10 BEST COMPONENT TESTERS for sale in 2024 – compare between the best component testers on sale.

Rank Product Rating
1
Transistor Tester, DROK Mosfet Transistor Capacitor Tester, Mega328 NPN PNP Transistor Diode Resistor Inductor Capacitance MOS SCR ESR Meter Automatic Checker Detector
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189 Reviews
Product Highlights
  • ✔ WIDE APPLICATION: This multifunctional capacitance meter can be used to test triode, field-effect tube(FET), diode, resistor, capacitor, inductor, MOS, SCR, which is available for various electric transistor testing.
  • ✔ LARGE & CLEAR LCD DIGITAL DISPLAY: This amazing detector adopts 1.8" TFT color LCD screen with high-resolution. Besides, different parameter is shown with different color, convenient and simple for you to check the parameter.
  • ✔ AUTOMATICAL IDENTIFICATION: DROK intelligent transistor checker is able to detect NPN and PNP transistors, N-channel and P-channel MOSFET, diodes, thyristors, resistors, capacitors or other devices automatically.
  • ✔ BATTERY POWERED: This monitor is powered by DC9V battery (not included).

$29.99
2
KOOKYE Mega328 Transistor Tester Diode Triode Capacitance ESR Meter MOS/PNP/NPN L/C/R with Clear case
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58 Reviews
Product Highlights
  • LCD 12864 LCD display, with backlight , backlight color is generally yellow-green.How to adjust contrast brightness? Visit this link to watch video: https://youtu.be/wEnZgidk6lc
  • Automatic test the pin of a component, and display on the LCD
  • Resistance measurement resolution is 0.1 ohms , 50M ohms can be measured
  • Inductors, capacitors , diodes, dual diode , mos, transistor, SCR , the regulator, LED tube , ESR,

$14.97
3
LCR-TC1 Colorful Display Pocketable Multifunctional TFT Backlight Transistor Tester for Diode Triode Capacitor Resistor Transistor LCR ESR NPN PNP MOSFET
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Product Highlights
  • For detecting NPN and PNP transistor, capacitor, resistor, diode, triode, N-channel and P-channel MOSFET, IGBT, JFET, triac and battery, resistor and capacitor and other components, etc.
  • Put the pins of component in corresponding area, then dial the little handle and the detector will test it automatically, finally the results will display on the back light TFT screen clearly. ( Use 12864 liquid crystal display with green backlight).
  • After detection, align the infrared remote control with the "IR" light, then press the button in the remote control, if the detector successfully decode it, it will display the data code and infrared wave form.
  • Measurement results represent by TFT graphic display(160x128). Support Chinese and English.

$20.99
4
Longruner 1.8 inch Colorful Display Pocketable Multifunctional TFT Backlight Transistor LCR-TC1 Tester for Diode Triode Capacitor Resistor Transistor LCR ESR NPN PNP MOSFET (Multi Tester)
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43 Reviews
Product Highlights
  • For detecting NPN and PNP transistor, capacitor, resistor, diode, triode, N-channel and P-channel MOSFET, IGBT, JFET, triac and battery, resistor and capacitor and other components, etc.
  • Put the pins of component in corresponding area, then dial the little handle and the detector will test it automatically, finally the results will display on the back light TFT screen clearly. ( Use 12864 liquid crystal display with green backlight).
  • After detection, align the infrared remote control with the "IR" light, then press the button in the remote control, if the detector successfully decode it, it will display the data code and infrared wave form.
  • Measurement results represent by TFT graphic display(160x128). Support Chinese and English.

$31.99
5
LCR-T4 Mega328 Digital Transistor Tester Resistance Capacitance Diode Triode Capacitance Resistance ESR Meter MOS PNP NPN LCR with Case
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1 Reviews
Product Highlights
  • Test ranges:Inductors, capacitors , diodes, dual diode , mos, transistor, SCR , the regulator, LED tube, ESR, Resistance, Adjustable potentiometer
  • Can detect the transistor, MOSFET protection diode amplification coefficient and the base to determine the emitter transistor forward biased voltage.
  • High test speed, valid component test: 2 seconds (except in the larger capacitor of large capacitance measurement also takes a long time, the measured time of one minute is normal)
  • 128*64 big Backlight LCD display,only 2mA when stand by.

