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Mega328 Transistor Tester Diode Triode Capacitance ESR Meter MOS PNP/NPN L/C/R Features: 1.2013 latest M328 version of the software,more functions.Chip: ... moreAtmega328 2.128*64 big Backlight LCD display.Only 2mA when stand by. 3.Using 9V battery(Not included) Test ranges: Inductors. Capacitors, diodes, dual diode, mos, transistor, SCR, the regulator, LED tube, ESR, Resistance.Adjustable potentiometer Resistance:0.1 ohm resolution. Maximum 50M ohm Capacitor:25pf-100.000 uf Inductors: 0.01mh-20H NEW Function: 1:Automatic detection of NPN and PNP transistors. N-channel and p-channel MOSFET, diode(including double diode) thyristor, transistor, resistor and capacitor and other components 2: Automatic test the pin of a component. And display on the LCD 3:Can detect the transistor. MOSFET protection diode amplification coefficient and the base to determine the emitter transistor forward biased voltage 4: Measure the gate and gate capacitance of the MOSFET threshold voltage 5:Use 12864 liquid crystal display with green backlight Specifications: For you reference 1.One-button operation, automatic shutdown. 2.Only 20nA shutdown current. 3.Automatically detect NPN, PNP bipolar transistors, N-channel and P-channel MOS FET, JFET, diodes, two diodes, thyristors small power unidirectional and bidirectional thyristor. 4.Automatic identification components pin arrangement. 5.Measuring bipolar transistor current amplification factor and base- emitter threshold voltage. 6.Via the base- emitter threshold voltage and high current amplification factor to identify Darlington transistors. 7.Can detect bipolar transistors and MOS transistors protection diodes. 8.Measuring the gate MOS FET threshold voltage and the gate capacitance. 9.Can simultaneously measure two resistors and resistor symbol is displayed. Displayed on the right with a decimal value of 4. Resistance symbol on both sides shows the pin number. So you can measure the potentiometer. If the potentiometer wiper is not transferred to an extreme position, w
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www 100% brand new Universal electronic components tester. Transistor, MOSFET, diode, resistor, capacitor, ESR, inductor Description: This tester can ... moremeasure transistor. MOSFET, diode, resistor, capacitor, inductor and also the ESR of the capacitor One tester save all measuring solutions This version is mini LCD. If you need a larger LCD, it is. The spec is the same 1.2014 latest M328 version of the software,more functions.Chip: Atmega328 2.128*64 big Backlight LCD display.Only 2mA when stand by. 3 Power using 9V DC or 9V battery(Not inlcuded) NEW Function: 1: Automatic detection of NPN and PNP transistors. N-channel and p-channel MOSFET, diode(including double diode) thyristor, transistor, resistor and capacitor and other components 2: Automatic test the pin of a component. And display on the LCD 3: Can detect the transistor. MOSFET protection diode amplification coefficient and the base to determine the emitter transistor forward biased voltage 4: Measure the gate and gate capacitance of the MOSFET threshold voltage 5:Use 12864 liquid crystal display with green backlight Size:140*90*55MM Specifications: For you reference 1.One-button operation, automatic shutdown. 2.Only 20nA shutdown current. 3.A utomatically detect NPN. PNP bipolar transistors, N-channel and P-channel MOS FET, JFET, diodes, two diodes, thyristors small power unidirectional and bidirectional thyristor. 4.Automatic identification components pin arrangement. 5.Measuring bipolar transistor current amplification factor and base- emitter threshold voltage. 6.Via the base- emitter threshold voltage and high current amplification factor to identify Darlington transistors. 7.Can detect bipolar transistors and MOS transistors protection diodes. 8.Measuring the gate MOS FET threshold voltage and the gate capacitance. 9.Can simultaneously measure two resistors and resistor symbol is displayed. Displayed on the right with a decimal value of 4. Resistance symbol on both sides shows the pin number. So you can measure the potentiometer. If
