5 Best Transistor Testers
5 Best Transistor Testers
5 (100%) 2 vote[s]
Longruner 1.8 inch
Multi-function Tester, Longruner 1.8 inch
Display: 3.5 inch
Capacitance: 25pF-100mF
Inductance: 0.01mH-20H
DROK
Transistor Tester, DROK Mosfet Transistor Capacitor Tester
Transistors range: 2 or less
Resistors range: 0.5Ω - 50MΩ
Inductors range: 0.01mH - 20H
BSIDE ESR02
BSIDE ESR02 PRO Digital Transistor Tester SMD Components Meter Mega328 NPN/PNP
Resistor: 0 - 50MO
Capacitor: 25pF - 100mF
Capacitor ESR: 2uF - 50mF
KOOKYE Mega328
KOOKYE Mega328 Transistor Tester Diode Triode Capacitance
LCD with backlight
Capacitor: 25pf -100,000 uf
Inductors: 0.01mh-20H
LCR-T4 Mega328
LCR-T4 Mega328 Digital Transistor Tester Resistance
LCD (128 * 64 characters)
Shutdown Current: 20nA
Testing Speed: 2 seconds

Choose the Best Transistor Tester

Customer’s Choice: the Best Rated Transistor Testers

38 users answered this survey. Please help us improve this review!

65.79% of users selected Longruner 1.8 inch, 13.16% selected DROK, 5.26% selected BSIDE ESR02, 10.53% selected KOOKYE Mega328 and 5.26% selected LCR-T4 Mega328. Every month we analyze your answers and change our rating.

The computer instruments that are used to monitor the electrical activity of transistors and decent diodes are transistor testers. The evaluation relies on the real-time mode that is the mixture of two back-to-back diodes that may be found to be a bipolar transistor.You may save time and less work by applying a transistor tester. Only placed the legs of the transistor in the hole and let yourself read the display on the screen. It could be a value or a warning. As this computer is not pricey, it could be a nice investment in your digital lab to have one machine.

Check top 5 transistor testers gathered from the U.S. market. Bear in mind that a transistor tester never comes alone, it comes with a few specs you may compare in the table below. Also, read the buyer’s guide and you will get useful tips.

Longruner Multi-function Tester – the best for display!

Multi-function Tester, Longruner 1.8 inch Colorful DisplayThis tester senses the part pins in the corresponding holes, then dial the tiny grip and the device will start running and automatically measure it, and eventually the findings will be clearly shown on the TFT panel. It features English and Chinese language support.

If the tester is not required at a certain period, the auto-shutdown feature saves resources in conditions or situations. To switch the detector off, click the multi-functional key.
In addition to the transistor, resistor, triac, diode, triode capacitor, as well as other elements may also be checked.

Pros

  • Small;
  • Bright display;
  • Accurate;
  • Sophisticated design;
  • One-key use;
  • Auto shutdown;

Cons

  • The battery drains quickly;
  • Can be hard to handle for newbies;

The better option for the product above is the Longruner TC1 tool. It’s a little pricey, but worth the investment.


DROK Transistor Tester – the best for wide application!

Transistor Tester, DROK Mosfet Transistor Capacitor TesterDROK is a common ESR meter that offers numerous capabilities. Thanks to its various features, it is a commonly popular product. This DROK meter often tests SCR, capacitor, FET, resistor ratings, diode, etc., apart from its ESR capacity.

With a DC9V pack, you can fuel this DROK meter. However, because it’s not accessible upon purchase, you have to provide it on your own. For NPN and PNP transistors, P-channel, MOSFET, N-channel, and more, this versatile device comes with smart detection.

This sophisticated DROK meter comes with a clever auto-shutdown feature. And if you fail to shut this system down, it’ll shut down automatically. The auto shutdown count can also be changed, except in most of the meters, you will not notice this option.

Pros

  • A clear LCD;
  • Customizable;
  • Many features;
  • A good battery life;
  • Versatile;

Cons

  • A bit complicated to apply;
  • Battery is not included;

The biggest advantage is that you may position any component in this device in almost any orientation. It will detect the component form automatically and record the correct measurement. This is a great small tool for the price.


