test 2 Shutdown standby current minimum is only 20na ultra long standby the standby power consumption can be ignored and can be used in battery powered 3 Automatic detecting the PNP and NPN type bipolar transistor N P channel MOSEFT JEFT two level pipe dual two stage tube thyristor SCR SCR three tubes resistors capacitors electric discharge  must be done first before measurement of capacitance the capacitance ESR value 4 Automatic detect pin layout and given a label according to the actual sequence 5 The threshold voltage and current measurement of bipolar transistor amplifying coefficient and the emitter junction leakage current ICE 6 Darlington transistor can be through the high threshold voltage and high current amplification factor identification 7 The bipolar transistor MOSFET protection and detection two tubes and the forward voltage drop Uf  8 To detect threshold voltage VT of MOSFET and measure the gate capacitance value C 9 Detection and transistor and MOSFET protection class two tube magnification and the determination of the base data to confirm emitter transistor the forward voltage  10 Support two resistance measurement at same time and symbol display a maximum of four digit display The display of resistance symbol two end  is the tester probe number connection 13  So the adjustable potentiometer can also be measured if the potentiometer to adjust to its end the tester can not distinguish the middle and both ends of the pin 11 The resistance measurement resolution is 01 ohms the highest measurement value is  50M ohms 12 The highest four digit displaycapacitor capacitance value range from 25pf clock 8M Hz clock 50pf1MHz to 100mF The resolution can reach 1pF 8MHz clock 13 Measure the capacitance the capacitor equivalent series resistance of the 2UF numerical above ESR the resolution is 001 ohms and display two digit numerical 14 Display right direction signs of two two level  and display the forward voltage drop 15 LED detection is two level pipe flashes continuously several times during the testing double emitting two tubes detected as the double diode 16 It can test the zener diode if the reverse breakdown voltage is lower than 45V it shows two pieces diodes and it can be confirmed by the voltage The probe around the diode symbol is the samein this case you can identify the diode true anode by the threshold voltage at 700mV more or less 17It can measure the single diode reverse capacitance values Bipolar transistor also can be measured and then must be connected with the base and collector or emitter 18The connection of the whole bridgerequires can be measured only one time 19 The maximum of capacitor test is 1000000uf the best testing range is 02nF7000uF if the test value is below the 25pf capacitor and a diode in parallel manner or at least 25pf shunt capacitor After get the measured results then use it to minus parallel capacitor solute 20 The inductance test range 001mH20H more than 20H less than 2100 ohm resistance could be identified as inductance the measurement results show only a single inductor and display the inductance value 21 The test time is about two seconds large capacitance and inductance measurement time will be extended as the actual value 22 Automatic shutdown after the test it has been show test results about 3 seconds then shut down 23 It can be extended fixture after testing device this fixture needs self DIY or purchase it  Specification  Product Name Transistor Tester Capacitor Measure