FNIRSI DSO TC3 Digital Oscilloscope Transistor Tester

FNIRSI DSO TC3 Digital Oscilloscope Transistor Tester

The FNIRSI DSO TC3 Digital Oscilloscope Transistor Tester Function Signal Generator is a versatile and multifunctional electronic component tester that is ideal for both hobbyists and professionals. With its powerful features and intuitive interface, this device is perfect for a wide range of applications, including testing electronic circuits, troubleshooting problems, and more.

FNIRSI DSO-TC3 Digital Oscilloscope Transistor Tester

One of the standout features of the FNIRSI DSO TC3 is its high-quality digital oscilloscope. With its 2.4-inch color display and 320 x 240-pixel resolution, this oscilloscope is capable of capturing and displaying even the most complex waveforms with exceptional clarity and precision. It also features a range of advanced settings and functions, such as auto measurement, signal generator output, and more, making it an essential tool for any electronics enthusiast.

Another important feature of the FNIRSI DSO TC3 is its built-in transistor tester. This function allows the user to quickly and accurately test a wide range of different transistors, including NPN, PNP, MOSFET, JFET, and more. It also features an automatic detection function that makes it easy to identify the pinout of the device under test, saving the user time and effort in the testing process.

The FNIRSI DSO TC3 also comes equipped with a powerful signal generator function. This feature allows the user to generate a variety of different signals, including sine, square, triangle, and sawtooth waves, as well as custom waveforms. With a frequency range of 1Hz to 200kHz, this signal generator is ideal for a wide range of applications, including audio testing, sensor testing, and more.

In addition to these features, the FNIRSI DSO TC3 also comes with a range of other useful functions and settings, including voltage measurement, frequency measurement, duty cycle measurement, and more. It also features a compact and durable design, making it easy to take on the go and use in a variety of different environments.

Main Features:

  ● 3 In 1 Function: This product integrates digital oscilloscope, transistor tester, and signal generator functions into one machine.

  ● Digital Oscilloscope Function: With a real-time sampling rate of 10MS/s and bandwidth of 500Khz. Support maximum measurement of the 400V voltage signal. With complete trigger function (automatic, single, regular). Equipped with an efficient button AUTO.

  ● Transistor Tester Function: Automatically identify and measure various transistors, including NPN and PNP triode, N-channel and P-channel metal-oxide-semiconductor field effect transistor, JFET, diodes, double diodes, thyristors, as well as resistors, inductors, capacitors, field-effect transistor, etc. passive component. Automatic detection of pin definitions.

  ● Signal Generator Function: 6 kinds of signal waveforms: sinewave, pulse wave, triangle wave, ramp wave, and direct current. 1-100KHz adjustable output frequency. 3.3V adjustable output voltage. 0-100% adjustable output duty ratio.

  ● Tool Box Function: Automatically analyze specific Protocol infrared code. Other function modes: include circuit continuity test, 0-40V input voltage measurement, PWM output, 0-32V diode measurement, temperature, and humidity sensors measurement, etc.

  ● 2.4inch Digital TFT Display: TFT color screen, high-resolution display with LED backlight, with bright colors and high contrast.

  ● High Accuracy: Infrared decoding design, quick response, accurate capture of a highly sensitive response signal, fast and accurate measurement with small error.

 ● Rich and Powerful Features: One button for automatic adjustment, support for the free switch, and support for intelligent fire prevention.

 ●Long Endurance: Built-in 1500mAh high-capacity rechargeable polymer lithium battery, long-lasting lifespan, Type-C interface, continuous power supplies without an isolation transformer, safer to use.

  ● Folding Bracket: Comes with an invisible bracket, integrated folding, stable placement, frees your hands, and does not occupy too much space.

 ●Wide Applications: Suitable for MCU debugging, car repairing, home appliance repairing, DIY electronic competition, power-supply debugging, inverter, etc.


  • Name: 3in1 Digital Oscilloscope
  • Material: ABS
  • Display: 2.4 inches TFT color screen
  • Battery: Built-in 1500mah rechargeable lithium battery (included)
  • Charging interface: USB Type-C, +5V
  • Digital Oscilloscope: 10MSa/s
  • Real-time sample rate: 500Khz
  • Analog Bandwidth: 1ΜΩ
  • Input resistance: Alternating Current/Direct Current
  • Coupling method: 400V
  • Test voltage ranges: 10mV-10V
  • Vertical Sensitivity (x1): 1us-10s
  • Horizontal time base ranges:
  • Trigger mode: Auto / Normal / Single
  • Trigger type: Rising edges / Falling edges
  • Waveform Freeze: Yes
  • Automatic measurement: Yes
  • Transistor Tester:
  • Capacitor: 25pF~100mF
  • Resistor: 0.01Ω ~ 50ΜΩ
  • Inductor: 10uH~1000uH
  • Battery: 0.1~4.5V
  • Input voltage: 0~40V
  • DS18B20: 0-85℃
  • DHT1: 0-60°C/5-95%
  • Signal Generator:
  • Sinewave: 1-10KHz/0-3.3V/50%
  • SQW: 1-100KHz/3.3V/50%
  • Pulsewave: 1-100KHz/3.3V/0-100%
  • Triangle wave: 1-10KHz/0-3.3V/50%
  • Ramp: 1-10KHz/0-3.3V/0-100%
  • Direct current: 0-3.3V
  • Item size: 110 * 76 * 30mm / 4.33 * 2.99 * 1.18in
  • Package size: 140 * 125 * 55mm / 5.51 * 4.92 * 2.17in
  • Package Weight: Standard configuration: 300g / 10.58ounce, High configuration: 345g / 12.17ounce

Overall, the FNIRSI DSO TC3 Digital Oscilloscope Transistor Tester Function Signal Generator is an excellent choice for anyone looking for a versatile and powerful electronic component tester. With its advanced features and intuitive interface, this device is sure to provide the user with accurate and reliable results, making it an essential tool for any electronics enthusiast or professional.

Buy FNIRSI DSO TC3 Digital Oscilloscope Transistor Tester from Banggood now for only $46,99

FNIRSI DSO-TC3 Digital Oscilloscope Transistor Tester Function Signal Generator 3 in 1 Multifunction Electronic Component Tester

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