$12.39
6
KKmoon Component tester -GM328, KKmoon esr meter Tester Diode Capacitor ESR Voltage Frequency Meter PWM Square Wave Signal Generator transistor tester , Precision ABS (red)
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93 Reviews
Product Highlights
  • Main chip is the DIP, easy for electronic enthusiasts to DIY or update the main chip.Use 9V battery(not included), can also use DC power(DC 6.8-12V).Automatic shutdown, shutdown current is only about 20nA.Rotary switch control, a key measurement for convenient use.
  • Automatically detects NPN and PNP transistors, FET, diodes, dual diode, thyristor, SCR, automatic identification of the transistor pinout.Test NPN and PNP transistor common-emitter current amplification factor, the base-emitter threshold voltage, off the collector - emitter leakage current.
  • Support 2 resistors measurement, show its positive and negative, on-state voltage.Resistance measurement maximum resolution 0.01Ω, can be measured up to 50MΩ.
  • Measure FET gate threshold voltage and gate capacitance.Automatically test the pins of a component and show on the display.Digital LCD display for easy readings, can display measured data and graphics.

$27.99
7
XL Electronic Component Kit Assortment, Capacitors, Resistors, LED, Transistors, Diodes, Zener, Potentiometers, Cutter, LCR-T4 Component Tester, 1795 pcs
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22 Reviews
Product Highlights
  • 760 pcs Resistor, 380 pcs Capacitor, 170 pcs Transistor, 100 pcs Diode, 125 Zener Diode, 200 pcs 3mm 5mm LED, 9 pcs Potentiometer, 4 pcs PCB, 10 pcs Header, 10 pcs Terminal, 25 pcs Photoresistor, 1 Cutter
  • In this Assorted Kit each different component is packaged in a thick durable poly bag and each different type of component is labeled or stamped accordingly
  • Total 1795 pcs Components, includes 1 Component Tester (can test Resistors, Capacitors, Diodes, Transistors, Inductors, Triodes, Thyristors)
  • The Assortment comes in stable cardboard box

$49.90
8
LCR-T4 Mega328 Component Tester Transistor Tester Diode Triode Capacitance LCR ESR Meter Module MOS PNP/NPN M328(Battery Case with Shell)
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Product Highlights
  • ☀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
  • ☀This mega 328 tester can detect the transistor, MOSFET protection diode amplification coefficient and the base to determine the emitter transistor forward biased voltage
  • ☀Electronic component tester automaticly test the pin of a component, and display on the LCD
  • ☀Transistor tester measures the gate and gate capacitance of the MOSFET threshold voltage

$12.38
9
BSIDE ESR02 PRO Digital Transistor Tester SMD Components Meter Mega328 NPN/PNP Diode Triode Capacitor Inductance ESR Checker with Tweezers
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Product Highlights
  • [Wide Application]: It is very easy to test plug-in and SMD devices, it can also be used to test different kinds of triodes, thyristors, MOSFET, enable to analysis the device type, the polarity of the pin, the output HFE, the valve voltage, the junction capacitance of the FET.
  • [Automatical Identification]: Smart transistor checker is able to detect NPN and PNP transistors, N-channel and P-channel MOSFET, diodes, thyristors, resistors, capacitors or other devices automatically.
  • [2 POWER/TEST Button]: POWER/TEST button on both sides, you can operate it with your left or right hand.
  • [Typical ESR Value Table]: There is a table "typical ESR value of electrolytic capacitor" at the back, provide a clear indication that you can quickly understand and use it.

$35.58
10
Multifunction Meter DIY kit, ACEIRMC Mega 328 Graphic Transistor Tester, NPN PNP Diodes Triode Capacitor ESR SCR MOSFET Resistor Inductance LCD Display Checker with case
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Product Highlights
  • 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.Can detect the transistor, MOSFET protection diode amplification coefficient and the base to determine the emitter transistor forward biased voltage
  • 3.Can be in the correct order and the diode symbol display two diodes , and gives the diode forward voltage
  • 4. measure capacitanceCan measure capacitance of 30pF-100mF , resolution 1pF

$12.39

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