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LCR-T4 ESR Meter LCR led Transistor Tester Diode Triode Capacitance MOS PNP/NPN Features: Powered by 9V layer-built battery. Can use 2 li-ion batteries ... moreto form a 8.4V battery pack for long time power. Measuring bipolar transistor current amplification factor and base-emitter threshold voltage. Automatic test the pin of a component. And display on the 128* 64 LCD backlight. Measure the gate and gate capacitance of the MOSFET threshold voltage. One-button operation. Automatic shutdown, only 20nA shutdown current. Eeverse breakdown voltage is less than 4.5V. Zener diode can be identified. 2uF more capacitors can simultaneously measure the equivalent series resistance ESR values. Via the base- emitter threshold voltage and high current amplification factor to identify Darlington transistors. Can simultaneously measure two resistors and resistor symbol is displayed. Displayed on the right with a decimal value of 4. Can detect the transistor. MOSFET protection diode amplification coefficient and the base to determine the emitter transistor forward biased voltage. Automatic detection of NPN and PNP transistors. N-channel and p-channel MOSFET, diode(including double diode) thyristor, transistor, resistor and capacitor and other components. Specifications: Material: PCB Power Mode: 6F22 Display: 128* 64 LCD backlight Testing Speed: 2 seconds(1 minute is normal for large capacitor) Shutdown Current: 20nA Displayed Value: 25pf-100mF(resolution 1pF) Inductance: 0.01mH-20H Resistance: ≤2100Ω Power Volatge: 9V layer-built battery/ 2 li-ion batteries to form a 8.4V battery pack Resolution of Resistance Measurement: 0.1 ohms The Highest Measured Value: 50M ohms Provided Testing Current: Approx. 6mA Product Size: 7* 6.3cm/ 2.76* 2.48in(L* W) Product Weight: 44g/ 1.55oz Package Size: 8* 8* 2cm/ 3.15* 3.15* 0.79in(L* W* H) Package Weight: 45g/ 1.58oz Package List: H11886 1* ESR Meter Transistor Tester. On Oct-10-14 at 03:44:12 PDT. Seller added the following information:
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MESR-100 V2 ESR/LOW Ohm In Circuit testing Capacitor meter include SMD Clip Probe with LCD Display Features: JINGYAN MESR-100 V2 Auto-ranging capacitor ... moreESR and Low Ohm Meter Measuring range from 0.001 to 100.0R. Support IN CIRCUIT Testing. Using true 100 KHz sine wave to measure the ESR value. Which is equal to the testing method of capacitor manufacturer. In the market. There is some technique using short pulse method to testing, but the value will be varying vs the capacitance and sometimes reading is different from the manufacturer's value. What is ESR of capacitor? There is a series resistor inside capacitor. Using 100kHz to remove the impedance 1/2*pi*F*C) the impedance become small, and we can then measure the true series resistor value. A bad E-capacitor will have larger ESR and create large ripple rather than filtering noise. Normally. A big capacitor is larger than 3 ohm. Using this theory. We can measure the capacitor is bad/ damaged or good in condition. Because our ESR meter only applies less than 15mV DC or peak to peak on a good capacitor. As a result we can use it as in circuit test. Because this low testing voltage, it cannot turn on the semiconductor inside a circuit under testing. During repairing TV. LCD, Audio board, etc. we can in circuit testing the capacitor is good or not. Dual terminal. For fast and easy inspect general capacitor or resistor, a printed ESR table for fast check Compare MESR100 old V1 and new V2 Improvement: 1) Change square wave to sine wave 100 KHz. Reduce square wave’s high frequency component, and affect the reading passing the test leads and capacitor. 2) Higher Resolution up to 0.001 ohm. 3) 128X64 dot matrix LCD. With more larger value display and information 4) Embedded 25V capacitor table at LCD. Auto display the capacitor is good or bad reference to common 25V electrolytic capacitor. 5) New plastic case. Curve design for hand carrying. New stand for 60 degree stand on desk. 6) Use 2X AA battery. More convenience and longer battery life than 9V battery. 7) Supp
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