BSIDE ESR02 PRO Digital Transistor Tester– the best for beginners!

BSIDE ESR02 PRO Digital Transistor Tester SMD Components Meter Mega328 NPN/PNPThe BSIDE ESR02 transistor tester comes with tweezers to make it easier to use for beginners. In comparison, the ESR02 tool is one of the affordable multifunction meters. Beautiful reflections and efficient reading are intriguing. With the multifunction meter, you can notice a user manual.

At recommended uptime, the DC voltage level drives this meter to the converter that uses 9 V-12 V. The 9v6 lr61 battery must be regulated when a battery voltage of less than 6 V is recommended to adjust or charge the battery.

The test period is around 2 seconds, testing capability or installation, but may lead to a longer time period.

Pros

  • Budget-friendly;
  • Good for beginners;
  • Many automatic settings;
  • Versatile;
  • The power/test button;

Cons

  • The build quality is average;
  • Batteries are not included;

It seems this tester is reasonably accurate. The tool makes it easy to double-check the values. The system appears to be durable enough to replace it in the end, however, inexpensive enough.


KOOKYE Mega328 Transistor Tester– the best for the price!

KOOKYE Mega328 Transistor Tester Diode Triode CapacitanceThe KOOKYE Mega328 transistor tester is a very useful tool for its cost. For instance, you may use this tester for the same Arduino processor.

It works just as defined, really clear and intuitive. Installing the board into the case without complications takes only a couple of minutes. A basic control switch is included in the appliance. As well as the panel and the charger, the case configuration covers the circuit board.

It can’t fully substitute an ESR meter, but it does this well with minimal ESR skills, too.

Pros

  • Easy to set up;
  • Works accurately;
  • Good build quality;

Cons

  • A bit dim display;
  • Poor contrast;
  • The view angle is not straight;

This is a nice option on the workbench to use. A great, fast, extremely detailed way to classify parts that may not be marked. Prior to testing, meet the directions and remove capacitors.


Aitrip LCR-T4 Mega328 Digital Transistor Tester– the best for quick performance!

LCR-T4 Mega328 Digital Transistor Tester ResistanceThe Aitrip LCR-T4 Mega328 tester comes with a sturdy case to store all the components that are supplied unassembled.

It works quickly – the high-test speed is about 2 seconds. To prevent excessive wasting, conserve battery power, boost battery efficiency, there is an auto power off feature.

Pros

  • Auto power off;
  • Easy to calibrate;
  • Works quickly;
  • Handy;

Cons

  • The contrast can’t be adjusted;
  • Comes unassembled;
  • A flimsy case;
  • Comes without instructions;

One of the most reliable and fastest transistor testers in the U.S. market nowadays. However, you should have the solid technical knowledge to use all the features properly.


The Buyer’s Guide

It can be a little challenging to select a transistor tester since some of these instruments cost as little as $10, while others may be very pricey, perhaps ten times that. Before purchasing one, it is important to have a clear look and due consideration about what is required and what the actual criteria for the transistor testers are. Through doing so, the right transistor testers may be bought for whatever the condition is.

Application

Check if for any particular project the transistor tester is to be picked for home as a hobby usage or more exacting technical use. It is unlikely to need a high degree of robustness, accuracy, performance, battery pacing, and durability as that used for commercial or technical usage if it is to be applied for home/hobby purposes. Between the prices of the simple level testers and those required for specialized use, there is a significant gap.

Quality

It is vital to provide a high-quality transistor tester, however, consumers need to ensure that they get the right transistor tester at the proper cost. No matter how many times you take them, these transistor testers have accurate values of the parts. It makes it easy for you to recognize the damaged element, etc.

Is it good for entry-level users?

Users should still remember the transistor testers must be simple to apply until they purchase, so they ought to learn about the use of various testers and the fundamentals of their activity.

Video Tutorial: BSIDE ESR02 Pro LCR Multimeter & Teardown!

Final thoughts 

So now you know a few best transistor testers you may buy online. How do you use them and what features do you appreciate the most? Feel free to comment and review the testers that you typically use. 


Hi! My name is Tom and I’m an author of the blog. My hobby is electronic circuits and soldering irons.

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