FNIRSI Handheld Digital Oscilloscope
Diagnose unstable circuits without hauling heavy gear. The DSO-TC4 handheld oscilloscope locks onto signals in seconds using 10MHz bandwidth and 48MSa/s sampling. Built-in generators and transistor tests fit in your palm for accurate daily field use.
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FNIRSI DSO-TC4 Handheld Digital Oscilloscope with DDS Signal Generator and Component Tester
Key Features
A bright 2.8-inch TFT color screen keeps waveforms clear outdoors.
Built-in 1500mAh battery provides reliable daytime power on job sites.
Type-C charging matches your existing cables for quick top-ups.
Tri-mode switching toggles instantly between scope, generator, and tester.
Product Description
The DSO-TC4 combines three essential instruments into one lightweight frame. You get real-time voltage visualization alongside built-in signal generation and transistor analysis. The device captures AC and DC signals with automatic readouts for frequency, duty cycle, and RMS values. High-concerned chemicals are absent, and the unit meets CE, RoHS, and WEEE standards for safe workshop handling.
Product Overview
This handheld powerhouse replaces bulky meter boxes for mobile technicians. Field engineers use it for rapid prototype validation. Makers rely on it for weekend electronics projects. The slim chassis slides effortlessly into any tool bag.
Key Benefits
You stop carrying separate test leads and bulky meters to remote sites.
Circuit diagnosis speeds up because waveforms freeze automatically during unstable readings.
Component selection becomes faster thanks to instant pinout identification on unmarked ICs.
Features
Vertical sensitivity ranges from 10mV to 10V per division for precise low-voltage tracing.
Time bases scale accurately from 50ns up to 20s for detailed timing analysis.
Generator outputs 13 distinct waveforms with adjustable frequencies from 0 to 50KHz.
Input impedance sits firmly at 1MΩ to prevent circuit loading during sensitive checks.
Specifications
Battery capacity measures 3.7 volts at 1500mAh.
Physical dimensions approximate 90 by 142 millimeters.
Total weight registers near 186 grams without probes.
Sampling rate reaches 48 megasamples per second continuously.
What’s Included
DSO-TC4 host unit arrives fully assembled for immediate testing.
P6100 oscilloscope probe covers standard high-voltage signal capture.
Three test hooks and one alligator clip probe handle delicate board work.
Data cable and wall adapter ensure ready USB integration for firmware updates.
What’s Included
User manual outlines language settings across eight global regions.
Protective packaging box keeps accessories organized during travel.
How to Use
Connect your ground lead first to establish a stable reference point.
Touch the signal line to a test pad or component leg.
Adjust the vertical knob until the trace centers on the grid.
Select AUTO triggers for automatic waveform locking during live adjustments.
Customer Benefits
You save valuable service time by skipping manual calibration steps.
Clear multi-language menus eliminate confusing translation barriers during urgent fixes.
Adjustable display brightness reduces eye strain under harsh shop lighting.
Ideal Uses
Automotive technicians scan engine control modules for intermittent faults.
Audio engineers align amplifier stages without dragging heavy rack gear.
Makers verify sensor outputs before soldering permanent connections.
Who It’s For
Field service professionals require pocket-sized diagnostic depth.
Hobbyists building custom circuits demand versatile signal control.
Educators demonstrate theoretical voltage behavior safely in classrooms.
5 Frequently Asked Questions
Q: Can this model replace my entire bench station?
A: It excels at routine checks and mobility tasks rather than high-frequency lab work.
Q: Does the generator output pure sine waves?
A: It produces square, triangle, sawtooth, pulse, noise, and other standard shapes up to 50KHz.
Q: Is the screen touch-enabled?
Q: How long does the warranty last?
Q: Can it measure AC mains directly?
Grab this precision tool today and turn scattered workbenches into streamlined repair stations. Your next circuit fix will land right where you need it.
