Esr Meter Durable Capacitor Tester Reliable For Dual Diode Automatic Detection

US $18.85

Shenzhen, China
Aug 24th

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ESR Meter Durable Capacitor Tester Reliable For Dual Diode Automatic Detection This graphical multi function tester is composed of resistance + capacitance + diode + inductor + transistor +mos. LCD 12864 LCD display, with a backlight, backlight color is generally yellow green. Power supply for 9V stacked battery. If for long time power supply, it can use 2 lithium battery composition of 8.4v battery as power supply. Function: *Added boot voltage detection function. *Automatic detection of NPN and PNP transistors, N channel and P channel MOSFET, diodes (including dual diode), thyristor, transistors, resistors and capacitors and other components. *Automatically test the pin of the element and display it on the LCD. *The positive bias voltage of the emitter transistor can be determined by detecting the amplification factor and the base of the transistor, the MOSFET protection diode, etc. *Measurement of gate threshold voltage and gate capacitance of MOSFET. *Display using 12864 LCD LCD (128*64 characters). *Higher test speed, effective component test: in 2 seconds (except for the larger capacitor, the measurement of large capacitance also takes a long time to measure the time for 1 minutes is normal). *One key operation, power on to test, one key to get the work done. *Power consumption off mode: less than 20 nA *Automatic shutdown function can avoid unnecessary waste, save battery energy, improve the life time. Features: 1. Using ATmega8, ATmega168 or ATmega328 micro controller. 2. 2x16 character LCD display results. 3. One key operation, auto power off. 4. Turn off current is only 20nA, support battery operation. 5. Low cost versions do not support crystal, auto power off. 1.05k version of the software ATmega168 or ATmega328 using the sleep mode to reduce power consumption in the absence of measurement. 6. Automatic detection of PNP and NPN bipolar transistor, N, P channel MOSFET, JFET, diode, dual diode, thyristor controlled silicon. 7. Automatic detection of pin layout. 8. The threshold voltage and current measurement of bipolar transistor amplification and emitter junction. 9. Darlington through the transistor can be a high threshold voltage and high current amplification factor identification. 10. For the bipolar transistor, diode detection and protection of MOSFET. 11. The threshold voltage and gate capacitance measurement value of MOSFET. 12. Measurement and symbol support two resistance showed that the highest four digits and the display unit. Resistance symbol display is connected to the tester probe (1-3). It can also measure the potentiometer. If the potentiometer is adjusted to the end of it, the tester can not distinguish between the middle and both ends of the pin. 13. The resolution of the resistance measurement is 0.1 ohm, the highest measured value of 50M ohm. 14. Can be detected and measured by a capacitor. Highest four digit number and unit display. Values can be from 25pf (8MHz clock, 1MHz 50pF@ clock) to 100mF. Resolution up to 1 pF (@ 8MHz clock). 15. The equivalent series resistance (ESR) capacitance value of the capacitor can be measured in the 2UF value. The resolution is 0.01 ohm and the two digit value is displayed. This feature requires at least 16K flash ATMEGA (ATmega168 or ATmega328). 16. Two diodes can display the correct direction of the symbol. In addition, the forward voltage drop is shown. 17. LED is detected as a diode, the forward voltage drop is much higher than the normal. Dual light emitting diode detector for dual diode. 18. Zener diode can be detected if the reverse breakdown voltage is lower than 4.5V. This will be shown as two diodes that can only be determined by voltage. The probe surrounds the diode symbol is the same in this case, you can identify the diode real anode by 700mV near the threshold voltage! 19. If more than 3 diode classes are detected, the number of diodes is built to display additional failed messages. This will only happen if the diode is connected to all three probes and at least one is the type diode. In this case, you should only connect the two probes and start the measurement again, one by one. 20. The capacitance measurement of single diode reverse value. The bipolar transistor can also measure, if you connect the base and the collector or emitter. 21. Only one out of the whole bridge connecting measurement. 22. The 25pf value lower than the capacitor is usually not detected, but with a diode in parallel or at least 25pf shunt capacitor. In this case, you must subtract the capacitance of the parallel part. 23. The resistance of less than 2100 ohms can measure inductance, if your ATMEGA has at least 16K flash. The range will be more than 20H from the 0:01mH, but the accuracy is not good. The measurement results show only a single element connection. 24. The test time is about two seconds, only the capacitance and inductance measurement will take a long time. 25. The software can automatically shut down the number of measurements before setting power. 26. The clock frequency accuracy of 50Hz signal checking built-in self-test function and optional and waits for the call (ATmega168 and ATmega328). 27. Measure resistance optional equipment calibration output port and zero offset self checking capability (ATmega168 and ATmega328). The need for a 100nF to a 20uF capacitor connected to pin 1 and pin offset voltage compensation analog comparator 3. This can reduce the measurement error of 40uF capacitor. A correction voltage reference voltage was found in ADC internal reference measurement to adjust the gain with the same internal capacitor. If the test current exceeds the maintenance current SCR and bidirectional thyristor can be detected. But the current of some semiconductor SCR and triac than the tester can provide higher trigger current. The test current available only about 6mA! Note that all the functions only for program memory more microcontroller as ATmega168. Specification: Weight: 51g / 1.8oz (approx.) Package list: 1 * ESR Meter We accept PayPal . We ship item to your PayPal verified address. Payment must be received within 3 days from the date of purchase. All the items will be dispatched within one business day by Airmail after the payment is clear. Most times you will receive your order within 10-30 business days after we transfer your package to the delivery company. We cannot guarantee the delivery timeframe if the post office has any unexpected delays due to holiday, weather, customs, or other conditions. Some countries like Russia, Brazil, or some European countries may take up to 50 days or longer for delivery. We appreciate your patience if you haven't received items in 30 days(Russian customers may need more patience by reason of the local delivery system and/or customs). If you are concerned in any way, please feel free to contact us via ebay message instead of leaving negative/neutral feedback or opening a dispute. We will do our best to solve any problem(resend or refund any missing item). Customs duty is obligation and liability of citizens in your country, so buyer should be responsible for any tax and custom duty incurred. Generally, the delay or failure delivery is sometimes caused by the policy of different customs. 1. Our listing price includes the value of goods,packaging cost,and export taxes,not including international duties. 2. duties,taxes,and charges are not included in the item price or shipping fee. 3. The duties are buyers' responsibility.Please check with your country's customs office determine what these additional costs will be prior to your purchase. 4. All disputes arising from the duties will be submitted to ebay for solution. 1. Any questions, pls. contact us via ebay message or email us.We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. post a message again because sometimes our message system may block some emails. 2. If you are satisfied with our service, pls. kindly leave us a positive feedback and give us the Detailed Seller Rating with all "5 " in very area 3. 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